California earthquakes

M3.1 earthquake 4km NE of Brea, CA

A magnitude 3.1 earthquake struck 4km NE of Brea, CA on Thu, Jul 6, 1950, 9:38 PM GMT-7 (04:38 UTC), 6 km (4 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
3.1 (ml), minor
Local time
UTC
1950-07-07 04:38:34 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
33.944° N, 117.863° 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 1.4 km horizontally, 32.6 km in depth
Magnitude uncertainty
±0.15
Depth from
Operator assigned
Station coverage gap
185°, poorly surrounded by stations
Stations used
6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 1.84km ESE of Panorama City, CA · 27832 days ago · 6 km deep · 58 km away
  2. 2.311km SSE of San Pedro, CA · 27827 days ago · 6 km deep · 47 km away
  3. 2.94km NNW of Redlands, CA · 27817 days ago · 25 km deep · 64 km away
  4. 2.44km S of Pearblossum, CA · 27814 days ago · 0 km deep · 58 km away
  5. 2.34km ESE of Rubidoux, CA · 27795 days ago · 17 km deep · 46 km away
  6. 1.80km WSW of Muscoy, CA · 27794 days ago · 6 km deep · 53 km away
  7. 2.77km SSE of Lytle Creek, CA · 27794 days ago · 1 km deep · 46 km away
  8. 2.55km SE of Agoura Hills, CA · 27793 days ago · 6 km deep · 82 km away
  9. 2.75km SSE of Moorpark, CA · 27792 days ago · 6 km deep · 98 km away
  10. 2.18km N of Banning, CA · 27789 days ago · 13 km deep · 90 km away
  11. 2.85km SSE of Mentone, CA · 27788 days ago · 5 km deep · 70 km away
  12. 2.64km N of Big Bear Lake, CA · 27784 days ago · 6 km deep · 96 km away
  13. 2.15km SSW of Wrightwood, CA · 27783 days ago · 13 km deep · 46 km away
  14. 3.02km S of Loma Linda, CA · 27780 days ago · 19 km deep · 56 km away
  15. 2.34km ESE of Big Bear Lake, CA · 27779 days ago · 6 km deep · 96 km away

Before

  1. 2.32km SSW of Fountain Valley, CA · 27839 days ago · 6 km deep · 30 km away
  2. 3.224km NE of Avalon, CA · 27850 days ago · 6 km deep · 56 km away
  3. 2.612km N of Avalon, CA · 27850 days ago · 6 km deep · 69 km away
  4. 2.46km E of Valle Vista, CA · 27850 days ago · 6 km deep · 98 km away
  5. 2.46km ESE of Yucaipa, CA · 27859 days ago · 14 km deep · 82 km away
  6. 2.35km SE of Simi Valley, CA · 27860 days ago · 6 km deep · 84 km away
  7. 2.42km NW of Fountain Valley, CA · 27861 days ago · 6 km deep · 26 km away
  8. 2.02km ENE of Inglewood, CA · 27864 days ago · 6 km deep · 43 km away
  9. 2.821km S of Malibu Beach, CA · 27865 days ago · 6 km deep · 74 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3344193. Read Tue, Sep 22, 2026, 10:30 PM UTC.