California earthquakes

M2.5 earthquake 31km WSW of Tecopa, CA

A magnitude 2.5 earthquake struck 31km WSW of Tecopa, CA on Wed, Oct 17, 1990, 8:55 AM PDT (15:55 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.0 41km WSW of Tecopa, 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
2.5 (Mc), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1990-10-17 15:55:50 UTC
Depth
5.2 km (3.2 mi), shallow
Epicenter
35.727° N, 116.538° 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.

Depth from
Operator assigned
Station coverage gap
250°, 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: 25 in the 60 days after this one and 14 in the 30 days before it.

After

  1. 1.614km SW of Searles Valley, CA · 13126 days ago · 10 km deep · 89 km away
  2. 2.745km ENE of Trona, CA · 13125 days ago · 5 km deep · 38 km away
  3. 1.746km ENE of Trona, CA · 13125 days ago · 5 km deep · 38 km away
  4. 1.923km N of Searles Valley, CA · 13123 days ago · 0 km deep · 80 km away
  5. 2.44km WNW of Fort Irwin, CA · 13122 days ago · 10 km deep · 53 km away
  6. 1.738km E of Johannesburg, CA · 13117 days ago · 13 km deep · 74 km away
  7. 2.125km E of Barstow, CA · 13116 days ago · 5 km deep · 90 km away
  8. 2.325km E of Barstow, CA · 13116 days ago · 5 km deep · 90 km away
  9. 2.326km E of Barstow, CA · 13115 days ago · 5 km deep · 90 km away
  10. 1.743km ESE of Trona, CA · 13114 days ago · 5 km deep · 34 km away
  11. 2.57km NNE of Trona, CA · 13108 days ago · 5 km deep · 75 km away
  12. 1.925km E of Barstow, CA · 13107 days ago · 5 km deep · 90 km away
  13. 2.324km S of Trona, CA · 13107 days ago · 6 km deep · 80 km away
  14. 2.048km N of Searles Valley, CA · 13101 days ago · 5 km deep · 91 km away
  15. 1.98km S of Fort Irwin, CA · 13100 days ago · 7 km deep · 61 km away
  16. 1.527km N of Trona, CA · 13099 days ago · 5 km deep · 77 km away
  17. 1.525km N of Searles Valley, CA · 13099 days ago · 5 km deep · 80 km away
  18. 3.041km WSW of Tecopa, CA · 13097 days ago · 5 km deep · 10 km away
  19. 2.910km ENE of Trona, CA · 13088 days ago · 5 km deep · 67 km away
  20. 2.324km NW of Searles Valley, CA · 13084 days ago · 1 km deep · 98 km away
  21. 1.624km NW of Searles Valley, CA · 13084 days ago · 0 km deep · 99 km away
  22. 2.424km NW of Searles Valley, CA · 13084 days ago · 1 km deep · 98 km away
  23. 2.010km E of Ridgecrest, CA · 13084 days ago · 0 km deep · 94 km away
  24. 1.736km ESE of Johannesburg, CA · 13082 days ago · 5 km deep · 91 km away
  25. 2.814km NNE of Barstow, CA · 13078 days ago · 4 km deep · 88 km away

Before

  1. 3.08 km S of Pahrump, Nevada · 13139 days ago · 6 km deep · 68 km away
  2. 2.432km E of Johannesburg, CA · 13139 days ago · 3 km deep · 78 km away
  3. 1.725km N of Searles Valley, CA · 13146 days ago · 5 km deep · 87 km away
  4. 2.227km SW of Summerlin South, NV · 13147 days ago · 5 km deep · 87 km away
  5. 2.310km E of Ridgecrest, CA · 13151 days ago · 0 km deep · 94 km away
  6. 2.139km W of Shoshone, CA · 13152 days ago · 5 km deep · 30 km away
  7. 1.623km ENE of Johannesburg, CA · 13152 days ago · 11 km deep · 84 km away
  8. 2.314km SSE of Pahrump, NV · 13152 days ago · 5 km deep · 67 km away
  9. 2.510km S of Pahrump, NV · 13155 days ago · 5 km deep · 64 km away
  10. 1.713km NW of Fort Irwin, CA · 13159 days ago · 3 km deep · 48 km away
  11. 2.518km N of Ridgecrest, CA · 13161 days ago · 3 km deep · 100 km away
  12. 1.533km NNW of Fort Irwin, CA · 13163 days ago · 5 km deep · 36 km away
  13. 1.519km N of Ridgecrest, CA · 13164 days ago · 3 km deep · 100 km away
  14. 1.732km SSW of Baker, CA · 13165 days ago · 5 km deep · 83 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci143339. Read Sun, Oct 4, 2026, 11:05 PM UTC.