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Rob Witter

View of a bay with buildings and vehicles in the foreground
Posted inFeatures

Seismic Sources in the Aleutian Cradle of Tsunamis

by Rob Witter, Rich Briggs, Tina Dura, Simon Engelhart and Alan Nelson 26 September 202226 September 2022

Research over the past decade in Alaska’s Aleutian Islands has offered surprising insights into the pulses of great earthquakes that generate dangerous, often long-distance tsunamis.

Geologist points at a rock feature in a cliff.
Posted inScience Updates

Addressing Cascadia Subduction Zone Great Earthquake Recurrence

by L. Staisch, M. Walton and Rob Witter 2 July 201918 January 2022

USGS Powell Center Cascadia Earthquake Hazards Working Group; Fort Collins, Colorado, 25–29 March 2019

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