A M 7.8 quake shook the Aleutian Islands this morning. The Alaska earthquake likely occurred along the subduction interface. The Aleutian arc is no stranger to large quakes, having hosted more than 20 M 7.0+ over the past 100 years, including a nearby M 8.2 in 1938.
- Aleutian 12 month earthquake forecast - October 21, 2020
- Earthquake hazard maps may overestimate shaking dangers - October 20, 2020
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