The July 12, 1944 earthquake
M6.1near Stanley, Idaho
A magnitude 6.1 earthquake 6.2 miles deep, centred in Custer County. The 3rd strongest in Idaho’s record since 1900, and the strongest within 50 miles in the catalogue, which runs from 1900.
The earthquake
- Magnitude
- 6.1
- surface-wave magnitude (ms)
- Depth
- 6.2 mi
- 10.0 km below the surface
- Local time
- Wednesday, July 12, 1944
- 13:30 MWT; 19:30 UTC
- In Idaho’s record
- 3rd
- strongest of 3,958 since 1900
USGS ANSS Comprehensive Earthquake Catalog, event iscgemsup899460 (“37 km N of Stanley, Idaho”). 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
- Custer CountyID · inside
- Lemhi CountyID · 10.1 mi
- Valley CountyID · 11.7 mi
- Boise CountyID · 22.7 mi
- Elmore CountyID · 35.7 mi
- Blaine CountyID · 39.2 mi
- Idaho CountyID · 45.3 mi
- Camas CountyID · 48.6 mi
Earthquakes around the epicentre
1,029 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.