California earthquakes

M3.0 earthquake 14km WNW of Morongo Valley, CA

A magnitude 3.0 earthquake struck 14km WNW of Morongo Valley, CA on Wed, Dec 27, 1950, 12:14 PM GMT-8 (20:14 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.8 6km E of Mecca, CA. This one was a foreshock.

Morongo Valley 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
3.0 (ml), micro
Local time
UTC
1950-12-27 20:14:32 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
34.090° N, 116.718° 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 1.3 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.07
Depth from
Operator assigned
Station coverage gap
272°, poorly surrounded by stations
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 16 in the 30 days before it.

After

  1. 3.86km E of Mecca, CA · 27662 days ago · 6 km deep · 87 km away
  2. 2.02km WNW of Fontana, CA · 27662 days ago · 10 km deep · 71 km away
  3. 3.54km SE of Desert Hot Springs, CA · 27660 days ago · 6 km deep · 28 km away
  4. 2.42km NNW of Phelan, CA · 27652 days ago · 7 km deep · 88 km away
  5. 2.85km NNE of Anza, CA · 27651 days ago · 6 km deep · 55 km away
  6. 2.85km SSE of Mentone, CA · 27632 days ago · 7 km deep · 36 km away
  7. 2.83km ESE of Calimesa, CA · 27615 days ago · 3 km deep · 31 km away
  8. 4.711km SE of Anza, CA · 27613 days ago · 3 km deep · 68 km away
  9. 4.621km SE of Anza, CA · 27613 days ago · 6 km deep · 74 km away
  10. 3.118km ESE of Anza, CA · 27613 days ago · 14 km deep · 71 km away
  11. 2.76km N of Lytle Creek, CA · 27609 days ago · 12 km deep · 76 km away
  12. 3.123km NNW of Borrego Springs, CA · 27606 days ago · 4 km deep · 75 km away
  13. 3.333km SE of Twentynine Palms, CA · 27603 days ago · 6 km deep · 84 km away

Before

  1. 2.718km ESE of Anza, CA · 27663 days ago · 2 km deep · 69 km away
  2. 3.26km S of Ontario, CA · 27664 days ago · 6 km deep · 83 km away
  3. 3.914km N of Warner Springs, CA · 27668 days ago · 9 km deep · 76 km away
  4. 2.15km S of Loma Linda, CA · 27672 days ago · 16 km deep · 50 km away
  5. 2.910km SSE of Anza, CA · 27677 days ago · 3 km deep · 69 km away
  6. 2.432km SE of Twentynine Palms, CA · 27677 days ago · 6 km deep · 85 km away
  7. 2.437km WNW of Desert Center, CA · 27677 days ago · 6 km deep · 93 km away
  8. 2.436km SE of Twentynine Palms, CA · 27677 days ago · 6 km deep · 84 km away
  9. 2.12km NW of Lake Arrowhead, CA · 27677 days ago · 1 km deep · 48 km away
  10. 2.010km ESE of Anza, CA · 27678 days ago · 0 km deep · 64 km away
  11. 2.36km S of Anza, CA · 27680 days ago · 0 km deep · 66 km away
  12. 3.310km NNW of Borrego Springs, CA · 27680 days ago · 6 km deep · 88 km away
  13. 2.22km NNW of Redlands, CA · 27681 days ago · 16 km deep · 43 km away
  14. 2.26km NE of Fontana, CA · 27683 days ago · 12 km deep · 65 km away
  15. 1.86km N of Fontana, CA · 27685 days ago · 17 km deep · 68 km away
  16. 2.09km ESE of Aguanga, CA · 27686 days ago · 0 km deep · 75 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3342439. Read Tue, Sep 22, 2026, 10:30 AM UTC.