California earthquakes

M2.0 earthquake 14 km ENE of Angwin, California

A magnitude 2.0 earthquake struck 14 km ENE of Angwin, California on Fri, Feb 13, 1987, 2:05 AM PST (10:05 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M3.2 6 km W of Cobb, California. This one was a foreshock.

Angwin 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
2.0 (md), micro
Local time
UTC
1987-02-13 10:05:01 UTC
Depth
8.9 km (5.5 mi), shallow
Epicenter
38.641° N, 122.309° 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 4.9 km horizontally, 7.4 km in depth
Magnitude uncertainty
±0.23
Depth from
From location
Station coverage gap
251°, poorly surrounded by stations
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 174 in the 60 days after this one and 98 in the 30 days before it.

After

  1. 2.04 km W of Cobb, California · 14471 days ago · 0 km deep · 46 km away
  2. 2.510 km NW of Cobb, California · 14471 days ago · 0 km deep · 52 km away
  3. 1.68 km WSW of Cobb, California · 14471 days ago · 4 km deep · 47 km away
  4. 2.36 km W of Cobb, California · 14470 days ago · 3 km deep · 47 km away
  5. 1.82 km E of Forestville, California · 14470 days ago · 2 km deep · 51 km away
  6. 1.56 km W of Cobb, California · 14469 days ago · 3 km deep · 47 km away
  7. 1.90 km S of Fulton, California · 14468 days ago · 6 km deep · 43 km away
  8. 1.65 km WNW of Cobb, California · 14468 days ago · 1 km deep · 46 km away
  9. 1.75 km WNW of Cobb, California · 14468 days ago · 1 km deep · 47 km away
  10. 1.86 km W of Cobb, California · 14468 days ago · 3 km deep · 47 km away
  11. 1.97 km W of Cobb, California · 14468 days ago · 1 km deep · 49 km away
  12. 2.06 km SW of Cobb, California · 14468 days ago · 2 km deep · 43 km away
  13. 2.06 km W of Cobb, California · 14467 days ago · 4 km deep · 46 km away
  14. 1.69 km ESE of Hidden Valley Lake, California · 14466 days ago · 7 km deep · 21 km away
  15. 1.86 km SW of Cobb, California · 14466 days ago · 3 km deep · 44 km away
  16. 2.19 km W of Cobb, California · 14466 days ago · 1 km deep · 49 km away
  17. 1.74 km W of Cobb, California · 14465 days ago · -1 km deep · 45 km away
  18. 1.77 km W of Cobb, California · 14465 days ago · 3 km deep · 48 km away
  19. 2.56 km W of Cobb, California · 14465 days ago · 2 km deep · 47 km away
  20. 2.36 km W of Cobb, California · 14465 days ago · 2 km deep · 47 km away
  21. 1.79 km WSW of Cobb, California · 14465 days ago · 2 km deep · 48 km away
  22. 1.76 km WSW of Cobb, California · 14465 days ago · 3 km deep · 46 km away
  23. 1.52 km SSE of Cobb, California · 14464 days ago · 4 km deep · 40 km away
  24. 1.710 km NW of Cobb, California · 14464 days ago · 1 km deep · 52 km away
  25. 1.81 km W of Cobb, California · 14464 days ago · 4 km deep · 42 km away
  26. 1.59 km W of Cobb, California · 14463 days ago · 0 km deep · 49 km away
  27. 2.16 km W of Cobb, California · 14463 days ago · 3 km deep · 47 km away
  28. 2.13 km SW of Cobb, California · 14462 days ago · 1 km deep · 42 km away
  29. 2.47 km WSW of Cobb, California · 14462 days ago · 1 km deep · 46 km away
  30. 2.04 km SW of Cobb, California · 14462 days ago · 1 km deep · 43 km away
  31. 1.96 km W of Cobb, California · 14462 days ago · 3 km deep · 47 km away
  32. 1.76 km WSW of Cobb, California · 14461 days ago · 4 km deep · 46 km away
  33. 1.84 km WSW of Cobb, California · 14461 days ago · 1 km deep · 44 km away
  34. 1.89 km W of Cobb, California · 14461 days ago · -1 km deep · 50 km away
  35. 2.117 km SW of Cloverdale, California · 14460 days ago · 14 km deep · 74 km away
  36. 1.95 km WNW of Cobb, California · 14460 days ago · 0 km deep · 47 km away
  37. 1.67 km WSW of Cobb, California · 14460 days ago · 1 km deep · 46 km away
  38. 1.65 km SW of Cobb, California · 14460 days ago · -1 km deep · 42 km away
  39. 2.19 km NW of Bayview, California · 14459 days ago · 6 km deep · 65 km away
  40. 1.8Northern California · 14459 days ago · 4 km deep · 97 km away
  41. 1.84 km WNW of Cobb, California · 14459 days ago · 2 km deep · 46 km away
  42. 1.520 km ENE of Potter Valley, California · 14459 days ago · 4 km deep · 97 km away
  43. 2.111 km N of Clyde, California · 14458 days ago · 0 km deep · 62 km away
  44. 3.26 km W of Cobb, California · 14458 days ago · 3 km deep · 47 km away
  45. 2.55 km SW of Cobb, California · 14456 days ago · 1 km deep · 44 km away
  46. 2.05 km SW of Cobb, California · 14456 days ago · 1 km deep · 43 km away
  47. 2.34 km W of Cobb, California · 14456 days ago · 1 km deep · 46 km away
  48. 1.918 km ENE of Potter Valley, California · 14455 days ago · 7 km deep · 95 km away
  49. 1.95 km WSW of Cobb, California · 14455 days ago · 1 km deep · 44 km away
  50. 1.68 km WSW of Cobb, California · 14455 days ago · 0 km deep · 48 km away
  51. 1.66 km WSW of Cobb, California · 14455 days ago · 3 km deep · 47 km away
  52. 2.09 km W of Cobb, California · 14455 days ago · -1 km deep · 49 km away
  53. 2.518 km ENE of Potter Valley, California · 14454 days ago · 6 km deep · 96 km away
  54. 2.14 km SW of Cobb, California · 14453 days ago · 1 km deep · 42 km away
  55. 2.3Northern California · 14453 days ago · 1 km deep · 47 km away
  56. 1.77 km W of Cobb, California · 14452 days ago · 0 km deep · 47 km away
  57. 2.07 km WSW of Cobb, California · 14452 days ago · 1 km deep · 47 km away
  58. 1.72 km SSE of Clear Lake Riviera, CA · 14452 days ago · -1 km deep · 48 km away
  59. 2.64 km W of Cobb, California · 14452 days ago · 1 km deep · 45 km away
  60. 1.75 km W of Cobb, California · 14452 days ago · 1 km deep · 46 km away

The first 60 of 174.

Before

  1. 1.85 km SW of Cobb, California · 14473 days ago · 2 km deep · 42 km away
  2. 3.16 km W of Cobb, California · 14473 days ago · 1 km deep · 47 km away
  3. 1.76 km W of Cobb, California · 14473 days ago · 0 km deep · 47 km away
  4. 2.96 km W of Cobb, California · 14473 days ago · 0 km deep · 47 km away
  5. 1.67 km W of Kenwood, California · 14473 days ago · 6 km deep · 37 km away
  6. 2.05 km WSW of Cobb, California · 14473 days ago · 0 km deep · 45 km away
  7. 1.88 km WNW of Cobb, California · 14474 days ago · -1 km deep · 50 km away
  8. 1.66 km WNW of Cobb, California · 14474 days ago · -1 km deep · 48 km away
  9. 1.97 km WSW of Cobb, California · 14474 days ago · 1 km deep · 46 km away
  10. 1.67 km WSW of Cobb, California · 14474 days ago · 1 km deep · 47 km away
  11. 2.46 km E of Hopland, California · 14475 days ago · 7 km deep · 74 km away
  12. 1.98 km W of Cobb, California · 14476 days ago · 1 km deep · 49 km away
  13. 1.88 km W of Cobb, California · 14476 days ago · 0 km deep · 49 km away
  14. 1.67 km W of Cobb, California · 14476 days ago · 3 km deep · 47 km away
  15. 1.918 km E of Sea Ranch, California · 14476 days ago · 0 km deep · 82 km away
  16. 2.06 km W of Cobb, California · 14477 days ago · 3 km deep · 47 km away
  17. 1.7Northern California · 14477 days ago · 0 km deep · 45 km away
  18. 1.65 km SW of Cobb, California · 14479 days ago · 1 km deep · 43 km away
  19. 1.65 km W of Cobb, California · 14479 days ago · 0 km deep · 46 km away
  20. 2.011 km NE of Talmage, California · 14480 days ago · 7 km deep · 90 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc10083804. Read Mon, Sep 28, 2026, 1:36 PM UTC.