California earthquakes

M2.6 earthquake 7km W of Grapevine, CA

A magnitude 2.6 earthquake struck 7km W of Grapevine, CA on Tue, Mar 7, 1939, 3:26 PM GMT-8 (23:26 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.7 15km WSW of Lake Hughes, CA. This one was a foreshock.

Lake of the Woods forecastMore in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.6 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1939-03-07 23:26:20 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
34.940° N, 119.005° W
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 7.1 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.04
Depth from
Operator assigned
Station coverage gap
346°, 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 8 in the 30 days before it.

After

  1. 2.715km WSW of Lake Hughes, CA · 31981 days ago · 6 km deep · 52 km away
  2. 2.311km WNW of Neenach, CA · 31954 days ago · 6 km deep · 30 km away
  3. 2.52km SSE of Grapevine, CA · 31946 days ago · 6 km deep · 8 km away

Before

  1. 3.810km NW of Frazier Park, CA · 31985 days ago · 6 km deep · 8 km away
  2. 3.24km W of Grapevine, CA · 31997 days ago · 6 km deep · 3 km away
  3. 2.912km NNW of Grapevine, CA · 31997 days ago · 6 km deep · 10 km away
  4. 3.36km WNW of Grapevine, CA · 31997 days ago · 6 km deep · 3 km away
  5. 4.69km WSW of Grapevine, CA · 31997 days ago · 6 km deep · 4 km away
  6. 3.010km WNW of Grapevine, CA · 31997 days ago · 6 km deep · 5 km away
  7. 4.411km NNW of Grapevine, CA · 31997 days ago · 6 km deep · 10 km away
  8. 1.913km NE of Sunland, CA · 32004 days ago · 6 km deep · 97 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3364917. Read Thu, Oct 1, 2026, 10:58 AM UTC.