The March 25, 1932 earthquake
M6.8Alaska Range, about 220 km NW of Anchorage
A magnitude 6.8 earthquake 9.3 miles deep, centred in Matanuska-Susitna Borough. The 109th strongest in Alaska’s record since 1900, and the strongest within 50 miles in the catalogue, which runs from 1900.
The earthquake
- Magnitude
- 6.8
- moment magnitude (mw)
- Depth
- 9.3 mi
- 15.0 km below the surface
- Local time
- Friday, March 25, 1932
- 13:58 AST; 23:58 UTC
- In Alaska’s record
- 109th
- strongest of 124,625 since 1900
USGS ANSS Comprehensive Earthquake Catalog, event iscgem906081 (“Alaska Range, about 220 km NW of Anchorage”). 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
- Matanuska-Susitna BoroughAK · inside
- Yukon-Koyukuk Census AreaAK · 10.7 mi
- Denali BoroughAK · 10.7 mi
- Bethel Census AreaAK · 19.4 mi
Earthquakes around the epicentre
168 earthquakes of magnitude 3 or more within 50 miles of this epicentre since 1973.
Earlier earthquakes of magnitude 5 or more within 50 miles, strongest first
- March 25, 1932M6.0
USGS ANSS Comprehensive Earthquake Catalog. Local time is the time zone of the county nearest the epicentre. Magnitudes are as the catalogue reports them.