California earthquakes

M1.9 earthquake 18km WSW of Olancha, CA

A magnitude 1.9 earthquake struck 18km WSW of Olancha, CA on Thu, Sep 10, 1987, 8:19 PM PDT (03:19 UTC), 7 km (5 mi) below the surface.

A larger quake followed: M2.9 42km SW of Stovepipe Wells, 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
1.9 (Mc), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1987-09-11 03:19:29 UTC
Depth
7.4 km (4.6 mi), shallow
Epicenter
36.206° N, 118.179° 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
From location
Station coverage gap
223°, 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: 187 in the 60 days after this one and 125 in the 30 days before it.

After

  1. 1.718km WSW of Olancha, CA · 14267 days ago · 9 km deep · 0 km away
  2. 1.618km WSW of Olancha, CA · 14267 days ago · 8 km deep · 1 km away
  3. 1.818km WSW of Olancha, CA · 14267 days ago · 5 km deep · 1 km away
  4. 1.617km WSW of Olancha, CA · 14267 days ago · 8 km deep · 1 km away
  5. 2.018km WSW of Olancha, CA · 14267 days ago · 9 km deep · 1 km away
  6. 1.818km WSW of Olancha, CA · 14267 days ago · 7 km deep · 1 km away
  7. 1.918km WSW of Olancha, CA · 14267 days ago · 6 km deep · 0 km away
  8. 1.819km WSW of Olancha, CA · 14266 days ago · 9 km deep · 1 km away
  9. 1.918km WSW of Olancha, CA · 14266 days ago · 9 km deep · 0 km away
  10. 1.817km WSW of Olancha, CA · 14266 days ago · 6 km deep · 1 km away
  11. 1.817km WSW of Olancha, CA · 14266 days ago · 4 km deep · 1 km away
  12. 1.818km WSW of Olancha, CA · 14266 days ago · 7 km deep · 1 km away
  13. 1.618km WSW of Olancha, CA · 14266 days ago · 9 km deep · 1 km away
  14. 1.517km WSW of Olancha, CA · 14266 days ago · 8 km deep · 1 km away
  15. 1.618km WSW of Olancha, CA · 14266 days ago · 7 km deep · 0 km away
  16. 1.918km WSW of Olancha, CA · 14266 days ago · 9 km deep · 1 km away
  17. 1.619km WSW of Olancha, CA · 14266 days ago · 11 km deep · 1 km away
  18. 1.619km SW of Olancha, CA · 14266 days ago · 4 km deep · 3 km away
  19. 1.818km WSW of Olancha, CA · 14265 days ago · 13 km deep · 1 km away
  20. 2.218km WSW of Olancha, CA · 14265 days ago · 8 km deep · 1 km away
  21. 1.713km NE of Inyokern, CA · 14265 days ago · 4 km deep · 66 km away
  22. 1.717km WSW of Olancha, CA · 14265 days ago · 7 km deep · 1 km away
  23. 1.718km WSW of Olancha, CA · 14265 days ago · 7 km deep · 0 km away
  24. 1.512km NE of Kernville, CA · 14265 days ago · 9 km deep · 44 km away
  25. 1.818km WSW of Olancha, CA · 14265 days ago · 11 km deep · 1 km away
  26. 1.918km WSW of Olancha, CA · 14265 days ago · 10 km deep · 1 km away
  27. 2.729km ENE of Coso Junction, CA · 14265 days ago · 2 km deep · 49 km away
  28. 1.818km WSW of Olancha, CA · 14265 days ago · 8 km deep · 1 km away
  29. 1.618km WSW of Olancha, CA · 14265 days ago · 10 km deep · 1 km away
  30. 1.618km WSW of Olancha, CA · 14265 days ago · 9 km deep · 1 km away
  31. 1.918km WSW of Olancha, CA · 14265 days ago · 10 km deep · 1 km away
  32. 1.619km WSW of Olancha, CA · 14265 days ago · 5 km deep · 1 km away
  33. 1.918km WSW of Olancha, CA · 14265 days ago · 10 km deep · 0 km away
  34. 1.918km WSW of Olancha, CA · 14264 days ago · 11 km deep · 0 km away
  35. 1.918km WSW of Olancha, CA · 14264 days ago · 10 km deep · 1 km away
  36. 2.018km WSW of Olancha, CA · 14264 days ago · 9 km deep · 0 km away
  37. 1.718km WSW of Olancha, CA · 14264 days ago · 8 km deep · 0 km away
  38. 1.818km WSW of Olancha, CA · 14264 days ago · 7 km deep · 1 km away
  39. 1.818km WSW of Olancha, CA · 14264 days ago · 10 km deep · 1 km away
  40. 1.819km SW of Olancha, CA · 14264 days ago · 8 km deep · 2 km away
  41. 1.718km WSW of Olancha, CA · 14264 days ago · 8 km deep · 0 km away
  42. 1.919km WSW of Olancha, CA · 14264 days ago · 5 km deep · 1 km away
  43. 1.918km WSW of Olancha, CA · 14264 days ago · 9 km deep · 1 km away
  44. 1.718km WSW of Olancha, CA · 14264 days ago · 5 km deep · 1 km away
  45. 1.817km WSW of Olancha, CA · 14263 days ago · 5 km deep · 1 km away
  46. 1.917km WSW of Olancha, CA · 14263 days ago · 7 km deep · 0 km away
  47. 1.918km WSW of Olancha, CA · 14262 days ago · 9 km deep · 1 km away
  48. 2.118km WSW of Olancha, CA · 14262 days ago · 8 km deep · 1 km away
  49. 1.918km WSW of Olancha, CA · 14262 days ago · 11 km deep · 1 km away
  50. 1.918km WSW of Olancha, CA · 14262 days ago · 10 km deep · 1 km away
  51. 2.018km WSW of Olancha, CA · 14260 days ago · 12 km deep · 2 km away
  52. 1.818km WSW of Olancha, CA · 14259 days ago · 9 km deep · 0 km away
  53. 1.930km ENE of Coso Junction, CA · 14259 days ago · 2 km deep · 49 km away
  54. 1.84km WNW of Olancha, CA · 14258 days ago · 5 km deep · 16 km away
  55. 1.821km E of Coso Junction, CA · 14258 days ago · 0 km deep · 45 km away
  56. 1.918km WSW of Olancha, CA · 14257 days ago · 10 km deep · 1 km away
  57. 1.518km WSW of Olancha, CA · 14257 days ago · 7 km deep · 1 km away
  58. 1.520km E of Coso Junction, CA · 14257 days ago · 1 km deep · 44 km away
  59. 1.820km WSW of Olancha, CA · 14257 days ago · 14 km deep · 2 km away
  60. 2.414km E of Coso Junction, CA · 14256 days ago · 0 km deep · 39 km away

The first 60 of 187.

Before

  1. 1.918km WSW of Olancha, CA · 14267 days ago · 9 km deep · 1 km away
  2. 1.717km WSW of Olancha, CA · 14267 days ago · 4 km deep · 1 km away
  3. 1.718km WSW of Olancha, CA · 14267 days ago · 6 km deep · 1 km away
  4. 1.818km WSW of Olancha, CA · 14267 days ago · 8 km deep · 1 km away
  5. 2.020km SW of Olancha, CA · 14267 days ago · -2 km deep · 6 km away
  6. 1.717km WSW of Olancha, CA · 14267 days ago · 5 km deep · 1 km away
  7. 1.818km WSW of Olancha, CA · 14267 days ago · 10 km deep · 0 km away
  8. 1.717km SW of Olancha, CA · 14267 days ago · -1 km deep · 3 km away
  9. 1.718km WSW of Olancha, CA · 14267 days ago · 9 km deep · 1 km away
  10. 1.717km WSW of Olancha, CA · 14267 days ago · 7 km deep · 1 km away
  11. 1.717km WSW of Olancha, CA · 14267 days ago · 9 km deep · 1 km away
  12. 1.718km WSW of Olancha, CA · 14267 days ago · 8 km deep · 1 km away
  13. 2.118km WSW of Olancha, CA · 14268 days ago · 9 km deep · 1 km away
  14. 1.618km WSW of Olancha, CA · 14268 days ago · 8 km deep · 0 km away
  15. 1.619km SW of Little Lake, CA · 14268 days ago · 10 km deep · 48 km away
  16. 1.618km WSW of Olancha, CA · 14268 days ago · 9 km deep · 0 km away
  17. 2.519km WSW of Olancha, CA · 14268 days ago · 10 km deep · 1 km away
  18. 1.715km S of Bodfish, CA · 14268 days ago · 3 km deep · 87 km away
  19. 1.718km WSW of Olancha, CA · 14268 days ago · 10 km deep · 1 km away
  20. 2.119km WSW of Olancha, CA · 14268 days ago · 9 km deep · 1 km away

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From the USGS Earthquake Hazards Program and its partner networks, event ci623102. Read Fri, Oct 2, 2026, 9:29 PM UTC.