M2.6 earthquake 6km SW of Grapevine, CA
A magnitude 2.6 earthquake struck 6km SW of Grapevine, CA on Sun, Mar 1, 1942, 5:57 AM GMT-7 (12:57 UTC), 6 km (4 mi) below the surface.
A larger quake followed: M2.9 17km S of Carpinteria, CA. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.6 (ml), micro
- Local time
- UTC
- 1942-03-01 12:57:57 UTC
- Depth
- 6.0 km (3.7 mi), shallow
- Epicenter
- 34.901° N, 118.971° 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 5.4 km horizontally, 31.6 km in depth
- Magnitude uncertainty
- ±0.01
- Depth from
- Operator assigned
- Station coverage gap
- 257°, 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: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 2.917km S of Carpinteria, CA · 30879 days ago · 6 km deep · 90 km away
- 2.712km WSW of Rosedale, CA · 30835 days ago · 6 km deep · 58 km away
Before
Earthquakes todayCalifornia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ci3365919. Read Tue, Sep 22, 2026, 9:00 PM UTC.