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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.

David Fee
Institute: UAF/GI
Website: https://sites.google.com/alask
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AVO-GI Coordinating Scientist. Research Professor at UAF specializing in infrasound and seismology.

Bishop, J.W., Haney, M.W., Fee, D., Matoza, R.S., McKee, K.F., and Lyons, J.J., 2023, Back‐azimuth estimation of air‐to‐ground coupled infrasound from transverse coherence minimization: The Seismic Record v. 3, no. 4, p. 249-258. https://doi.org/10.1785/0320230023.

Matoza, R.S., et al., 2022, Atmospheric waves and global seismoacoustic observations of the January 2022 Hunga eruption, Tonga: Science, p. 11, DOI:10.1126/science.abo7063.

Iezzi, A. M., Matoza, R.S., Bishop, J. W., Bhetanabhotla, Sneha, and Fee, David, 2022, Narrow-band least-squares infrasound array processing: Seismology Research Letters, 16 p., doi:10.1785/0220220042.

Toney, Liam, Fee, David, Witsil, Alex, and Matoza, R.S., 2022, Waveform features strongly control subcrater classification performace for a large, laveled volcano infrasound dataset: The Seismic Record, v. 2, p. 167-175, doi:10.1785/0320220019.

Kim, Keehan, Bowman, D.C., and Fee, David, 2022, Finite-difference simulation for infrasound generated by finite-extent ground motions: Seismological Research Letters, 11 p., 10.1785/0220220129.

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.

Toney, Liam, Fee, David, Allstadt, K.E., Haney, M.M., and Matoza, R.S., 2021, Reconstructing the dynamics of the highly similar May 2016 and June 2019 Iliamna Volcano (Alaska) ice-rock avalanches from seismoacoustic data: Earth Surface Dynamics, v. 9, p. 271-293, https://doi.org/10.5194/esurf-9-271-2021.
Download article on Earth Surface Dynamics' website

Fee, David, Toney, Liam, Kim, Keehoon, Sanderson, R.W., Iezzi, A.M., Matoza, R.S., De Angelis, Silvio, Jolly, A.D., Lyons, J.J., and Haney, M.M., 2021, Local explosion detection and infrasound localization by reverse time migration using 3-D finite-difference wave propagation: Frontiers in Earth Science, v. 9, article no. 620813, 14 p., https://doi.org/10.3389/feart.2021.620813.
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Fee, David, Lyons, John, Haney, Matthew, Wech, Aaron, Waythomas, Christopher, Diefenbach, A.K., Lopez, Taryn, Van Eaton, Alexa, and Schneider, David, 2020, Seismo-acoustic evidence for vent drying during shallow submarine eruptions at Bogoslof volcano, Alaska: Bulletin of Volcanology, v. 82, n. 2, 14 p.,doi:10.1007/s00445-019-1326-5.
Download Open Access on Bull Volc webpage

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 .

Schwaiger, H.F., Lyons, J.J., Iezzi, A.M., Fee, David, and Haney, M.M., 2020, Evolving infrasound detections from Bogoslof volcano, Alaska: insights from atmospheric propagation modeling: Bulletin of Volcanology, v. 82, n. 27, doi:10.1007/s00445-020-1360-3.

Lyons, J.J., Iezzi, A.M., Fee, David, Schwaiger, H.F., Wech, A.G., and Haney, M.M., 2020, Infrasound generated by the 2016-2017 shallow submarine eruption of Bogoslof volcano, Alaska: Bulletin of Volcanology, n. 82, doi: https://doi.org/10.1007/s00445-019-1355-0.

Lopez, Taryn, Lieven, Clarisse, Schwaiger, Hans, Van Eaton, Alexa, Loewen, Matthew, Fee, David, Lyons, John, Wallace, Kristi, Searcy, Cheryl, Wech, Aaron, Haney, Matthew, Schnieder, David, and Graham, Nathan, 2020, Constraints on eruption processes and event masses for the 2016-2017 eruption of Bogoslof volcano, Alaska, through evalution of IASI satellite SO2 masses and complementary datasets: Bulletin of Volcanology, v. 82, doi: https://doi.org/10.1007/s00445-019-1348-z.

Van Eaton, A.R., Schneider, D.J., Smith, C.A., Haney, M.M., Lyons, J.J., Said, Ryan, Fee, David, Holzworth, R.H., and Mastin, LG., 2020, Did ice-charging generate volcanic lightning during the 2016-2017 eruption of Bogoslof volcano, Alaska?: Bulletin of Volcanology, v, 82, doi: https://doi.org/10.1007/s00445-019-1350-5

Haney, M.M., Van Eaton, A.R., Lyons, J.J., Kramer, R.L., Fee, David, Iezzi, A.M., Dziak, R.P., Anderson, Jacob, Johnson, J.B., Lapierre, J.L., and Stock, Michael, 2020, Characteristics of thunder and electromagnetic pulses from volcanic lightning at Bogoslof volcano, Alaska: Bulletin of Volcanology v. 82, doi: https://doi.org/10.1007/s00445-019-1349-y.

Haney, M.M., Fee, David, McKee, K.F., Lyons, J.J., Matoza, R.S., Wech, A.G., Tepp, Gabrielle, Searcy, Cheryl, and Mikesell, T.D., 2020, Co-eruptive tremor from Bogoslof volcano: seismic wavefield composition at regional distances: Bulletin of Volcanology, v. 82, doi: https://doi.org/10.1007/s00445-019-1347-0.

Sanderson, R.W., Matoza, R.S., Fee, David, Haney, M.M., and Lyons, J.J., 2020, Remote detection and location of explosive volcanism in Alaska with the EarthScope Transportable Array: Journal of Geophysical Research: Solid Earth, v. 125, 23 p., doi: https://doi.org/10.1029/2019JB018347

Gestrich, J.E., Fee, David, Tsai, V.C., Haney, M.M., and Van Eaton, A.R., 2020, A physical model for volcanic eruption tremor: Journal of Geophysical Research: Solid Earth, v. 125, e2019JB018980. https://doi.org/ 10.1029/2019JB018980.

De Angelis, Silvio, Haney, M.M., Lyons, J.J., Wech, Aaron, Fee, David, Diaz-Moreno, Alejandro, and Zuccarello, Luciano, 2020, Uncertainty in detection of volcanic activity using infrasound arrays: examples from Mt. Etna, Italy: Frontiers in Earth Science, v. 8, article no. 169, 11 p., 10.3389/feart.2020.00169.
Download article on Frontiers

Iezzi, A.M., Fee, David, Haney, M.M., and Lyons, J.J., 2020, Seismo-acoustic characterization of Mount Cleveland Volcano explosions: Frontiers in Earth Science, v. 8, no. 573368, 19 p., doi:10.3389/feart.2020.573368.
Download article on publisher website

Bishop, J.W., Fee, David, and Szuberla, C.A.L., Improved infrasound array processing with robust estimators: Geophysical Journal International, v. 221, no. 3, p. 2058-2074. http://dx.doi.org/10.1093/gji/ggaa110.
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Iezzi, A.M., Schwaiger, H.F., Fee, D., and Haney, M.M., 2019, Application of an updated atmospheric model to explore volcano infrasound propagation and detection in Alaska: Journal of Volcanology and Geothermal Research, v. 371, p. 192-205, doi:10.1016/j.volgeores.2018.03.009.

Schwaiger, H.F., Iezzi, A.M., and Fee, David, 2019, AVO-G2S: A modified, open-source Ground-to-Space atmospheric specification for infrasound modeling: Computers and Geosciences, v. 125, p. 90-97, doi:10.1016/j.cageo.2018.12.013.

Lyons, J.J., Haney, M.M., Fee, David, Wech, A.G., and Waythomas, C.F., 2019, Infrasound from giant bubbles during explosive submarine eruptions: Nature Geoscience, v. 12, p. 952-958, doi:10.1038/s41561-019-0461-0.
Download paper at Nature Geosciences

Waythomas, C.F., Lyons, J.J., Fee, David, and Wallace, K.L., 2019, The 2016-2017 eruption of Bogoslof volcano, Alaska: preface to the special issue: Bulletin of Volcanology, v. 81, n. 48, doi:10.1007/s00445-019-1301-1.

Haney, M.M., Van Eaton, A.R., Lyon, J.J., Kramer, R.L., Fee, David, Iexxi, A.M., 2018, Volcanic thunder from explosive eruptions at Bogoslof volcano, Alaska: Geophysical Research Letters, v. 45, n. 8, doi: 10.1002/2017/GL076911.

Matoza, R.S., and Fee, David, 2018, The inaudible rumble of volcanic eruptions: Acoustics Today, v. 14, n. 1, p. 17-25.

Coombs, M.L., Wech, A.G., Haney, M.M., Lyons, J.J., Schneider, D.J., Schwaiger, H.F., Wallace, K.L., Fee, David, Freymueller, J.T., Schaefer, J.R., and Tepp, Gabrielle, 2018, Short-term forecasting and detection of explosions during the 2016-2017 eruption of Bogoslof Volcano, Alaska: Frontiers in Earth Science, v. 6, article 122, doi: 10.3389/feart.2018.00122 .
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Haney, M.M., Matoza, R.S., Fee. David, and Aldridge, David, 2018, Seismic equivalents of volcanic jet scaling laws and multipoles in acoustics: Geophysical Journal International, v. 213, n. 1, p. 623-636, doi: http://dx.doi.org/10.1093/gji/ggx554.

citation imageFee, David, Haney, M.H., Matoza, R.S., Van Eaton, A.R., Cervelli, Peter, Schneider, D.J., and Iezzi, A.M., 2017, Volcanic tremor and plume height hysteresis from Pavlof Volcano, Alaska: Science, v. 355, n. 6320, p. 45-48, doi:10.1126/science.aah6108

Larson, K. M., Palo, S., Roesler, C., Mattia, M., Bruno, V., Coltelli, M., and Fee, D., 2017, Detection of plumes at Redoubt and Etna volcanoes using the GPS SNR method: Journal of Volcanology and Geothermal Research, v 344, p. 26-39, doi: http://dx.doi.org/10.1016/j.jvolgeores.2017.04.005.

Matoza, R. S., Green, D. N., Le Pichon, A., Shearer, P. M., Fee, D., Mialle, P., and Ceranna, L., 2017, Automated detection and cataloging of global explosive volcanism using the International Monitoring System infrasound network: Journal of Geophysical Research: Solid Earth, v. 122, n. 4, p. 2946-2971, doi:http://dx.doi.org/10.1002/2016JB013356.

Fee, D., Haney, M., Matoza, R., Szuberla, C., Lyons, J., and Waythomas, C., 2016, Seismic Envelope‐Based Detection and Location of Ground‐Coupled Airwaves from Volcanoes in Alaska: Bulletin of the Seismological Society of America, v. 106, n. 3, p. 1-12.

citation imageLopez, T., Thomas, H.E., Prata, A.J., Amigo, A., Fee, D., and Moriano, D., 2015, Volcanic plume characteristics determined using an infrared imaging camera: Journal of Volcanology and Geothermal Research, v. 300, p. 148-166, doi: 10.1016/j.jvolgeores.2014.12.009

citation imageKim, Keehoon, Fee, David, Yokoo, Akihiko, and Lees, J.M., 2015, Acoustic source inversion to estimate volume flux from volcanic explosions: Geophysical Research Letters, v. 42, 7 p., doi: 10.1002/2015GL064466

McNutt, S.R., Thompson, G., Johnson, J.B., De Angelis, S., and Fee, D., 2015, Seismic and infrasound monitoring: in Sigurdsson, H., Houghton, B.F., Rymer, H., Stix, J., and McNutt, S. (eds.), The encyclopedia of volcanoes (2nd ed): Academic Press, p. 1071-1099, http://dx.doi.org/10.1016/B978-0-12-385938-9.00063-8

citation imageWaythomas, C.F., Haney, M.M., Fee, David, Schneider, D.J., and Wech, Aaron, 2014: The 2013 eruption of Pavlof Volcano, Alaska: a spatter eruption at an ice- and snow-clad volcano: Bulletin of Volcanology, v. 76, n. 862, 12 p., doi: 10.1007/s00445-014-0862-2

citation imageMcKee, Kathleen, Fee, David, Rowell, Colin, and Yokoo, Akihiko, 2014, Network-based evaluation of the infrasonic source location at Sakurajima Volcano, Japan: Seismological Research Letters, v. 85, n.6, p. 1200-1211, doi: 10.1785/0220140119

Matoza, R.S., and Fee, David, 2014, Infrasonic component of volcano-seismic eruption tremor: Geophysical Research Letters, v. 41, n. 5, p. 1964-1970, http://dx.doi.org/10.1002/2014GL059301

citation imageLyons, J.J., Haney, M.M., Fee, David, and Paskievitch, J.F., 2014, Distinguishing high surf from volcanic long-period earthquakes: Geophysical Research Letters, v. 41, 8 p., doi:10.1002/2013GL058954

citation imageFee, David, and Matoza, R.S., 2013, An overview of volcano infrasound: from hawaiian to plinian, local to global: Journal of Volcanology and Geothermal Research, v. 249, p. 123-139, doi: 10.1016/j.jvolgeores.2012.09.002 .

citation imageFee, David, McNutt, S.R., Lopez, T.M., Arnoult, K.M., Szuberla, C.A.L., and Olson, J.V., 2013, Combining local and remote infrasound recordings from the 2009 Redoubt Volcano eruption: Journal of Volcanology and Geothermal Research, v. 259, p. 100-114, doi:10.1016/j.jvolgeores.2011.09.012

citation imageLopez, Taryn, Carn, Simon, Werner, Cynthia, Fee, David, Kelly, Peter, Doukas, Michael, Pfeffer, Melissa, Webley, Peter, Cahill, Catherine, and Schneider, David, 2013, Evaluation of Redoubt Volcano's sulfur dioxide emissions by the Ozone Monitoring Instrument: Journal of Volcanology and Geothermal Research, v. 259, p. 290-307, doi:10.1016/j.jvolgeores.2012.03.002

citation imageMcNutt, S.R., Thompson, G., West, M.E., Fee, D., Stihler, S., and Clark, E., 2013, Local seismic and infrasound observations of the 2009 explosive eruptions of Redoubt Volcano, Alaska: Journal of Volcanology and Geothermal Research, v. 259, p. 63-76, doi:10.1016/j.jvolgeores.2013.03.016

citation imageFee. David, Matoza, R.S., Gee, K.L., Neilsen, T.B. and Ogden, D.E., 2013, Infrasonic crackle and supersonic jet noise from the eruption of Nabro Volcano, Eritrea: Geophysical Research Letters, v. 40, 5 p., doi: 10.1002/grl.50827

citation imageDe Angelis, Silvio, Fee, David, Haney, Matthew, and Schneider, David, 2012, Detecting hidden volcanic explosions from Mt. Cleveland volcano, Alaska, with infrasound and ground-coupled airwaves: Geophysical Research Letters, v. 39, L21312, 6 p., doi: 10.1029/2012GL053635 .

citation imageArnoult, K.M., Olson, J.V., Szuberla, C.A.L., McNutt, S.R., Garces, M.A., Fee, David, and Hedlin, M.A.H., 2010, Infrasound observations of the 2008 explosive eruptions of Okmok and Kasatochi volcanoes, Alaska: Journal of Geophysical Research, v. 115, n. D00L14, 12 p., doi: 10.1029/2010JD013987 .

Gestrich, J.E., Fee, David, Matoza, R.S., Lyons, J.J., and Ruiz, Mario, 2021, Fitting jet noise similarity spectra to volcano infrasound data: Earth and Space Science, v. 8, article no. e2021EA0018944, 16 p.

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