California earthquakes

M2.9 earthquake 10km N of Cabazon, CA

A magnitude 2.9 earthquake struck 10km N of Cabazon, CA on Fri, Apr 20, 1945, 8:21 AM GMT-7 (15:21 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.9 12km ENE of Cabazon, CA. This one was a foreshock.

Cabazon 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
2.9 (ml), micro
Local time
UTC
1945-04-20 15:21:25 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
34.007° N, 116.798° 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 3.4 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.23
Depth from
Operator assigned
Station coverage gap
262°, 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: 11 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 2.517km ESE of Anza, CA · 29730 days ago · 5 km deep · 63 km away
  2. 2.912km ENE of Cabazon, CA · 29726 days ago · 6 km deep · 13 km away
  3. 3.026km NE of Indio, CA · 29724 days ago · 0 km deep · 75 km away
  4. 3.215km ESE of Lucerne Valley, CA · 29717 days ago · 6 km deep · 43 km away
  5. 2.911km SSW of Idyllwild, CA · 29715 days ago · 5 km deep · 39 km away
  6. 3.09km NNW of Joshua Tree, CA · 29713 days ago · 6 km deep · 48 km away
  7. 2.811km ENE of Joshua Tree, CA · 29710 days ago · 6 km deep · 58 km away
  8. 2.810km WNW of Lucerne Valley, CA · 29701 days ago · 6 km deep · 58 km away
  9. 3.25km NW of Norco, CA · 29700 days ago · 0 km deep · 73 km away
  10. 2.310km SW of Wrightwood, CA · 29682 days ago · 7 km deep · 90 km away
  11. 3.34km E of Yucaipa, CA · 29682 days ago · 13 km deep · 18 km away

Before

  1. 2.718km ENE of Lucerne Valley, CA · 29740 days ago · 6 km deep · 57 km away
  2. 4.39km S of Lucerne Valley, CA · 29742 days ago · 6 km deep · 43 km away
  3. 2.910km NNE of Running Springs, CA · 29744 days ago · 0 km deep · 40 km away
  4. 2.410km N of Big Bear City, CA · 29747 days ago · 6 km deep · 38 km away
  5. 2.47km N of Big Bear City, CA · 29747 days ago · 6 km deep · 36 km away
  6. 2.616km NE of Lucerne Valley, CA · 29750 days ago · 6 km deep · 61 km away
  7. 2.618km NE of Lucerne Valley, CA · 29750 days ago · 6 km deep · 61 km away
  8. 2.815km ENE of Lucerne Valley, CA · 29753 days ago · 6 km deep · 56 km away
  9. 3.410km NNE of Cabazon, CA · 29754 days ago · 6 km deep · 4 km away
  10. 2.517km ENE of Lucerne Valley, CA · 29755 days ago · 6 km deep · 58 km away
  11. 3.614km N of Joshua Tree, CA · 29762 days ago · 6 km deep · 53 km away
  12. 2.89km NE of Joshua Tree, CA · 29762 days ago · 6 km deep · 55 km away
  13. 4.18km ENE of Joshua Tree, CA · 29762 days ago · 6 km deep · 54 km away
  14. 3.49km SSW of Big Bear Lake, CA · 29764 days ago · 11 km deep · 21 km away
  15. 3.13km NE of Mentone, CA · 29764 days ago · 5 km deep · 30 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3360929. Read Tue, Sep 22, 2026, 10:54 AM UTC.