The September 29, 1916 earthquake
M5.7Eastern San Diego County, California
A magnitude 5.7 earthquake, centred in San Diego County. The 138th strongest in California’s record since 1900, and the strongest within 50 miles since a magnitude 5.9 on June 22, 1915.
The earthquake
- Magnitude
- 5.7
- as reported (mfa)
- Depth
- —
- Not recorded
- Local time
- Friday, September 29, 1916
- 18:11 PST; 02:11 UTC on Sep 30, 1916
- In California’s record
- 138th
- strongest of 97,065 since 1900
USGS ANSS Comprehensive Earthquake Catalog, event cdmg19160930021100000 (“Eastern San Diego County, 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
- San Diego CountyCA · inside
- Imperial CountyCA · 8.7 mi
Cities, largest first
- IndioCA · 37.6 mi
- Palm DesertCA · 40.1 mi
- Cathedral CityCA · 48.6 mi
- CoachellaCA · 34.0 mi
- Palm SpringsCA · 48.7 mi
- El CentroCA · 42.4 mi
- La QuintaCA · 32.1 mi
- CalexicoCA · 50.0 mi
- BrawleyCA · 36.4 mi
- ImperialCA · 39.5 mi
- Rancho MirageCA · 43.4 mi
Earthquakes around the epicentre
2,942 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
- April 18, 1906M6.3
- June 22, 1915M6.0
- June 22, 1915M5.9
USGS ANSS Comprehensive Earthquake Catalog. Local time is the time zone of the county nearest the epicentre. Magnitudes are as the catalogue reports them.