M3.3 earthquake 20km NNW of Tehachapi, CA
A magnitude 3.3 earthquake struck 20km NNW of Tehachapi, CA on Wed, Aug 30, 1961, 9:31 PM GMT-7 (04:31 UTC), 6 km (4 mi) below the surface.
A larger quake followed: M4.1 10km NNW of Tehachapi, 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
- 1961-08-31 04:31:20 UTC
- Depth
- 6.0 km (3.7 mi), shallow
- Epicenter
- 35.298° N, 118.546° 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 1.5 km horizontally, 31.6 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- Operator assigned
- Station coverage gap
- 87°
- Stations used
- 8
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.110km NNW of Tehachapi, CA · 23762 days ago · 6 km deep · 10 km away
- 3.010km NNW of Tehachapi, CA · 23761 days ago · 6 km deep · 10 km away
- 3.317km NW of Grapevine, CA · 23756 days ago · 1 km deep · 55 km away
- 3.015km WSW of Tehachapi, CA · 23729 days ago · 6 km deep · 23 km away
- 3.212km S of Arvin, CA · 23723 days ago · 6 km deep · 32 km away
- 3.513km SE of Little Lake, CA · 23714 days ago · 0 km deep · 89 km away
- 5.113km SE of Little Lake, CA · 23714 days ago · 6 km deep · 93 km away
- 2.516km SSE of Little Lake, CA · 23714 days ago · 6 km deep · 88 km away
Before
Earthquakes todayCalifornia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ci3344789. Read Tue, Sep 22, 2026, 3:33 PM UTC.