The January 24, 1985 earthquake
M5.2near Mono City, California
A magnitude 5.2 earthquake 6.3 miles deep, centred in Mono County. The 328th strongest in California’s record since 1900, and the strongest within 50 miles since a magnitude 5.6 on November 26, 1984.
The earthquake
- Magnitude
- 5.2
- local magnitude (ml)
- Depth
- 6.3 mi
- 10.1 km below the surface
- Local time
- Thursday, January 24, 1985
- 03:27 PST; 11:27 UTC
- In California’s record
- 328th
- strongest of 97,065 since 1900
USGS ANSS Comprehensive Earthquake Catalog, event nc38526 (“31 km ENE of Mono City, California”). 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
- Mono CountyCA · inside
- Lyon CountyNV · 18.6 mi
- Mineral CountyNV · 18.6 mi
- Tuolumne CountyCA · 27.9 mi
- Esmeralda CountyNV · 28.1 mi
- Madera CountyCA · 33.7 mi
- Mariposa CountyCA · 37.2 mi
- Douglas CountyNV · 38.3 mi
- Fresno CountyCA · 41.0 mi
- Alpine CountyCA · 44.1 mi
- Inyo CountyCA · 48.0 mi
Earthquakes around the epicentre
4,042 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
- January 30, 1934M6.3
- May 27, 1980M6.2
- May 25, 1980M6.1
- November 21, 1910M6.1
- November 23, 1984M6.1
- May 25, 1980M6.1
- September 14, 1941M6.0
- September 14, 1941M6.0
- May 25, 1980M6.0
- September 30, 1981M5.9
USGS ANSS Comprehensive Earthquake Catalog. Local time is the time zone of the county nearest the epicentre. Magnitudes are as the catalogue reports them.