California earthquakes

M2.6 earthquake 13km SE of Anza, CA

A magnitude 2.6 earthquake struck 13km SE of Anza, CA on Fri, Apr 23, 1937, 9:16 AM GMT-8 (17:16 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.8 19km ESE of Anza, 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
2.6 (ml), micro
Local time
UTC
1937-04-23 17:16:07 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
33.484° N, 116.562° 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 5.5 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
276°, poorly surrounded by stations
Stations used
3

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 44 in the 30 days before it.

After

  1. 2.819km ESE of Anza, CA · 32659 days ago · 6 km deep · 7 km away
  2. 2.916km NNE of Warner Springs, CA · 32655 days ago · 6 km deep · 8 km away
  3. 2.519km S of La Quinta, CA · 32650 days ago · 6 km deep · 21 km away
  4. 2.423km NNW of Borrego Springs, CA · 32650 days ago · 6 km deep · 10 km away
  5. 2.520km W of Oasis, CA · 32649 days ago · 6 km deep · 23 km away
  6. 2.50km NNE of Indio, CA · 32641 days ago · 6 km deep · 42 km away
  7. 2.72km SSW of Coachella, CA · 32639 days ago · 6 km deep · 41 km away
  8. 2.62km NNW of Indian Wells, CA · 32637 days ago · 6 km deep · 36 km away
  9. 3.020km ESE of Anza, CA · 32637 days ago · 6 km deep · 8 km away
  10. 2.920km NNW of Joshua Tree, CA · 32636 days ago · 6 km deep · 92 km away
  11. 2.518km N of North Shore, CA · 32634 days ago · 6 km deep · 63 km away
  12. 2.612km S of Corona, CA · 32626 days ago · 6 km deep · 97 km away
  13. 3.014km NNE of North Shore, CA · 32616 days ago · 6 km deep · 67 km away
  14. 2.89km NW of Alpine, CA · 32616 days ago · 6 km deep · 70 km away
  15. 3.43km WNW of Garnet, CA · 32611 days ago · 6 km deep · 47 km away
  16. 2.02km SW of Rancho Santa Margarita, CA · 32609 days ago · 6 km deep · 99 km away

Before

  1. 3.014km NNE of Ocotillo, CA · 32660 days ago · 6 km deep · 92 km away
  2. 3.018km SE of Anza, CA · 32666 days ago · 6 km deep · 5 km away
  3. 2.920km NE of Warner Springs, CA · 32667 days ago · 6 km deep · 9 km away
  4. 3.213km SE of Anza, CA · 32673 days ago · 6 km deep · 3 km away
  5. 3.322km NNW of Borrego Springs, CA · 32675 days ago · 6 km deep · 12 km away
  6. 3.116km SE of Anza, CA · 32676 days ago · 6 km deep · 4 km away
  7. 2.718km NNW of Borrego Springs, CA · 32677 days ago · 6 km deep · 14 km away
  8. 3.12km SW of Hemet, CA · 32677 days ago · 6 km deep · 49 km away
  9. 3.220km NNW of Borrego Springs, CA · 32677 days ago · 6 km deep · 12 km away
  10. 2.86km SE of Idyllwild, CA · 32678 days ago · 6 km deep · 27 km away
  11. 2.921km NNW of Borrego Springs, CA · 32680 days ago · 6 km deep · 10 km away
  12. 3.717km N of Borrego Springs, CA · 32684 days ago · 6 km deep · 18 km away
  13. 2.714km SSE of Winchester, CA · 32685 days ago · 6 km deep · 43 km away
  14. 2.714km N of Cabazon, CA · 32685 days ago · 6 km deep · 65 km away
  15. 3.28km N of Cabazon, CA · 32685 days ago · 6 km deep · 59 km away
  16. 3.26km SSE of Valle Vista, CA · 32685 days ago · 6 km deep · 38 km away
  17. 3.622km NNW of Borrego Springs, CA · 32686 days ago · 6 km deep · 10 km away
  18. 3.422km ESE of Anza, CA · 32686 days ago · 6 km deep · 9 km away
  19. 4.523km N of Borrego Springs, CA · 32687 days ago · 6 km deep · 14 km away
  20. 4.512 km SE of Anza, California · 32687 days ago · 16 km deep · 3 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3364221. Read Tue, Sep 22, 2026, 10:33 PM UTC.