M2.8 earthquake 18km SW of Tehachapi, CA
A magnitude 2.8 earthquake struck 18km SW of Tehachapi, CA on Tue, Jun 23, 1964, 12:04 PM GMT-7 (19:04 UTC), 6 km (4 mi) below the surface.
A larger quake followed: M3.3 1km ESE of Grapevine, CA. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.8 (ml), micro
- Local time
- UTC
- 1964-06-23 19:04:09 UTC
- Depth
- 6.0 km (3.7 mi), shallow
- Epicenter
- 35.034° N, 118.609° 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 1.4 km horizontally, 31.6 km in depth
- Magnitude uncertainty
- ±0.17
- Depth from
- Operator assigned
- Station coverage gap
- 89°
- Stations used
- 10
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 4 in the 30 days before it.
After
- 3.08km SE of Santa Clarita, CA · 22726 days ago · 1 km deep · 76 km away
- 2.14km NW of Granada Hills, CA · 22726 days ago · 5 km deep · 83 km away
- 2.817km SSW of Pine Mountain Club, CA · 22723 days ago · 6 km deep · 67 km away
- 3.126km WNW of Inyokern, CA · 22720 days ago · 6 km deep · 92 km away
- 3.31km ESE of Grapevine, CA · 22702 days ago · 6 km deep · 30 km away
- 2.94km SE of Bodfish, CA · 22686 days ago · 0 km deep · 60 km away
Before
Earthquakes todayCalifornia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ci3330905. Read Mon, Sep 28, 2026, 12:51 PM UTC.