California earthquakes

M2.6 earthquake 33km S of Tecopa, CA

A magnitude 2.6 earthquake struck 33km S of Tecopa, CA on Sat, Sep 10, 1983, 5:45 AM PDT (12:45 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.3 32km W of Fort Irwin, CA. This one was a foreshock.

Baker 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 (Mh), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1983-09-10 12:45:36 UTC
Depth
5.2 km (3.2 mi), shallow
Epicenter
35.548° N, 116.235° 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.

Magnitude uncertainty
±0.12
Depth from
Operator assigned
Station coverage gap
216°, poorly surrounded by stations
Stations used
0

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 1.510km NNE of Barstow, CA · 15726 days ago · 6 km deep · 93 km away
  2. 3.332km W of Fort Irwin, CA · 15725 days ago · 6 km deep · 80 km away
  3. 2.338km SSE of Fort Irwin, CA · 15724 days ago · 5 km deep · 73 km away
  4. 2.16km WNW of Fort Irwin, CA · 15711 days ago · 6 km deep · 55 km away
  5. 1.738km ENE of Trona, CA · 15694 days ago · 5 km deep · 80 km away
  6. 2.811km E of Barstow, CA · 15684 days ago · 3 km deep · 94 km away

Before

  1. 2.28km ESE of Barstow, CA · 15730 days ago · 9 km deep · 99 km away
  2. 1.735km SE of Fort Irwin, CA · 15733 days ago · 3 km deep · 64 km away
  3. 1.616km NNE of Barstow, CA · 15733 days ago · 11 km deep · 89 km away
  4. 1.825km SSE of Trona, CA · 15741 days ago · 0 km deep · 90 km away
  5. 2.029km E of Barstow, CA · 15749 days ago · 5 km deep · 80 km away
  6. 1.930km E of Barstow, CA · 15749 days ago · 5 km deep · 81 km away
  7. 1.730km E of Barstow, CA · 15749 days ago · 5 km deep · 80 km away
  8. 2.035km NW of Baker, CA · 15750 days ago · 5 km deep · 9 km away
  9. 2.336km WSW of Tecopa, CA · 15754 days ago · 5 km deep · 43 km away
  10. 1.88km ENE of Barstow, CA · 15757 days ago · 2 km deep · 94 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci21501. Read Fri, Oct 2, 2026, 7:45 AM UTC.