Alaska Volcano Observatory

Ronni Grapenthin

Website:	http://www.grapenthin.org
Discipline(s):	Geodesy

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2019 Volcanic activity in Alaska—Summary of events and response of the Alaska Volcano Observatory, 2023

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

Full-text PDF : 14.3 MB

2018 Volcanic activity in Alaska—Summary of events and response of the Alaska Volcano Observatory, 2023

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

Full-text PDF : 35.5 MB

Quantifying large-scale surface change using SAR amplitude images: crater morphology changes during the 2019–2020 Shishaldin Volcano eruption, 2022

Angarita, Mario, Grapenthin, Ronni, Plank, Simon, Meyer, F.J., and Dietterich, Hannah, 2022, Quantifying large-scale surface change using SAR amplitude images: crater morphology changes during the 2019-2020 Shishaldin Volcano Eruption: Journal of Geophysical Research: Solid Earth, v. 127, 19 p., 10.1029/2022JB024344.

http://dx.doi.org/10.1029/2022JB024344

Multiple magma sources beneath the Okmok Caldera as inferred from local earthquake tomography, 2022

Kasatkina, E., Koulakov, I., Grapenthin, R., Izbekov, P., Larsen, J. F., Al Arifi, N., and Saleh Ismail Qaysi, 2022, Multiple magma sources beneath the Okmok caldera as inferred from local earthquake tomography: Journal of Geophysical Research: Solid Earth, v. 127. doi.org/10.1029/2022JB024656.

http://dx.doi.org/10.1029/2022JB024656

Full Text PDF : 11.1 mb

Return from dormancy: Rapid inflation and seismic unrest driven by transcrustal magma transfer at Mt. Edgecumbe (L'ux Shaa) Volcano, Alaska., 2022

Grapenthin, Ronni, Cheng, Yitian, Angarita, Mario, Tan, Darren, Meyer, F.J., Fee, David, and Wech, Aaron, 2022, Return from dormancy: Reapid inflation and seismic unrest driven by transcrustal magma transfer at Mt. Edgecumbe (L'ux Shaa) Volcano, Alaska: Geophysical Research Letters, v. 49, 10p., 10.1029/2022GL099464.

http://dx.doi.org/10.1029/2022GL099464

Geodetic observations during the 2009 eruption of Redoubt Volcano, Alaska, 2013

Grapenthin, Ronni, Freymueller, J.T., and Kaufman, A.M., 2013, Geodetic observations during the 2009 eruption of Redoubt Volcano, Alaska: Journal of Volcanology and Geothermal Research, v. 259, p. 115-132, doi:10.1016/j.jvolgeores.2012.04.021

http://dx.doi.org/10.1016/j.jvolgeores.2012.04.021

Volcano deformation and subdaily GPS products, 2012

Grapenthin, R., 2012, Volcano deformation and subdaily GPS products: University of Alaska Fairbanks Ph.D. dissertation, 169 p.

Surface loading affects internal pressure source characteristics derived from volcano deformation signals, 2010

Grapenthin, Ronni, Sigmundsson, Freysteinn, Ofeigsson, Benedikt, and Sturkell, Erik, 2010, Surface loading affects internal pressure source characteristics derived from volcano deformation signals [abs.]: Geophysical Research Abstracts, v. 12, 1 p.