The June 6, 1918 earthquake
M5.0near San Jacinto, California
A magnitude 5.0 earthquake, centred in Riverside County. The 451st strongest in California’s record since 1900, and the strongest within 50 miles since a magnitude 6.7 on April 21, 1918.
The earthquake
- Magnitude
- 5.0
- local magnitude (ml)
- Depth
- —
- Not recorded
- Local time
- Thursday, June 6, 1918
- 15:32 PDT; 22:32 UTC
- In California’s record
- 451st
- strongest of 97,065 since 1900
USGS ANSS Comprehensive Earthquake Catalog, event ushis635 (“4 km WNW of San Jacinto, 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
- Riverside CountyCA · inside
- San Bernardino CountyCA · 14.7 mi
- Orange CountyCA · 25.7 mi
- San Diego CountyCA · 28.0 mi
- Los Angeles CountyCA · 44.6 mi
Cities, largest first
- AnaheimCA · 43.7 mi
- RiversideCA · 24.5 mi
- IrvineCA · 45.1 mi
- San BernardinoCA · 29.0 mi
- FontanaCA · 34.1 mi
- Moreno ValleyCA · 14.6 mi
- OntarioCA · 38.4 mi
- Rancho CucamongaCA · 39.7 mi
- OceansideCA · 43.5 mi
- CoronaCA · 32.7 mi
- PomonaCA · 47.1 mi
- EscondidoCA · 46.3 mi
Earthquakes around the epicentre
2,646 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 21, 1918M6.7
- May 15, 1910M6.0
- September 19, 1907M5.3
- May 12, 1910M5.0
- April 10, 1910M5.0
USGS ANSS Comprehensive Earthquake Catalog. Local time is the time zone of the county nearest the epicentre. Magnitudes are as the catalogue reports them.