M2.3 earthquake 17km ESE of Big Pine, CA
A magnitude 2.3 earthquake struck 17km ESE of Big Pine, CA on Tue, Apr 4, 1950, 1:40 AM GMT-8 (09:40 UTC), 6 km (4 mi) below the surface.
A larger quake followed: M2.5 22km W of West Bishop, CA. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.3 (ml), micro
- Local time
- UTC
- 1950-04-04 09:40:55 UTC
- Depth
- 6.0 km (3.7 mi), shallow
- Epicenter
- 37.104° N, 118.110° 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 2.6 km horizontally, 31.6 km in depth
- Magnitude uncertainty
- ±0.40
- Depth from
- Operator assigned
- Station coverage gap
- 279°, 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: 3 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayCalifornia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ci3366664. Read Tue, Sep 22, 2026, 9:32 PM UTC.