M2.7 earthquake 20km WNW of Grapevine, CA
A magnitude 2.7 earthquake struck 20km WNW of Grapevine, CA on Sun, Feb 9, 1941, 10:53 AM GMT-8 (18:53 UTC), 6 km (4 mi) below the surface.
A larger quake followed: M3.6 6km NNW of Piru, CA. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.7 (ml), micro
- Local time
- UTC
- 1941-02-09 18:53:41 UTC
- Depth
- 6.0 km (3.7 mi), shallow
- Epicenter
- 35.025° N, 119.120° 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 3.6 km horizontally, 31.6 km in depth
- Magnitude uncertainty
- ±0.04
- Depth from
- Operator assigned
- Station coverage gap
- 264°, poorly surrounded by stations
- Stations used
- 4
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 8 in the 30 days before it.
After
- 2.69km SW of Carpinteria, CA · 31271 days ago · 6 km deep · 87 km away
- 2.412km S of Santa Barbara, CA · 31266 days ago · 6 km deep · 96 km away
- 3.66km NNW of Piru, CA · 31260 days ago · 6 km deep · 68 km away
- 3.410km W of Rosedale, CA · 31239 days ago · 6 km deep · 43 km away
- 3.321km ENE of Maricopa, CA · 31222 days ago · 6 km deep · 17 km away
Before
- 2.925km N of Goleta, CA · 31277 days ago · 6 km deep · 74 km away
- 2.925km N of Goleta, CA · 31277 days ago · 6 km deep · 73 km away
- 2.827km NNE of Montecito, CA · 31283 days ago · 6 km deep · 56 km away
- 2.31km NNW of Frazier Park, CA · 31285 days ago · 6 km deep · 27 km away
- 3.08km SSE of Shafter, CA · 31286 days ago · 6 km deep · 46 km away
- 3.15km NW of Rosedale, CA · 31288 days ago · 6 km deep · 43 km away
- 4.010km S of Shafter, CA · 31291 days ago · 6 km deep · 45 km away
- 2.419km SSE of Pine Mountain Club, CA · 31296 days ago · 6 km deep · 38 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event ci3365553. Read Tue, Sep 22, 2026, 8:47 PM UTC.