California earthquakes

M2.7 earthquake 8km NE of Morongo Valley, CA

A magnitude 2.7 earthquake struck 8km NE of Morongo Valley, CA on Thu, Dec 1, 1949, 11:54 AM GMT-8 (19:54 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M4.0 8km ENE of Desert Hot Springs, 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
2.7 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1949-12-01 19:54:19 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
34.090° N, 116.515° 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 2.3 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.09
Depth from
Operator assigned
Station coverage gap
229°, 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: 23 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 3.13km SSE of Desert Hot Springs, CA · 28057 days ago · 6 km deep · 17 km away
  2. 2.934km WNW of Desert Center, CA · 28055 days ago · 6 km deep · 78 km away
  3. 3.138km SE of Twentynine Palms, CA · 28055 days ago · 6 km deep · 73 km away
  4. 2.938km WNW of Desert Center, CA · 28055 days ago · 6 km deep · 73 km away
  5. 2.64km ENE of San Jacinto, CA · 28055 days ago · 2 km deep · 49 km away
  6. 3.033km E of Barstow, CA · 28054 days ago · 6 km deep · 87 km away
  7. 3.112km N of Big Bear City, CA · 28052 days ago · 6 km deep · 45 km away
  8. 3.139km NW of Desert Center, CA · 28046 days ago · 6 km deep · 74 km away
  9. 3.327km SSE of Twentynine Palms, CA · 28045 days ago · 6 km deep · 54 km away
  10. 2.68km SSW of Lytle Creek, CA · 28036 days ago · 4 km deep · 93 km away
  11. 3.428km SE of Twentynine Palms, CA · 28033 days ago · 6 km deep · 60 km away
  12. 2.78km W of Woodcrest, CA · 28033 days ago · 4 km deep · 88 km away
  13. 2.611km SSE of Yucca Valley, CA · 28031 days ago · 6 km deep · 13 km away
  14. 2.312km NNW of Big Bear City, CA · 28031 days ago · 6 km deep · 45 km away
  15. 3.89km ENE of Yucaipa, CA · 28027 days ago · 0 km deep · 41 km away
  16. 3.116km ENE of Coachella, CA · 28027 days ago · 6 km deep · 59 km away
  17. 4.08km ENE of Desert Hot Springs, CA · 28023 days ago · 6 km deep · 16 km away
  18. 3.036km NW of Ludlow, CA · 28021 days ago · 6 km deep · 93 km away
  19. 2.89km ESE of Running Springs, CA · 28017 days ago · 9 km deep · 48 km away
  20. 3.33km NE of Borrego Springs, CA · 28009 days ago · 6 km deep · 92 km away
  21. 2.86km NE of Borrego Springs, CA · 28009 days ago · 6 km deep · 90 km away
  22. 2.85km E of Desert Hot Springs, CA · 28008 days ago · 15 km deep · 15 km away
  23. 2.55km W of Mira Loma, CA · 28007 days ago · 1 km deep · 98 km away

Before

  1. 2.86km ENE of Desert Hot Springs, CA · 28073 days ago · 6 km deep · 14 km away
  2. 2.01km SE of Loma Linda, CA · 28073 days ago · 16 km deep · 68 km away
  3. 2.64km NW of Running Springs, CA · 28076 days ago · 3 km deep · 60 km away
  4. 3.632km E of Barstow, CA · 28084 days ago · 6 km deep · 87 km away
  5. 3.232km SE of Twentynine Palms, CA · 28084 days ago · 6 km deep · 67 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3354809. Read Sun, Oct 4, 2026, 1:54 PM UTC.