Articles | Volume 9, issue 2
Research article
08 Apr 2021
Research article |  | 08 Apr 2021

Reconstructing the dynamics of the highly similar May 2016 and June 2019 Iliamna Volcano (Alaska) ice–rock avalanches from seismoacoustic data

Liam Toney, David Fee, Kate E. Allstadt, Matthew M. Haney, and Robin S. Matoza

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Cited articles

Allstadt, K., McVey, B., and Malone, S.: Seismogenic landslides, debris flows, and outburst floods in the western United States and Canada from 1977 to 2017, U.S. Geological Survey data release,, 2017. a
Allstadt, K. E.: Extracting source characteristics and dynamics of the August 2010 Mount Meager landslide from broadband seismograms, J. Geophys. Res.-Earth, 118, 1472–1490,, 2013. a, b, c, d, e, f, g, h
Allstadt, K. E. and Toney, L.: lsforce (Version 1.0.1), U.S. Geological Survey software release,, 2020. a
Allstadt, K. E., Matoza, R. S., Lockhart, A. B., Moran, S. C., Caplan-Auerbach, J., Haney, M. M., Thelen, W. A., and Malone, S. D.: Seismic and acoustic signatures of surficial mass movements at volcanoes, J. Volcanol. Geoth. Res., 364, 76–106,, 2018. a, b, c, d, e, f, g, h, i
Aster, R., Borchers, B., and Thurber, C.: Parameter Estimation and Inverse Problems, Elsevier,, 2013. a
Short summary
Large avalanches composed of ice and rock are a serious hazard to mountain communities and backcountry travellers. These processes shake the Earth and disturb the atmosphere, generating seismic waves and sound waves which can travel for hundreds of kilometers. In this study, we use the seismic waves and sound waves produced by two massive avalanches on a volcano in Alaska to reconstruct how the avalanches failed. Our method may assist with rapid emergency response to these global hazards.