Dietterich, Hannah
Research Geophysicist
Website: www.avo.alaska.edu
Discipline(s): Geology, Remote Sensing
References:
2022 Volcanic activity in Alaska and the Northern Mariana Islands—Summary of events and response of the Alaska Volcano Observatory, 2025
Orr, T.R., Dietterich, H.R., Grapenthin, R., Haney, M.M., Loewen, M.W., Saunders-Schultz, P., Tan, D., Waythomas, C.F., and Wech, A.G., 2025, 2022 Volcanic activity in Alaska and the Northern Mariana Islands-Summary of events and response of the Alaska Volcano Observatory: U.S. Geological Survey Scientific Investigations Report 2024-5108, 46 p. https://doi.org/ 10.3133/sir20245108
Full-text PDF 12.8 MB Digital surface model and orthoimagery of Iliamna Volcano and Johnson River, Lake Clark National Park, Alaska, 2025
Hults, C.P., Hansen, D., Brady, G., Orr, T.R., and Dietterich, H.R., 2025, Digital surface model and orthoimagery of Iliamna Volcano and Johnson River, Lake Clark National Park, Alaska: U.S. Geological Survey data release. https://doi.org/10.5066/P13OCPIDMakushin Volcano ash hazards, 2025
Dietterich, H.R., Schaefer, J.R., Larsen, J.F., Vallance, J.W., Van Eaton, A.R., and Wallace, K.L., 2025, Makushin Volcano ash hazards: Alaska Division of Geological & Geophysical Surveys Information Circular 86 v. 2, 2 p. https://doi.org/10.14509/31684
Full-text PDF 2 MB Previously unpublished whole-rock major- and trace-element compositions of volcanic samples from the Alaska Peninsula-Aleutian arc, Alaska, 2025
Coombs, M.L., Cameron, C.E., Gardner, C.A., Larsen, J.F., Fierstein, J.E., Loewen, M.W., Izbekov, P.E., and Dietterich, H.R., 2025, Previously unpublished whole-rock major- and trace-element compositions of volcanic samples from the Alaska Peninsula-Aleutian arc, Alaska: Alaska Division of Geological & Geophysical Surveys Raw Data File 2025-2, 9 p. https://doi.org/10.14509/31455
Full-text PDF 781 KB Tephra samples and analyses from the 2018-2023 eruption of Semisopochnoi Volcano, Alaska, 2025
Loewen, M.W., Dietterich, H.R., Lubbers, Jordan, and Van Eaton, A.R., 2025, Tephra samples and analyses from the 2018-2023 eruption of Semisopochnoi Volcano, Alaska: Alaska Division of Geological & Geophysical Surveys Raw Data File 2025-15, 13 p. https://doi.org/10.14509/31645
Full-text PDF 2.6 MB 
Supplementary data (zip) 88 KB 2020 volcanic activity in Alaska - Summary of events and response of the Alaska Volcano Observatory, 2024
Orr, T., Cameron, C.E., Dietterich, H.R., Loewen, M.W., Lopez, T., Lyons, J.J., Nakai, J., Power, J.A., Searcy, C., Tepp, G., and Waythomas, C.W., 2024, 2020 Volcanic activity in Alaska - Summary of events and response of the Alaska Volcano Observatory: U.S. Geological Survey Scientific Investigations Report 2024-5004, 34 p. https://doi.org/10.3133/sir20245004.
Full-text PDF 13.5 MB 2021 Volcanic activity in Alaska and the Commonwealth of the Northern Mariana Islands - Summary of events and response of the Alaska Volcano Observatory, 2024
Orr, T.R., Dietterich, H.R., Fee D., Girona, T., Grapenthin, R., Haney, M.M., Loewen, M.W., Lyons, J.J., Power, J.A., Schwaiger, H.F., Schneider, D.J., Tan, D., Toney, L., Wasser, V.K., and Waythomas, C.F., 2024, 2021 Volcanic activity in Alaska and the Commonwealth of the Northern Mariana Islands - Summary of events and response of the Alaska Volcano Observatory: U.S. Geological Survey Scientific Investigations Report 2024-5014, 64 p. https://doi.org/10.3133/sir20245014.
Full-text PDF 25.7 MB Automatic identification and quantification of volcanic hotspots in Alaska using HotLINK: the hotspot learning and identification network, 2024
Saunders-Schultz, P., Lopez, T., Dietterich, H., and Girona, T., 2024, Automatic identification and quantification of volcanic hotspots in Alaska using HotLINK - the hotspot learning and identification network: Frontiers in Earth Science v. 12, 1345104. https://doi.org/10.3389/feart.2024.1345104
Full-text PDF 46.1 MB From field station to forecast: managing data at the Alaska Volcano Observatory, 2024
Coombs, M.L., Cameron, C.E., Dietterich, H.R., Boyce, E.S., Wech, A.G., Grapenthin, R., Wallace, K.L., Parker, T., Lopez, T., Crass, S., Fee, D., Haney, M.M., Ketner, D., Loewen, M.W., Lyons, J.J., Nakai, J.S., Power, J.A., Botnick, S., Brewster, I., Enders, M.L., Harmon, D., Kelly, P.J., and Randall, M., 2024, From field station to forecast: managing data at the Alaska Volcano Observatory: Bulletin of Volcanology v. 86, 79. https://doi.org/10.1007/s00445-024-01766-0Davidof volcano samples and analyses, 2023
Loewen, M.W., Dietterich, Hannah, and Rosenkrans, H.S., 2023, Davidof volcano samples and analyses: Alaska Division of Geological & Geophysical Surveys Raw Data File 2023-22, 4 p. https://doi.org/10.14509/31084.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.The 2018 eruption of Mount Veniaminof, Alaska, 2022
Waythomas, C.F., Dietterich, H.R., Tepp, G.M., Lopez, T.M., and Loewen, M.W., 2022, The 2018 eruption of Mount Veniaminof, Alaska: U.S. Geological Survey Scientific Investigations Report 2022-5075, 32 p. https://doi.org/10.3133/sir20225075.
Full Text PDF 11.9mb