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AVO STAFF DIRECTORY
AVO is a very extended family. Some people work full time for the observatory, others well under half time. Others perform essential work, but only draw operating expenses. Several agencies contribute personnel at several locations. A wide variety of disciplines are represented, including geophysics, geology, glaciology, hydrology, geochemistry, remote sensing, computing, electronics, and administration. The following people are the paid staff, and share among themselves about 22 Full Time Equivalent positions.

[List staff by discipline] [List staff alphabetically] [List staff by office location]
* When listing staff by discipline, some individuals may be listed more than once.

John Power
Department: Alaska Volcano Observatory
Website: https://www.usgs.gov/staff-pro
files/john-a-power
Address: Anchorage, AK 99508
Discipline(s):Seismology
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Volcano Seismology, Eruption Forecasting, Volcano Geodesy.


Orr, T.R., Cameron, C.E., Dietterich, H.R., Dixon, J.P., Enders, M.L., Grapenthin, R., Iezzi, A.M., Loewen, M.W., Power, J.A., Searcy, C., Tepp, G., Toney, L., Waythomas, C.F., and Wech, A.G., 2023, 2019 Volcanic activity in Alaska - Summary of events and response of the Alaska Volcano Observatory: U.S. Geological Survey Scientific Investigations Report 2023-5039, 64 p., https://doi.org/10.3133/sir20235039.
http://dx.doi.org/10.3133/sir20235039
Download PDF Full-text PDF : 14.3 MB


Cameron, C.E., Orr, T.R., Dixon, J.P., Dietterich, H.R., Waythomas, C.F., Iezzi, A.M., Power, J.A., Searcy, C., Grapenthin, R., Tepp, G., Wallace, K.L., Lopez, T.M., Degrandpre, K., and Perreault, J.M., 2023, 2018 Volcanic activity in Alaska - Summary of events and response of the Alaska Volcano Observatory: U.S. Geological Survey Scientific Investigations Report 2023-5029, 68 p., https://doi.org/10.3133/sir20235029.
http://dx.doi.org/10.3133/sir20235029
Download PDF Full-text PDF : 35.5 MB


Lally, K.F., Caplan-Auerbach, J., and Power, J.A., 2023, Volcanic and Tectonic Sources of Seismicity Near the Tanaga Volcanic Cluster, Alaska: Geochemistry, Geophysics, Geosystems v. 24, article no. e2023GC010891, 19 p. https://doi.org/10.1029/2023GC010891.
http://dx.doi.org/10.1029/2023GC010891


Dixon, J.P., and Power, J.A., 2022, Alaska Volcano Observatory archive of seismic drum records of eruptions of Augustine Volcano (1986), Redoubt Volcano (1989-90), Mount Spurr (1992), and Pavlof Volcano (1996), and the 1996 earthquake swarm at Akutan Peak: U.S. Geological Survey Data Report 1146, 10 p., https://doi.org/10.3133/dr1146.
http://dx.doi.org/10.3133/dr1146
Download publication on USGS website


Lanza, F., Roman, D.C., Power, J.A., Thurber, C.H., and Hudson, T., 2022, Complex magma-tectonic interactions during the 2020 Makushin Volcano, Alaska earthquake swarm: Earth and Planetary Science Letters, v. 587, https://doi.org/10.1016/j.epsl.2022.117538.
http://dx.doi.org/10.1016/j.epsl.2022.117538


Yan Zhan, Roman, D.C., Le Mevel, Helene, and Power, J.A., 2022, Earthquakes indicated stress field change during the 2006 unrest of Augustine Volcano, Alaska: Geophysical Research Letters, v. 49, no. 10, p. 13, https://doi.org/10.1029/2022GL097958.
http://dx.doi.org/10.1029/2022GL097958


Power, J.A., Roman, D.C., Lyons, J.J., Haney, M.M., Rasmussen, D.J., Plank, Terry, Nicolaysen, K.P., Izbekov, Pavel, Werner, Cynthia, Kaufman, A.M., 2021, Volcanic seismicity beneath Chuginadak Island, Alaska (Cleveland and Tana volcanoes): implications for magma dynamics and eruption forecasting: Journal of Volcanology and Geothermal Research, v. 412, no.107182, 18 p., 10.1016/j.jvolgeores.2021.107182.
http://dx.doi.org/10.1016/j.jvolgeores.2021.107182
Download PDF Full Text PDF : 7.3Mb


Power, J.A., Haney, M.M., Botnick, S.M., Dixon, J.P., Fee, David, Kaufman, A.M., Ketner, D.M., Lyons, J.J., Parker, Tom, Paskievitch, J.F., Read, C.W., Searcy, Cheryl, Stihler, S.D., Tepp, Gabrielle, and Wech, A.G., 2020, Goals and development of the Alaska Volcano Observatory seismic network and application to forecasting and detecting volcanic eruptions: Seismological Research Letters, doi: 10.1785/0220190216 .
http://dx.doi.org/10.1785/0220190216


Lanza, Federica, Thurber, C.H., Syracuse, E.M., Power, J.A., and Ghosh, Abhijit, 2020, Seismic tomography of compressional wave velocity and attenuation structure for Makushin Volcano, Alaska: Journal of Volcanology and Geothermal Research, doi:10.1016/j.jvolgeores.2020.106804
http://dx.doi.org/10.1016/j.jvolgeores.2020.106804


Searcy, Cheryl, and Power, J.A., 2020, Seismic character and progression of explosive activity during the 2016-2017 eruption of Bogoslof volcano, Alaska: Bulletin of Volcanology, n. 82, doi: https://doi.org/10.1007/s00445-019-1343-4.
http://dx.doi.org/10.1007/s00445-019-1343-4


Dixon, J.P., Cameron, C.E., Iezzi, A.M., Power, J.A., Wallace, K., and Waythomas, C.F., 2020, 2017 Volcanic activity in Alaska-Summary of events and response of the Alaska Volcano Observatory: U.S. Geological Survey Scientific Investigations Report 2020-5102, 61 p., https://doi.org/10.3133/sir20205102.
http://dx.doi.org/10.3133/sir20205102
Download publication on USGS website


Portner, D.E., Wagner, L.S., Janiszewski, H.A., Roman, D.C., and Power, J.A., 2020, Ps-P tomography of a midcrustal magma reservoir beneath Cleveland volcano, Alaska: Geophysical Research Letters, v. 47, article no. e2020GL090406, 10 p., https://doi.org/10.1029/2020GL090406.
http://dx.doi.org/10.1029/2020GL090406


Werner, Cindy, Rasmussen, D. J., Plank, Terry, Kelly, P. J., Kern, Christoph, Lopez, Taryn, Gliss, Jonas, Power, J.A., Roman, D.C., Izbekov, Pavel, and Lyons, John, 2020, Linking subsurface to surface using gas emission and melt inclusion data at Mount Cleveland volcano, Alaska: Geochemistry, Geophysics, Geosystems, v. 125, article no. e2019GC008882, 33 p. https://doi.org/10.1029/2019GC008882.
http://dx.doi.org/10.1029/2019GC008882


Dixon, J.P., Stihler S.D., Haney, M.M., Lyons, J.J., Ketner, D.M., Mulliken, K.M., Parker, T., and Power, J.A., 2019, Catalog of earthquake parameters and description of seismograph and infrasound stations at Alaskan volcanoes - January 1, 2013, through December 31, 2017: U.S. Geological Survey Data Series 1115, 92 p., https://doi.org/10.3133/ds1115.
http://dx.doi.org/10.3133/ds1115
Download link to pub on USGS website


Power, J.A., Friberg, P.A., Haney, M.M., Parker, T., Stihler, S.D., and Dixon, J.P., 2019, A unified catalog of earthquake hypocenters and magnitudes at volcanoes in Alaska—1989 to 2018: U.S. Geological Survey Scientific Investigations Report 2019–5037, 17 p., https://doi.org/10.3133/sir20195037.
http://dx.doi.org/10.3133/sir20195037
Download publication on USGS website


Rasmussen, D.J., Plank, T.P., Roman, D.C., Power, J.A., Bodnar, R.J., and Hauri, E.H., 2018, When does eruption run-up begin? Multidisciplinary insight from the 1999 eruption of Shishaldin volcano: Earth and Planetary Science Letters, v. 486, 14, p., https://doi.org/10.1016/j.epsl.2018.01.001.
http://dx.doi.org/10.1016/j.epsl.2018.01.001


Power, J.A., and Cameron, C.E., 2018, Analysis of the Alaska Volcano Observatory's response time to volcanic explosions - 1989 to 2016: Frontiers in Earth Science, v. 6, https://doi.org/10.3389/feart.2018.00072 .
http://dx.doi.org/10.3389/feart.2018.00072
Download open access article on publisher website


Cameron, C.E., Prejean, S.G., Coombs, M.L., Wallace, K.L., Power, J.A., and Roman, D.C., 2018, Alaska Volcano Observatory Alert and Forecasting Timeliness: 1989-2017: Frontiers in Earth Science, v. 6, https://doi.org/10.3389/feart.2018.00086.
http://dx.doi.org/10.3389/feart.2018.00086
Download open-access full text on publisher website


Lu, Zhong, Dzurisin, Daniel, Wicks, Charles, Jr., and Power, John, 2015, Interferometric synthetic aperture radar (InSAR)-A long-term monitoring tool, chap. 8 of Dean, K.G., and Dehn, Jonathan, eds., Monitoring volcanoes in the North Pacific-Observations from space: Berlin, Springer, p. 235-260.


citation imageKetner, Dane, and Power, John, 2013, Characterization of seismic events during the 2009 eruption of Redoubt Volcano, Alaska: Journal of Volcanology and Geothermal Research, v. 259, p. 45-62, doi:10.1016/j.jvolgeores.2012.10.007
http://dx.doi.org/10.1016/j.jvolgeores.2012.10.007
Download PDF full-text pdf : 8.9 MB


citation imagePower, J.A., Stihler, S.D., Chouet, B.A., Haney, M.M., and Ketner, D.M., 2013, Seismic observations of Redoubt Volcano, Alaska - 1989-2010 and a conceptual model of the Redoubt magmatic system: Journal of Volcanology and Geothermal Research, v. 259, p. 31-44, doi:10.1016/j.jvolgeores.2012.09.014
http://dx.doi.org/10.1016/j.jvolgeores.2012.09.014
Download PDF full-text pdf : 3.8 MB


citation imageHaney, M.M., Chouet, B.A., Dawson, P.B., and Power, J.A., 2013, Source characterization for an explosion during the 2009 eruption of Redoubt Volcano from very-long-period seismic waves: Journal of Volcanology and Geothermal Research, v. 259, p. 77-88, doi:10.1016/j.jvolgeores.2012.04.018
http://dx.doi.org/10.1016/j.jvolgeores.2012.04.018
Download PDF full-text pdf : 3 MB


citation imageDixon, J.P., Stihler, S.D, Power, J.A., Haney, Matt, Parker, Tom, Searcy, C.K., and Prejean, Stephanie, 2013, Catalog of earthquake hypocenters at Alaskan volcanoes: January 1 through December 31, 2012: U.S. Geological Survey Data Series 789, 84 p., available at http://pubs.usgs.gov/ds/789/ .
Download link to publication on USGS website
Download PDF full-text pdf : 6.5 MB


Schaefer, J.R., ed., 2012, The 2009 eruption of Redoubt Volcano, Alaska, with contributions by Bull, Katharine, Cameron, Cheryl, Coombs, Michelle, Diefenbach, Angie, Lopez, Taryn, McNutt, Steve, Neal, Christina, Payne, Allison, Power, John, Schneider, Dave, Scott, William, Snedigar, Seth, Thompson, Glenn, Wallace, Kristi, Waythomas, Chris, Webley, Peter, and Werner, Cynthia: Alaska Division of Geological & Geophysical Surveys Report of Investigation 2011-5, 45 p., available at http://www.dggs.alaska.gov/pubs/id/23123.
Download link to PDF on ADGGS website


Winfree, Robert, with contributions from Bacon, C.R., Bennett, A.J., Bennington, Ninfa, Berg, E.E., Brooks, Margi, Coletti, H.A., Coombs, M.L., Fierstein, Judy, Freeburg, Gary, Frost, G.V., Haney, Matthew, Jorgenson, M.T., Miller, A.E., Moran, Seth, Murphy, Rachel, Partnow, Patricia, Paskievitch, John, Stevens, D.P., Powell, Lee, Power, John, Prejean, S.G., Schaaf, Jeanne, Sherriff, R.L., Thurber, Clifford, and Welchman, R.A., 2012, Katmai science studies: Alaska Park Science Journal, v. 11, n. 1, 96 p., available online at http://www.nps.gov/akso/nature/science/ak_park_science/volume_11_issue_1.cfm .
Download link to NPS website with full PDFs


Prejean, Stephanie, Moran, Seth, and Power, John, 2012, Volcanic earthquakes in Alaska's National Parks: in Winfree, Robert (project lead), Katmai Science Studies: Alaska Park Science Journal, v. 11, n. 1, p. 40-45, available online at http://www.nps.gov/akso/nature/science/ak_park_science/volume_11_issue_1.cfm .
Download link to PDF on NPS website


citation imageO'Brien, J.F., Roman, D.C., Dixon, J.P., Power, J.A., and Arnold, Richard, 2012, Multiple causes for non-eruptive seismic swarms at Mt. Martin, Katmai Volcanic Cluster, Alaska (2004-2008): Journal of Volcanology and Geothermal Research, v. 229-230, p. 13-22, doi: 10.1016/j.volgeores.2012.03.011.
http://dx.doi.org/10.1016/j.volgeores.2012.03.011


Dixon, J.P., Stihler, S.D., Power, J.A., and Searcy, C.K., 2012, Catalog of earthquake hypocenters at Alaskan volcanoes: January 1 through December 31, 2011: U.S. Geological Survey Data Series 730, 82 p., available online at http://pubs.usgs.gov/ds/730/pdf/ds730.pdf .
Download PDF PDF and data files on USGS website


Haney, M.M., Power, John, West, Michael, and Michaels, Paul, 2012, Causal instrument corrections for short-period and broadband seismometers: Seismological Research Letters, v. 83, p. 834-845.


citation imageRoman, D.C., and Power, J.A., 2011, Mechanism of the 1996-97 non-eruptive volcano-tectonic earthquake swarm at Iliamna Volcano, Alaska: Bulletin of Volcanology, v. 73, n. 2, p. 143-153, doi:10.1007/s00445-010-0439-7 .
http://dx.doi.org/10.1007/s00445-010-0439-7


Dixon, J.P., Stihler, S.D., Power, J.A., and Searcy, C.K., 2011, Catalog of earthquake hypocenters at Alaskan volcanoes: January 1 through December 31, 2010: U.S. Geological Survey Data Series 645, 82 p., available online at http://pubs.usgs.gov/ds/645/
Download link to full publication on USGS webiste


Dawson, P.B., Chouet, B.A., and Power, John, 2011, Determining the seismic source mechanism and location for an explosive eruption with limited observational data: Augustine Volcano, Alaska: Geophysical Research Letters, v. 38, L03302, doi:10.1029/2010GL045977, 5 p.
http://dx.doi.org/10.1029/2010GL045977


Syracuse, E.M., Thurber, C.H., and Power, J.A., 2011, The Augustine magmatic system as revealed by seismic tomography and relocated earthquake hypocenters from 1994 through 2009: Journal of Geophysical Research, v. 116, B09306, doi: 10.1029/2010JB008129 , 11 p.
http://dx.doi.org/10.1029/2010JB008129


Dixon, J.P., Stihler, S.D., Power, J.A., and Searcy, C.K., 2010, Catalog of earthquake hypocenters at Alaskan volcanoes: January 1 through December 31, 2009: U.S. Geological Survey Data Series 531, 84 p., available online at http://pubs.usgs.gov/ds/531/ .
Download USGS page with links to the PDF and data catalog


Power, J.A., Coombs, M.L., and Freymueller, J.T., eds., 2010, The 2006 eruption of Augustine Volcano, Alaska: U.S. Geological Survey Professional Paper 1769, 667 p., 1 plate, scale 1:20,000, and data files. Available online at http://pubs.usgs.gov/pp/1769/ .
Download link to publication on USGS website


Power, J.A., and Lalla, D.J., 2010, Seismic observations of Augustine Volcano, 1970-2007, chapter 1 of Power, J.A., Coombs, M.L., and Freymueller, J.T., eds., The 2006 eruption of Augustine Volcano, Alaska: U.S. Geological Survey Professional Paper 1769, p. 3-40 [http://pubs.usgs.gov/pp/1769/chapters/p1769_chapter01.pdf].
Download PDF link to chapter PDF on USGS website


DeShon, H.R., Thurber, C.H., and Power, J.A., 2010, Earthquake waveform similarity and evolution at Augustine Volcano from 1993 to 2006, chapter 5 of Power, J.A., Coombs, M.L., and Freymueller, J.T., eds., The 2006 eruption of Augustine Volcano, Alaska: U.S. Geological Survey Professional Paper 1769, p. 103-118 [http://pubs.usgs.gov/pp/1769/chapters/p1769_chapter05.pdf].
Download PDF chapter PDF on USGS website


Lalla, D.J., and Power, J.A. 2010, A two-step procedure for calculating earthquake hypocenters at Augustine Volcano, chapter 7 of Power, J.A., Coombs, M.L., and Freymueller, J.T., eds., The 2006 eruption of Augustine Volcano, Alaska: U.S. Geological Survey Professional Paper 1769, p. 129-142 and software [http://pubs.usgs.gov/pp/1769/chapters/p1769_chapter07].
Download PDF and data files for chapter on USGS website


Cervelli, P.F., Fournier, T.J., Freymueller, J.T., Power, J.A., Lisowski, Michael, and Pauk, B.A., 2010, Geodetic constraints on magma movement and withdrawal during the 2006 eruption of Augustine Volcano, chapter 17 of Power, J.A., Coombs, M.L., and Freymueller, J.T., eds., The 2006 eruption of Augustine Volcano, Alaska: U.S. Geological Survey Professional Paper 1769, p. 427-452 [http://pubs.usgs.gov/pp/1769/chapters/p1769_chapter17.pdf].
Download PDF chapter PDF on USGS website


Neal, C.A. Murray, T.L. Power, J.A. Adleman, J.N. Whitmore, P.M. and Osiensky, J.M. 2010, Hazard information management, interagency coordination, and impacts of the 2005-2006 eruption of Augustine Volcano, chapter 28 of Power, J.A., Coombs, M.L., and Freymueller, J.T., eds., The 2006 eruption of Augustine Volcano, Alaska: U.S. Geological Survey Professional Paper 1769, p. 645-667 [http://pubs.usgs.gov/pp/1769/chapters/p1769_chapter28.pdf].
Download PDF chapter PDF on USGS website


Dixon, J.P., and Power, J.A., 2009, The January 2006 volcanic-tectonic earthquake swarm at Mount Martin, Alaska, in Haeusseler, P.J., and Galloway, J.P., eds., Studies by the U.S. Geological Survey in Alaska: U.S. Geological Survey Professional Paper 1760-D, 17 p., available at http://pubs.usgs.gov/pp/1760/d/ .
Download USGS website with citation and PDF link


Dixon, J.P., Stihler, S.D., Power, J.A., and Searcy, Cheryl, 2008, Catalog of earthquake hypocenters at Alaskan volcanoes: January 1 through December 31, 2006: U.S. Geological Survey Data Series 326, 79 p., available at http://pubs.usgs.gov/ds/326/ .
Download USGS website with links to PDF and TAR files


Dixon, J.P., Stihler, S.D. and Power, J.A., 2008, Catalog of earthquake hypocenters at Alaskan volcanoes: January 1 through December 31, 2007: U.S. Geological Survey Data Series 367, 82 p., available online at http://pubs.usgs.gov/ds/367/ .
Download link to PDF on USGS website


Moran, S.C., Freymueller, J.T., LaHusen, R.G., McGee, K.A., Poland, M.P., Power, J.A., Schmidt, D.A., Schneider, D.J., Stephens, G., Werner, C.A., and White, R.A., 2008, Instrumentation recommendations for volcano monitoring at U.S. volcanoes under the National Volcano Early Warning System: U.S. Geological Survey Scientific Investigations Report 2008-5114, 47 p., available online at http://pubs.usgs.gov/sir/2008/5114/ .


Tytgat, Guy, Paskievitch, J.F., McNutt, S.R., and Power, J.A., 2008, Development of Alaska Volcano Observatory seismic networks, 1988-2008 [abs.]: Eos, Transactions, American Geophyiscal Union, v. 89, n. 53, abstract V43H-02.


Dixon, J.P., McNutt, S.R., Power, J.A., and West, M.E., 2008, Twenty years of seismic monitoring by the Alaska Volcano Observatory [abs.]: Seismological Research Letters, v. 79, n. 2, p. 318-319.


Power, J.A., Lu, Z., Prejean, S., Wicks, C., and Dzurisin, D., 2008, The 1996 earthquake swarm and intrusion at Akutan Volcano, Alaska: an example of a failed eruption [abs.]: Eos, Transactions, American Geophysical Union, v. 89, n. 53, 1 p.


Dixon, J.P., McNutt, S.R., Power, J.A., and West, M., 2008, Twenty years of Alaska Volcano Observatory's contributions to seismology [abs.]: Eos, Transactions, American Geophysical Union, v. 89, n. 53, 1 p.


Dixon, J.P., Prejean, S.G., and Power, J.A., 2007, The January 2006 volcanic-tectonic earthquake swarm at Mount Martin, Alaska [abs].: Seismological Research Letters, v. 78, n. 2, p. 255.


citation imagePower, J.A., Nye, C.J., Coombs, M.L., Wessels, R.L., Cervelli, P.F., Dehn, J., Wallace, K.L., Freymueller, J.T., and Doukas, M.P., 2006, The reawakening of Alaska's Augustine Volcano: Eos, v. 87, n. 37, p. 373, 377.


citation imageCervelli, P.F., Fournier, Tom, Freymueller, J., and Power, J.A., 2006, Ground deformation associated with the precursory unrest and early phases of the January 2006 eruption of Augustine Volcano, Alaska: Geophysical Research Letters, v. 33, 5 p., doi: 10.1029/2006GL027219.
http://dx.doi.org/10.1029/2006GL027219


Dixon, J.P., Stihler, S.D., Power, J.A., Tytgat, Guy, Estes, Steve, and McNutt, S.R., 2006, Catalog of earthquake hypocenters at Alaskan volcanoes: January 1 through December 31, 2005: U.S. Geological Survey Open-File Report 2006-1264, 78 p., available at http://pubs.usgs.gov/of/2006/1264/ .
Download website with links to doc in PDF and data package


Brown, J., Deshon, H., Prejean, S., Thurber, C., and Power, J., 2006, Cross-correlation analysis reveals waveform similarity in long-period events prior to eruptive activity at Mt. Spurr Volcano, Alaska [abs.]: Seismological Research Letters, v. 77, n. 2, p. 241.


citation imageDixon, J.P., Stihler, S.D., Power, J.A., Tytgat, Guy, Estes, Steve, Prejean, Stephanie, Sanchez, J.J., Sanches, Rebecca, McNutt, S.R., and Paskievitch, John, 2005, Catalog of earthquake hypocenters at Alaskan volcanoes: January 1 through December 31, 2004: U.S. Geological Survey Open-File Report 2005-1312, 74 p., available online at http://pubs.usgs.gov/of/2005/1312/.
Download website with links to PDF and data files


Lu, Zhong, Wicks, Charles, Kwoun, Ohig, Power, J.A., and Dzurisin, Daniel, 2005, Surface deformation associated with the March 1996 earthquake swarm at Akutan Island, Alaska, revealed by C-band ERS and L-band JERS radar interferometry: Canadian Journal of Remote Sensing, v. 31, p. 7-20.


citation imageRoman, D. C., Power, J. A., Moran, S. C., Cashman, K. V., Doukas, M. P., Neal, C. A., and Gerlach, T. M., 2004, Evidence for dike emplacement beneath Iliamna Volcano, Alaska in 1996: Journal of Volcanology and Geothermal Research, v. 130, n. 3-4, p. 265-284.


citation imageDixon, J. P., Stihler, S. D., Power, J. A., Tytgat, Guy, Moran, S. C., Sanchez, J. J., McNutt, S. R., Estes, Steve, and Paskievitch, John, 2004, Catalog of earthquake hypocenters at Alaskan volcanoes: January 1 through December 31, 2003: U.S. Geological Survey Open-File Report 2004-1234, 69 p.
Download website with links to PDF and data tar file
Download PDF full-text PDF : 12.3 MB


citation imagePower, J.A, Stihler, S.D., White, R.A., and Moran, S.C., 2004, Observations of deep long-period (DLP) seismic events beneath Aleutian Arc volcanoes: 1989-2002: Journal of Volcanology and Geothermal Research, v. 138, p. 243-266.


citation imageMoran, S. C., Power, J. A., Stihler, S. D., Sanchez, J. J., and Caplan-Auerbach, Jacqueline, 2004, Earthquake triggering at Alaskan volcanoes following the 3 November 2002 Denali Fault Earthquake: Bulletin of the Seismological Society of America, v. 94, n. 6B, p. S300-S309.


Power, John, 2004, Renewed unrest at Mount Spurr Volcano, Alaska: Eos, v. 85, n. 43, p. 434.


citation imageRoman, D.C., Moran, S.C., Power, J.A., and Cashman, K.V., 2004, Temporal and spatial variation of local stress fields before and after the 1992 eruptions of Crater Peak Vent, Mount Spurr Volcano, Alaska: Bulletin of the Seismological Society of America, v. 94, n. 6, p. 2366-2379.


Power, J.A., Stihler, S.D., Dixon, J.P., Moran, S.C., Caplan-Auerbach, J., Prejean, S.G., McGee, K., Doukas, M.P., and Roman, D.C., 2004, Renewed seismic unrest at Mount Spurr Volcano, Alaska in 2004: Evidence for a magmatic intrusion: Eos Trans., AGU, 85(47), Fall meeting supplement, Abstract number S51A-0143.


Sánchez, J. J., McNutt, S. R., Power, J. A., and Wyss, M., 2004, Spatial variations in the frequency-magnitude distribution of earthquakes at Mount Pinatubo Volcano: Bulletin of the Seismological Society of America, v. 94, p. 430-438.


citation imageCaplan-Auerbach, Jacqueline, Prejean, S.G., and Power, J.A., 2004, Seismic recordings of ice and debris avalanches of Iliamna Volcano (Alaska): Acta Vulcanologica, v. 16, n. 1-2, p. 9-20.


citation imageDixon, J. P., Stihler, S. D., Power, J. A., Tytgat, Guy, Moran, S. C., Sanchez, John, Estes, Steve, McNutt, S. R., and Paskievitch, John, 2003, Catalog of earthquake hypocenters at Alaskan volcanoes: January 1 through December 31, 2002: U.S. Geological Survey Open-File Report 03-0267, 58 p.
Download website with links to PDFs, data tar file
Download PDF full-text PDF : 7.3 MB


citation imageLu, Zhong, Wicks, C. J., Dzurisin, Daniel, Power, John, Thatcher, Wayne, and Masterlark, Tim, 2003, Interferometric synthetic aperture radar studies of Alaska volcanoes: Earth Observation Magazine, v. 12, n. 3, p. 8-10.


citation imagePower, J. A., Jolly, A. D., Nye, C. J., and Harbin, M. L., 2002, A conceptual model of the Mount Spurr magmatic system from seismic and geochemical observations of the 1992 Crater Peak eruption sequence: Bulletin of Volcanology, v. 64, n. 3-4, p. 206-218.


citation imageDixon, J. P., Stihler, S. D., Power, J. A., Tytgat, Guy, Estes, Steve, Moran, S. C., Paskievitch, John, and McNutt, S. R., 2002, Catalog of earthquake hypocenters at Alaskan volcanoes: January 1, 2000 through December 31, 2001: U.S. Geological Survey Open-File Report 02-0342, 56 p.
Download webpage with links to PDFs, data tar file, ASCII text
Download PDF full-text PDF : 5 MB


citation imageLu, Zhong, Masterlark, Tim, Power, John, Dzurisin, Daniel, and Wicks, C. J., 2002, Subsidence at Kiska Volcano, Western Aleutians, detected by satellite radar interferometry: Geophysical Research Letters, v. 29, n. 18-2, 4 p.
http://dx.doi.org/10.1029/2002GL014948


citation imageLu, Zhong, Power, J. A., McConnell, V. S., Wicks, C. J., and Dzurisin, Daniel, 2002, Preeruptive inflation and surface interferometric coherence characteristics revealed by satellite radar interferometry at Makushin Volcano, Alaska: Journal of Geophysical Research, v. 107, n. B11, p. 1-13.
http://dx.doi.org/10.1029/2001JB000970


citation imageMoran, S. C., Stihler, S. D., and Power, J. A., 2002, A tectonic earthquake sequence preceding the April-May 1999 eruption of Shishaldin Volcano, Alaska: Bulletin of Volcanology, v. 64, n. 8, p. 520-524.


Lu, Zhong, Wicks, C. J., Power, John, Dzurisin, Daniel, Thatcher, Wayne, and Masterlark, Timothy, 2002, Interferometric synthetic aperture radar studies of Alaska volcanoes: in LeDrew, E. F., (ed.), Remote sensing; integrating our view of the planet, International Geoscience and Remote Sensing Symposium, 24, Proceedings, v. 1, New York, Remote sensing; integrating our view of the planet, p. 191-194.


citation imageLu, Z., Moran, S. C., Thatcher, Wayne, Wicks, C. J., Dzurisin, D., and Power, J. A., 2002, Magmatic inflation at a dormant stratovolcano: 1996-1998 activity at Mount Peulik volcano, revealed by satellite radar interferometry: Journal of Geophysical Research, v. 107, n. 7, p. 4-13.


Power, J. A., Moran, S. C., McNutt, S. R., Stihler, S. D., and Sanchez, J. J., 2001, Seismic response of the Katmai Volcanoes to the 6 December 1999 magnitude 7.0 Karluk Lake Earthquake, Alaska: Bulletin of the Seismological Society of America, v. 91, n. 1, p. 57-63.


citation imageJolly, A. D., Stihler, S. D., Power, J. A., Lahr, J. C., Paskievitch, John, Tytgat, Guy, Estes, Steve, Lockheart, A. D., Moran, S. C., McNutt, S. R., and Hammond, W. R., 2001, Catalog of earthquake hypocenters at Alaskan volcanoes: January 1, 1994 through December 31, 1999: U.S. Geological Survey Open-File Report 01-0189, 22 p.
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citation imageLu, Z., Wicks, C., Power, J. A., and Dzurisin, D., 2000, Ground deformation associated with the March 1996 earthquake swarm at Akutan volcano, Alaska, revealed by satellite radar interferometry: Journal of Geophysical Research, v. 105, n. B9, p. 21,483-21,496.


Power, J. A., Moran, S. C., McNutt, S. R., Stihler, S. D., and Sanchez, J. J., 2000, Triggered seismicity beneath the Katmai volcanoes following the December 6, 1999 magnitude 7.0 Karluk Lake earthquake, Alaska [abs.]: Eos, v. 81, n. 48, p. 917.


Lu, Zhong, Wicks, Charles, Dzurisin, Daniel, Power, J. A., and Thatcher, Wayne, 2000, Satellite radar interferometry detected surface deformation at a dormant Aleutian volcano [abs.]: Eos, v. 81, n. 48, p. 1354.


Lu, Zhong, Wicks, C. W., Power, J. A., and Dzurisin, Daniel, 1999, Deformation of Akutan Volcano, Alaska: revealed by satellite radar interferometry [abs.]: Eos, v. 80, n. 46, p. 1196.


Power, J. A., Moran, S. C., and Lees, J. M., 1999, Multiplet analysis at Alaskan volcanoes [abs.]: Seismological Research Letters, v. 70, n. 2, p. 218.


Power, J. A., 1998, Seismic investigations of subsurface volcanic structures and processes at Mount Spurr, Alaska, and Soufrier Hills volcano, Montserrat, West Indies: University of Alaska Fairbanks unpublished Ph.D. dissertation, Fairbanks, AK, 87 p.


Power, J. A., and Iwatsubo, E. Y., 1998, Measurements of slope distances and zenith angles at Augustine Volcano, Alaska, 1986, 1988, and 1989: U.S. Geological Survey Open-File Report 98-145, 17 p.


Power, J. A., Villasenor, A., and Benz, H. M., 1998, Seismic image of the Mount Spurr magmatic system: Bulletin of Volcanology, v. 60, n. 1, p. 27-37.


citation imageWaythomas, C. F., Power, J. A., Richter, D. H., and McGimsey, R. G., 1998, Preliminary volcano-hazard assessment for Akutan Volcano east-central Aleutian Islands, Alaska: U.S. Geological Survey Open-File Report 98-0360, 36 p., 1 plate, scale unknown.
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citation imageKleinman, J. W., Iwatsubo, E. Y., Power, J. A., and Endo, E. T., 1997, Geodetic studies in the Novarupta area, Katmai National Park, Alaska, 1990 to 1995: in Dumoulin, J. A. and Gray, J. E., (eds.), Geologic studies in Alaska by the U.S. Geological Survey, 1995, U.S. Geological Survey Professional Paper PP 1574, p. 83-92.
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McNutt, S. R., Benoit, J. P., Christensen, D., Estes, S. A., Tytgat, G. C., Stihler, S. D., Weimer, S., Jolly, A. D., Robinson, M., Hansen, R. A., Lindquist, K. G., Garces, M. A., Lahr, J. C., Hammond, R. H., Power, J. A., and Paskievitch, J. F., 1997, Broadband seismology at the Alaska Volcano Observatory, 1993-1997 [abs.]: Eos, v. 78, n. 46, p. 429.


Power, J. A., Jolly, A. D., Nye, C. J., and Harbin, M. L., 1997, Deep long-period events associated with the 1992 eruptions of Crater Peak Vent, Mount Spurr, Alaska [abs.]: Eos, v. 78, n. 46, p. 438.


Endo, E. T., Murray, T. L., and Power, J. A., 1996, A comparison of preeruption real-time seismic amplitude measurements for eruptions at Mount St. Helens, Redoubt Volcano, Mount Spurr, and Mount Pinatubo: in Newhall, C. G. and Punongbayan, R. S., (eds.), Fire and mud: eruptions and lahars of Mount Pinatubo, Philippines, Quezon City and Seattle, WA, Philippine Institute of Volcanology and Seismology and University of Washington Press, p. 233-247.


Jolly, A. D., Power, J. A., Stihler, S. D., Rao, L. N., Davidson, G., Paskievitch, J. F., Estes, S. A., and Lahr, J. C., 1996, Catalog of earthquake hypocenters for Augustine, Redoubt, Iliamna, and Mount Spurr volcanoes, Alaska: January 1, 1991 - December 31, 1993: U.S. Geological Survey Open-File Report 96-0070, 90 p., 1 disk.


Keith, T. E. C., Nye, C. J., Eichelberger, J. C., Miller, T. P., and Power, J. A., 1996, March 1996 seismic crisis at Akutan Volcano, central Aleutian Arc, Alaska [abs.]: Eos, v. 77, n. 46, p. 815.


Power, J. A., Paskievitch, J. F., Richter, D. H., McGimsey, R. G., Stelling, P. L., Jolly, A. D., and Fletcher, H. J., 1996, 1996 seismicity and ground deformation at Akutan Volcano, Alaska [abs.]: Eos, v. 77, n. 46, p. 514.


Hoblitt, R. P., Mori, J., and Power, J. A., 1996, Computer visualization of earthquake hypocenters: in Newhall, C. G. and Punongbayan, R. S., (eds.), Fire and mud: eruption and lahars from Mount Pinatubo, Philippines, Seattle, WA, University of Washington Press, p. 383-385.


citation imageMcNutt, S. R., Tytgat, G. C., and Power, J. A., 1995, Preliminary analyses of volcanic tremor associated with 1992 eruptions of Crater Peak, Mount Spurr volcano, Alaska: in Keith, T. E. C., (ed.), The 1992 eruptions of Crater Peak Vent, Mount Spurr volcano, Alaska, U.S. Geological Survey Bulletin 2139, p. 161-178.
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citation imagePower, J. A., Jolly, A. D., Page, R. A., and McNutt, S. R., 1995, Seismicity and forecasting of the 1992 eruptions of Crater Peak Vent, Mount Spurr volcano, Alaska: an overview: in Keith, T. E. C., (ed.), The 1992 eruptions of Crater Peak Vent, Mount Spurr volcano, Alaska, U.S. Geological Survey Bulletin 2139, p. 149-159.
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Jolly, A. D., Page, R. A., and Power, J. A., 1994, Seismicity and stress in the vicinity of Mount Spurr volcano, south central Alaska: Journal of Geophysical Research, v. 99, n. B8, p. 15,305-15,318.


citation imagePage, R. A., Lahr, J. C., Chouet, B. A., Power, J. A., and Stephens, C. D., 1994, Statistical forecasting of repetitious dome failures during the waning eruption of Redoubt Volcano, Alaska, February-April 1990: in Miller, T. P. and Chouet, B. A., (eds.), The 1989-1990 eruptions of Redoubt Volcano, Alaska, Journal of Volcanology and Geothermal Research, v. 62, n. 1, p. 183-196.


Power, J. A., and Jolly, A. D., 1994, Seismicity at 10- to 45-km depth associated with the 1992 eruptions of Crater Peak vent, Mount Spurr, Alaska [abs.]: Eos, v. 75, n. 44, p. 715.


citation imagePower, J. A., Lahr, J. C., Page, R. A., Chouet, B. A., Stephens, C. D., Harlow, D. H., Murray, T. L., and Davies, J. N., 1994, Seismic evolution of the 1989-1990 eruption sequence of Redoubt Volcano, Alaska: in Miller, T. P. and Chouet, B. A., (eds.), The 1989-1990 eruptions of Redoubt Volcano, Alaska, Journal of Volcanology and Geothermal Research, v. 62, n. 1, p. 69-94.


Jolly, A. D., Lahr, J. C., Power, J. A., Stihler, S. D., Ward, P. L., and McNutt, S. R., 1994, Velocity models for locations of shallow seismicity along the northeastern portion of the Aleutian volcanic arc [abs.]: Eos, v. 75, n. 44, p. 423-424.


Dzurisin, D., Iwatsubo, E. Y., Kleinman, J. W., Murray, T. L., Power, J. A., and Paskievitch, J. F., 1994, Deformation monitoring at Augustine Volcano, AK [abs.]: Eos, v. 75, n. 44, p. 166.


Power, J. A., March, G. D., Lahr, J. C., Jolly, A. D., and Cruse, G. R., 1993, Catalog of earthquake hypocenters at Redoubt Volcano and Mt. Spurr, Alaska: October 12, 1989-December 31, 1990: U.S. Geological Survey Open-File Report 93-685-A, 57 p.


Power, J. A., March, G. D., Lahr, J. C., Jolly, A. D., and Cruse, G. R., 1993, Catalog of earthquake-hypocenters at Redoubt Volcano and Mt. Spurr, Alaska: October 12, 1989-December 31, 1990: U.S. Geological Survey Open-File Report 93-685-B, 1 5 1/4 inch disk.


Page, R. A., Lahr, J. C., Chouet, B. A., Power, J. A., and Stephens, C. D., 1993, Statistical forecasting of repetitious dome failures during the waning eruptions of Redoubt volcano, Alaska, February-April 1990 [abs.]: in Workshop on Volcanic Disaster Prevention under Japan - U.S. Technology Agreement, 1, Proceedings, p. 182-207.


Power, J. A., Jolly, A. D., Stihler, S. D., Page, R. A., Lahr, J. C., Stephens, C. D., Chouet, B. A., McNutt, S. R., Davies, J. N., and March, G. D., 1992, Precursory seismicity and forecasting of the 1992 eruptions of Mount Spurr, Alaska [abs.]: Eos, v. 73, n. 43, p. 342.


Jolly, A. D., Power, J. A., Page, R. A., Lahr, J. C., and Stephens, C. D., 1992, A comparison of baseline and pre-eruption depths of seismicity at Mt. Spurr Volcano, south-central Alaska [abs.]: Eos, v. 73, n. 43, p. 342.


Miller, T. P., Power, J. A., Eichelberger, J. C., McNutt, S. R., and Davies, J. N., 1992, The 1989-90 Redoubt and the 1992 Mt. Spurr volcanic eruptions: Response procedure of the Alaska Volcano Observatory [abs.]: Eos, v. 73, n. 43, p. 68.


Jolly, A. D., Page, R. A., Stephens, C. D., Lahr, J. C., Power, J. A., and Cruse, G. R., 1991, Seismicity in the vicinity of Mt. Spurr Volcano, south-central Alaska, based on a revised velocity model [abs.]: in American Geophysical Union 1991 Fall Meeting, Program and Abstracts, San Francisco, 9-13 December 1991, p. 567.


Chouet, B. A., Page, R. A., Davies, J. N., and Power, J. A., 1991, Forecasting eruptions at Redoubt Volcano, Alaska [abs.]: Abstracts with Programs - Geological Society of America, v. 23, n. 2, p. 13.


Chouet, B. A., Page, R. A., Davies, J. N., and Power, J. A., 1991, Forecasting eruptions at Redoubt Volcano, Alaska [abs.]: Seismological Research Letters, v. 62, n. 1, p. 25.


citation imageNeal, C., and Power, J. (compilers), 1991, Alaska Volcano Observatory summary report: January 1, 1991 - February 28, 1991: Alaska Volcano Observatory bimonthly report series, 13 p.
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Power, J., Davies, J. N., Page, R. A., March, G. D., Murray, T. L., Chouet, B., Harlow, D. H., and Lahr, J. C., 1990, Seismic evolution of the 1989-1990 eruption of Redoubt Volcano, Alaska [abs.]: Eos, v. 71, n. 43, p. 1700-1701.


March, G. D., and Power, John, 1990, A networked computer configuration for seismic monitoring of volcanic eruptions: U.S. Geological Survey Open-File Report 90-0422, 19 p.


Davies, J. N., Miller, T. P., Power, J. A., and Forbes, R. B., 1990, The Alaska Volcano Observatory: a multisite, multiagency consortium for volcano monitoring and research [abs.]: Eos, v. 71, n. 43, p. 1709.


March, G. D., Power, J. A., Harlow, D. H., and Lahr, J. C., 1990, Acquisition, processing, storage, and display of seismic data during the 1989-90 eruption of Redoubt Volcano, Alaska [abs.]: Eos, v. 71, n. 43, p. 1709.


Murray, T. L., Power, J. A., and Endo, E. T., 1990, Applications of a real-time seismic amplitude measurement system (RSAM) during the 1989-1990 eruption of Redoubt Volcano, Alaska [abs.]: Eos, v. 71, n. 43, p. 1709.


Chouet, B. A., Page, R. A., Davies, J. N., Power, J. A., Lahr, J. C., Harlow, D. H., and Stephens, C. D., 1990, Forecasting the December 14, 1989 and January 2, 1990 eruptions at Redoubt Volcano, Alaska [abs.]: Eos, v. 71, n. 43, p. 1701.


Chouet, B. A., Power, J. A., Davies, J. N., Miller, T. P., Page, R. A., Lahr, J. C., Murray, T. L., Harlow, D. H., Endo, E. T., and Stephens, C. D., 1990, A seismic model for forecasting eruptions at Redoubt Volcano, Alaska [abs.]: Eos, v. 71, n. 28, p. 954.


citation imageGardner, Cynthia, and Power, John (compilers), 1990, Alaska Volcano Observatory monthly report: December 1989 - May 1990: Alaska Volcano Observatory bimonthly report series, 98 p.


citation imageNeal, C., and Power, J. (compilers), 1990, Alaska Volcano Observatory summer report: June 1, 1990 - September 30, 1990: Alaska Volcano Observatory bimonthly report series, 38 p.


citation imageNeal, C.A., and Power, J. (compilers), 1990, Alaska Volcano Observatory fall report: October 1, 1990 - December 31, 1990: Alaska Volcano Observatory bimonthly report series, 8 p.


citation imagePower, John, 1988, Seismicity associated with the 1986 eruption of Augustine Volcano, Alaska: University of Alaska Fairbanks unpublished M.S. thesis, 142 p.


Power, John, Kienle, Juergen, and Davies, J. N., 1988, Seismicity associated with the 1986 eruption of Mt. St. Augustine Volcano [abs.]: Eos, v. 69, n. 44, p. 1488.

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