M3.3 earthquake 28km ESE of Olancha, CA
A magnitude 3.3 earthquake struck 28km ESE of Olancha, CA on Mon, Jun 22, 1942, 4:53 PM GMT-7 (23:53 UTC), 6 km (4 mi) below the surface.
A larger quake followed: M3.6 15km ESE of Olancha, CA. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.3 (ml), minor
- Local time
- UTC
- 1942-06-22 23:53:27 UTC
- Depth
- 6.0 km (3.7 mi), shallow
- Epicenter
- 36.223° N, 117.704° W
- Region
- California
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 2.5 km horizontally, 31.6 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- Operator assigned
- Station coverage gap
- 217°, poorly surrounded by stations
- Stations used
- 3
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 2 in the 30 days before it.
After
- 3.615km ESE of Olancha, CA · 30761 days ago · 0 km deep · 14 km away
- 3.318km NE of Coso Junction, CA · 30741 days ago · 6 km deep · 11 km away
- 2.918km ESE of Kernville, CA · 30740 days ago · 6 km deep · 75 km away
- 3.111km ESE of Kernville, CA · 30724 days ago · 6 km deep · 79 km away
Before
Earthquakes todayCalifornia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ci3366021. Read Tue, Sep 22, 2026, 6:56 AM UTC.