California earthquakes

M2.3 earthquake 5km SSW of Anza, CA

A magnitude 2.3 earthquake struck 5km SSW of Anza, CA on Mon, Mar 10, 1947, 4:04 AM GMT-8 (12:04 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M3.0 9km ENE of Big Bear City, CA. This one was a foreshock.

Anza 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
2.3 (ml), micro
Local time
UTC
1947-03-10 12:04:37 UTC
Depth
0.0 km (0.0 mi), shallow
Epicenter
33.516° N, 116.699° 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 11.1 km horizontally, 15.7 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
270°, poorly surrounded by stations
Stations used
4

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 16 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 3.09km ENE of Big Bear City, CA · 29050 days ago · 6 km deep · 86 km away
  2. 2.44km SSE of Redlands, CA · 29043 days ago · 6 km deep · 71 km away
  3. 2.414km NW of Anza, CA · 29041 days ago · 4 km deep · 15 km away
  4. 2.58km SW of Anza, CA · 29038 days ago · 0 km deep · 4 km away
  5. 2.48km NE of Joshua Tree, CA · 29037 days ago · 6 km deep · 85 km away
  6. 2.45km NNW of Cabazon, CA · 29035 days ago · 6 km deep · 50 km away
  7. 2.612km NNE of Trabuco Canyon, CA · 29032 days ago · 6 km deep · 81 km away
  8. 2.77km N of Indian Wells, CA · 29032 days ago · 6 km deep · 46 km away
  9. 2.920km NE of Thermal, CA · 29024 days ago · 6 km deep · 72 km away
  10. 2.412km NE of Cabazon, CA · 29023 days ago · 6 km deep · 54 km away
  11. 2.414km ENE of Big Bear City, CA · 29020 days ago · 6 km deep · 90 km away
  12. 3.122km NW of Ocotillo, CA · 29020 days ago · 6 km deep · 87 km away
  13. 2.910km NNW of Morongo Valley, CA · 29019 days ago · 6 km deep · 68 km away
  14. 3.423km NNE of Ocotillo, CA · 29016 days ago · 6 km deep · 96 km away
  15. 3.215km NNW of Ocotillo Wells, CA · 29009 days ago · 6 km deep · 54 km away
  16. 3.117km NNE of Joshua Tree, CA · 28994 days ago · 6 km deep · 94 km away

Before

  1. 2.713km SSE of Valle Vista, CA · 29056 days ago · 3 km deep · 19 km away
  2. 2.59km NE of Aguanga, CA · 29058 days ago · 6 km deep · 9 km away
  3. 3.110km ESE of Desert Hot Springs, CA · 29058 days ago · 6 km deep · 53 km away
  4. 2.631km N of Yucca Valley, CA · 29059 days ago · 6 km deep · 99 km away
  5. 2.99km S of Salton City, CA · 29065 days ago · 6 km deep · 78 km away
  6. 2.811km NNE of North Shore, CA · 29065 days ago · 6 km deep · 75 km away
  7. 2.25km SSE of Desert Hot Springs, CA · 29066 days ago · 6 km deep · 49 km away
  8. 2.97km E of Running Springs, CA · 29077 days ago · 6 km deep · 84 km away
  9. 2.74km NE of Cabazon, CA · 29077 days ago · 6 km deep · 47 km away
  10. 2.83km NE of Running Springs, CA · 29079 days ago · 6 km deep · 87 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3358905. Read Tue, Sep 22, 2026, 4:13 PM UTC.