California earthquakes

M3.7 earthquake 4km NE of Heber, CA

A magnitude 3.7 earthquake struck 4km NE of Heber, CA on Wed, Jun 5, 1940, 2:53 PM GMT-8 (22:53 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M4.3 4km NE of Heber, CA. This one was a foreshock.

Heber 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
3.7 (ml), minor
Local time
UTC
1940-06-05 22:53:46 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
32.750° N, 115.500° 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 99.0 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.02
Depth from
Operator assigned
Station coverage gap
357°, poorly surrounded by stations
Stations used
2

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 39 in the 30 days before it.

After

  1. 3.420km ENE of Holtville, CA · 31518 days ago · 6 km deep · 33 km away
  2. 3.34km NE of Heber, CA · 31518 days ago · 6 km deep · 0 km away
  3. 4.34km NE of Heber, CA · 31518 days ago · 6 km deep · 0 km away
  4. 3.64km NE of Heber, CA · 31499 days ago · 6 km deep · 0 km away
  5. 3.44km NE of Heber, CA · 31497 days ago · 6 km deep · 1 km away
  6. 3.111km E of Brawley, CA · 31491 days ago · 6 km deep · 27 km away
  7. 3.921km WNW of Westmorland, CA · 31482 days ago · 6 km deep · 51 km away
  8. 3.718km NW of Westmorland, CA · 31482 days ago · 6 km deep · 50 km away
  9. 3.522km SSE of Salton City, CA · 31481 days ago · 6 km deep · 53 km away
  10. 3.819km SSE of Salton City, CA · 31481 days ago · 6 km deep · 56 km away
  11. 3.83km SW of Holtville, CA · 31480 days ago · 6 km deep · 11 km away
  12. 4.324km SSE of Salton City, CA · 31474 days ago · 6 km deep · 52 km away
  13. 3.417km ESE of Ocotillo Wells, CA · 31466 days ago · 6 km deep · 58 km away

Before

  1. 3.542km N of Yuma, AZ · 31520 days ago · 6 km deep · 84 km away
  2. 3.19km NE of Imperial, CA · 31521 days ago · 6 km deep · 17 km away
  3. 3.317km SSE of Borrego Springs, CA · 31521 days ago · 6 km deep · 86 km away
  4. 3.414km W of Ocotillo Wells, CA · 31521 days ago · 6 km deep · 85 km away
  5. 4.325km SW of Ocotillo Wells, CA · 31521 days ago · 6 km deep · 79 km away
  6. 5.026km NE of Pine Valley, CA · 31521 days ago · 6 km deep · 80 km away
  7. 4.77km W of Hermosillo, B.C., MX · 31523 days ago · 6 km deep · 54 km away
  8. 4.28km WNW of Delta, B.C., MX · 31523 days ago · 6 km deep · 47 km away
  9. 3.426km N of Tecolots, B.C., MX · 31523 days ago · 6 km deep · 47 km away
  10. 3.529km NW of Los Algodones, B.C., MX · 31523 days ago · 6 km deep · 52 km away
  11. 3.510km E of Holtville, CA · 31533 days ago · 6 km deep · 23 km away
  12. 3.612km WNW of Tecolots, B.C., MX · 31533 days ago · 6 km deep · 40 km away
  13. 3.514km E of Puebla, B.C., MX · 31534 days ago · 6 km deep · 35 km away
  14. 3.634km S of Progreso, B.C., MX · 31534 days ago · 6 km deep · 54 km away
  15. 4.27km S of Brawley, CA · 31534 days ago · 6 km deep · 19 km away
  16. 3.86km W of Holtville, CA · 31535 days ago · 6 km deep · 8 km away
  17. 3.47km ESE of Imperial, CA · 31535 days ago · 6 km deep · 9 km away
  18. 3.824km ESE of Estacion Coahuila, B.C., MX · 31535 days ago · 6 km deep · 97 km away
  19. 3.47km ESE of Imperial, CA · 31536 days ago · 6 km deep · 9 km away
  20. 3.512km SSE of Holtville, CA · 31536 days ago · 6 km deep · 17 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3365340. Read Tue, Sep 22, 2026, 10:02 AM UTC.