California earthquakes

M4.0 earthquake 8km WSW of Devore, CA

A magnitude 4.0 earthquake struck 8km WSW of Devore, CA on Tue, Dec 27, 1938, 2:09 AM GMT-8 (10:09 UTC), 11 km (7 mi) below the surface.

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Map

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

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The earthquake

Magnitude
4.0 (ml), minor
Local time
UTC
1938-12-27 10:09:27 UTC
Depth
10.7 km (6.7 mi), shallow
Epicenter
34.187° N, 117.475° 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 0.9 km horizontally, 1.4 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
167°
Stations used
5

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 19 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 2.82km NNW of Fountain Valley, CA · 32040 days ago · 6 km deep · 68 km away
  2. 2.51km SE of Huntington Beach, CA · 32040 days ago · 6 km deep · 73 km away
  3. 2.33km S of Huntington Beach, CA · 32040 days ago · 6 km deep · 75 km away
  4. 2.35km ESE of Running Springs, CA · 32038 days ago · 6 km deep · 38 km away
  5. 3.25km NE of Running Springs, CA · 32038 days ago · 6 km deep · 38 km away
  6. 2.71km SSW of Bell Gardens, CA · 32036 days ago · 6 km deep · 68 km away
  7. 2.13km SE of Huntington Beach, CA · 32031 days ago · 6 km deep · 73 km away
  8. 3.310km W of Garnet, CA · 32030 days ago · 6 km deep · 81 km away
  9. 1.82km WNW of Westminster, CA · 32027 days ago · 6 km deep · 69 km away
  10. 1.72km SSE of Rossmoor, CA · 32021 days ago · 6 km deep · 73 km away
  11. 2.60km SSE of Long Beach, CA · 32021 days ago · 6 km deep · 76 km away
  12. 2.69km ENE of Lake Elsinore, CA · 32021 days ago · 6 km deep · 60 km away
  13. 2.42km W of Hesperia, CA · 32020 days ago · 6 km deep · 30 km away
  14. 1.915km W of Adelanto, CA · 32016 days ago · 6 km deep · 45 km away
  15. 2.92km N of Maywood, CA · 32006 days ago · 6 km deep · 69 km away
  16. 2.65km WSW of Marina del Rey, CA · 32000 days ago · 6 km deep · 98 km away
  17. 2.57km N of Rancho Cucamonga, CA · 31997 days ago · 14 km deep · 9 km away
  18. 1.913km NE of Sunland, CA · 31995 days ago · 6 km deep · 71 km away
  19. 3.010km E of Cabazon, CA · 31993 days ago · 6 km deep · 80 km away

Before

  1. 2.413km S of Big Bear City, CA · 32053 days ago · 6 km deep · 60 km away
  2. 3.16km E of Riverside, CA · 32056 days ago · 23 km deep · 30 km away
  3. 2.43km ESE of San Pedro, CA · 32064 days ago · 6 km deep · 89 km away
  4. 3.84km N of Marina del Rey, CA · 32066 days ago · 3 km deep · 92 km away
  5. 3.24km NNE of San Jacinto, CA · 32069 days ago · 6 km deep · 64 km away
  6. 2.24km W of Santa Monica, CA · 32074 days ago · 6 km deep · 100 km away
  7. 3.95km SSW of Marina del Rey, CA · 32074 days ago · 6 km deep · 96 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3364835. Read Tue, Sep 22, 2026, 7:54 AM UTC.