California earthquakes

M2.1 earthquake 43km WSW of Tecopa, CA

A magnitude 2.1 earthquake struck 43km WSW of Tecopa, CA on Thu, Aug 6, 1981, 3:53 AM PDT (10:53 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.3 16km NNE of Inyokern, CA. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.1 (mc), micro
Local time
UTC
1981-08-06 10:53:33 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
35.761° N, 116.686° 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 1.8 km horizontally, 31.6 km in depth
Depth from
Operator assigned
Station coverage gap
193°, 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 17 in the 30 days before it.

After

  1. 1.916km NNE of Inyokern, CA · 16481 days ago · 1 km deep · 95 km away
  2. 2.316km NNE of Inyokern, CA · 16481 days ago · 2 km deep · 94 km away
  3. 2.330km NNW of Barstow, CA · 16472 days ago · -1 km deep · 76 km away
  4. 1.68km ENE of Barstow, CA · 16472 days ago · 8 km deep · 97 km away
  5. 1.715km NNE of Inyokern, CA · 16470 days ago · 0 km deep · 94 km away
  6. 1.713km E of Little Lake, CA · 16468 days ago · 5 km deep · 100 km away
  7. 2.126km ENE of Barstow, CA · 16465 days ago · -1 km deep · 91 km away
  8. 1.513km NNE of Inyokern, CA · 16459 days ago · -1 km deep · 94 km away
  9. 1.814km NE of Inyokern, CA · 16458 days ago · -1 km deep · 94 km away
  10. 1.715km NE of Inyokern, CA · 16453 days ago · 4 km deep · 93 km away
  11. 1.850km W of Shoshone, CA · 16451 days ago · 5 km deep · 23 km away
  12. 2.616km SSW of Searles Valley, CA · 16444 days ago · -1 km deep · 71 km away
  13. 2.020km WNW of Searles Valley, CA · 16444 days ago · 1 km deep · 82 km away
  14. 2.116km SSW of Searles Valley, CA · 16440 days ago · 2 km deep · 71 km away
  15. 1.712km NNE of Inyokern, CA · 16431 days ago · 4 km deep · 95 km away
  16. 2.223km E of Little Lake, CA · 16429 days ago · 0 km deep · 88 km away

Before

  1. 3.021km NE of Fort Irwin, CA · 16484 days ago · 2 km deep · 42 km away
  2. 1.527km ENE of Little Lake, CA · 16485 days ago · 1 km deep · 89 km away
  3. 2.128km N of Searles Valley, CA · 16485 days ago · -1 km deep · 71 km away
  4. 1.622km N of Searles Valley, CA · 16488 days ago · 0 km deep · 69 km away
  5. 1.817km E of Little Lake, CA · 16495 days ago · 14 km deep · 95 km away
  6. 1.522km E of Coso Junction, CA · 16497 days ago · 5 km deep · 99 km away
  7. 2.020km NNE of Inyokern, CA · 16498 days ago · 4 km deep · 92 km away
  8. 2.416km NNE of Inyokern, CA · 16501 days ago · 2 km deep · 93 km away
  9. 1.719km SE of Little Lake, CA · 16501 days ago · 3 km deep · 97 km away
  10. 1.932km NE of Boron, CA · 16505 days ago · 5 km deep · 90 km away
  11. 2.231km ENE of Furnace Creek, CA · 16506 days ago · 4 km deep · 91 km away
  12. 2.526km ENE of Furnace Creek, CA · 16506 days ago · 4 km deep · 88 km away
  13. 1.915km NE of Inyokern, CA · 16507 days ago · 4 km deep · 93 km away
  14. 2.015km NNE of Inyokern, CA · 16507 days ago · 2 km deep · 93 km away
  15. 1.519km SE of Little Lake, CA · 16508 days ago · 4 km deep · 97 km away
  16. 1.922km SW of Fort Irwin, CA · 16508 days ago · 1 km deep · 74 km away
  17. 1.832km ENE of Coso Junction, CA · 16509 days ago · -1 km deep · 93 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci520606. Read Tue, Sep 22, 2026, 9:24 PM UTC.