California earthquakes

M3.5 earthquake 8km SW of Brawley, CA

A magnitude 3.5 earthquake struck 8km SW of Brawley, CA on Sat, Jul 29, 1950, 2:48 PM GMT-7 (21:48 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M4.7 15km S of Bombay Beach, CA. This one was a foreshock.

Brawley 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
3.5 (ml), minor
Local time
UTC
1950-07-29 21:48:50 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
32.924° N, 115.584° 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 3.8 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.11
Depth from
Operator assigned
Station coverage gap
322°, 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: 19 in the 60 days after this one and 50 in the 30 days before it.

After

  1. 3.33km E of Calipatria, CA · 27814 days ago · 6 km deep · 24 km away
  2. 3.06km SE of Ocotillo, CA · 27813 days ago · 6 km deep · 43 km away
  3. 3.12km E of Calipatria, CA · 27813 days ago · 6 km deep · 24 km away
  4. 4.715km S of Bombay Beach, CA · 27812 days ago · 6 km deep · 35 km away
  5. 3.426km S of Ocotillo Wells, CA · 27809 days ago · 6 km deep · 56 km away
  6. 3.59km NW of Holtville, CA · 27809 days ago · 6 km deep · 14 km away
  7. 3.32km WSW of Holtville, CA · 27798 days ago · 6 km deep · 22 km away
  8. 2.65km ENE of Niland, CA · 27791 days ago · 6 km deep · 39 km away
  9. 3.221km S of Ocotillo Wells, CA · 27790 days ago · 6 km deep · 53 km away
  10. 3.118km SSE of Ocotillo, CA · 27774 days ago · 6 km deep · 47 km away
  11. 3.52km W of Westmorland, CA · 27774 days ago · 6 km deep · 13 km away
  12. 2.66km WNW of Ocotillo Wells, CA · 27773 days ago · 6 km deep · 63 km away
  13. 2.820km NNW of Borrego Springs, CA · 27772 days ago · 0 km deep · 97 km away
  14. 2.719km ESE of Campo, CA · 27771 days ago · 6 km deep · 77 km away
  15. 3.415km NNW of Borrego Springs, CA · 27765 days ago · 1 km deep · 95 km away
  16. 2.415km NNW of Borrego Springs, CA · 27765 days ago · 1 km deep · 95 km away
  17. 3.018km S of Ocotillo, CA · 27765 days ago · 6 km deep · 55 km away
  18. 2.710km NW of Holtville, CA · 27764 days ago · 6 km deep · 14 km away
  19. 2.58km WNW of Salton City, CA · 27757 days ago · 6 km deep · 62 km away

Before

  1. 4.75 km W of Calipatria, California · 27814 days ago · 16 km deep · 21 km away
  2. 4.52km WNW of Calipatria, CA · 27814 days ago · 6 km deep · 23 km away
  3. 4.28km W of Calipatria, CA · 27814 days ago · 6 km deep · 22 km away
  4. 3.66km NE of Westmorland, CA · 27814 days ago · 6 km deep · 16 km away
  5. 3.511km SW of Westmorland, CA · 27814 days ago · 6 km deep · 12 km away
  6. 3.220km NNE of Ocotillo, CA · 27814 days ago · 6 km deep · 28 km away
  7. 3.516km SW of Progreso, B.C., MX · 27814 days ago · 6 km deep · 51 km away
  8. 3.55km NE of Westmorland, CA · 27814 days ago · 6 km deep · 17 km away
  9. 3.98km WSW of Heber, CA · 27814 days ago · 6 km deep · 26 km away
  10. 4.311km WSW of Niland, CA · 27814 days ago · 6 km deep · 30 km away
  11. 3.66km NE of Westmorland, CA · 27814 days ago · 6 km deep · 17 km away
  12. 3.64km NE of Brawley, CA · 27814 days ago · 6 km deep · 12 km away
  13. 5.47km NW of Westmorland, CA · 27814 days ago · 6 km deep · 20 km away
  14. 3.87km WSW of Imperial, CA · 27815 days ago · 6 km deep · 13 km away
  15. 3.86km WNW of Calipatria, CA · 27815 days ago · 6 km deep · 25 km away
  16. 3.94km NE of Brawley, CA · 27815 days ago · 6 km deep · 12 km away
  17. 4.32km N of Westmorland, CA · 27815 days ago · 6 km deep · 15 km away
  18. 3.810km WSW of Niland, CA · 27815 days ago · 6 km deep · 30 km away
  19. 3.710km SSE of Calipatria, CA · 27815 days ago · 6 km deep · 18 km away
  20. 3.98km N of Holtville, CA · 27815 days ago · 6 km deep · 20 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3342568. Read Tue, Sep 22, 2026, 10:32 PM UTC.