The April 2, 1922 earthquake
M6.5near Akutan, Alaska
A magnitude 6.5 earthquake 21.7 miles deep, 11.0 miles off Aleutians East Borough. The 182nd strongest in Alaska’s record since 1900, and the strongest within 50 miles in the catalogue, which runs from 1900.
The earthquake
- Magnitude
- 6.5
- moment magnitude (mw)
- Depth
- 21.7 mi
- 35.0 km below the surface
- Local time
- Sunday, April 2, 1922
- 09:17 AST; 19:17 UTC
- In Alaska’s record
- 182nd
- strongest of 124,625 since 1900
USGS ANSS Comprehensive Earthquake Catalog, event iscgem911853 (“59 km ESE of Akutan, Alaska”). The USGS event page carries the ShakeMap, felt reports and the official summary.
Counties and cities within 50 miles
Distance from the epicentre to each county boundary (zero when inside) and to each city centre.
Counties
- Aleutians East BoroughAK · 11.0 mi
- Aleutians West Census AreaAK · 44.6 mi
Earthquakes around the epicentre
1,711 earthquakes of magnitude 3 or more within 50 miles of this epicentre since 1973.
No earlier earthquake of magnitude 5 or more within 50 miles in the catalogue since 1900.
USGS ANSS Comprehensive Earthquake Catalog. Local time is the time zone of the county nearest the epicentre. Magnitudes are as the catalogue reports them.