California earthquakes

M2.1 earthquake 12 km S of Comptche, California

A magnitude 2.1 earthquake struck 12 km S of Comptche, California on Tue, May 22, 1984, 5:38 AM PDT (12:38 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M3.2 6 km W of Cobb, California. 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 (md), micro
Local time
UTC
1984-05-22 12:38:24 UTC
Depth
0.0 km (0.0 mi), shallow
Epicenter
39.154° N, 123.590° 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 0.5 km horizontally, 2.6 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
158°
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 180 in the 60 days after this one and 87 in the 30 days before it.

After

  1. 1.55 km N of Windsor, California · 15471 days ago · 7 km deep · 92 km away
  2. 2.47 km WSW of Cobb, California · 15471 days ago · -1 km deep · 78 km away
  3. 2.37 km W of Cobb, California · 15470 days ago · 2 km deep · 77 km away
  4. 2.07 km W of Cobb, California · 15470 days ago · 1 km deep · 77 km away
  5. 1.56 km WSW of Cobb, California · 15470 days ago · 1 km deep · 79 km away
  6. 1.8Northern California · 15469 days ago · 3 km deep · 78 km away
  7. 1.98 km WSW of Cobb, California · 15469 days ago · 3 km deep · 78 km away
  8. 2.38 km WSW of Cobb, California · 15469 days ago · 2 km deep · 78 km away
  9. 1.77 km W of Cobb, California · 15469 days ago · 3 km deep · 78 km away
  10. 1.610 km N of Comptche, California · 15468 days ago · 5 km deep · 23 km away
  11. 1.66 km NE of Lower Lake, California · 15468 days ago · 1 km deep · 93 km away
  12. 1.67 km SSW of Willits, California · 15468 days ago · 1 km deep · 28 km away
  13. 2.621 km NE of Potter Valley, California · 15468 days ago · 5 km deep · 66 km away
  14. 1.88 km E of Lower Lake, California · 15468 days ago · 3 km deep · 96 km away
  15. 1.56 km W of Cobb, California · 15467 days ago · 0 km deep · 77 km away
  16. 2.56 km W of Cobb, California · 15467 days ago · 0 km deep · 78 km away
  17. 1.77 km W of Cobb, California · 15467 days ago · 0 km deep · 77 km away
  18. 1.65 km WSW of Cobb, California · 15467 days ago · 1 km deep · 80 km away
  19. 1.616 km ENE of Potter Valley, California · 15467 days ago · 7 km deep · 62 km away
  20. 1.92 km WSW of Cobb, California · 15467 days ago · -1 km deep · 81 km away
  21. 1.73 km SW of Cobb, California · 15467 days ago · 1 km deep · 83 km away
  22. 1.57 km W of Potter Valley, California · 15467 days ago · 8 km deep · 40 km away
  23. 1.76 km W of Cobb, California · 15466 days ago · 3 km deep · 78 km away
  24. 1.68 km W of Cobb, California · 15466 days ago · -1 km deep · 77 km away
  25. 2.28 km SW of Cobb, California · 15466 days ago · -1 km deep · 80 km away
  26. 3.08 km W of Cobb, California · 15466 days ago · -1 km deep · 76 km away
  27. 2.67 km WSW of Cobb, California · 15465 days ago · 3 km deep · 78 km away
  28. 3.17 km WSW of Cobb, California · 15465 days ago · 1 km deep · 78 km away
  29. 1.77 km WSW of Cobb, California · 15465 days ago · 4 km deep · 79 km away
  30. 2.14 km NE of Willits, California · 15465 days ago · 1 km deep · 39 km away
  31. 2.15 km SW of Cobb, California · 15465 days ago · 1 km deep · 81 km away
  32. 1.521 km NE of Potter Valley, California · 15463 days ago · 4 km deep · 64 km away
  33. 1.517 km NE of Potter Valley, California · 15463 days ago · 3 km deep · 61 km away
  34. 1.83 km W of Cobb, California · 15463 days ago · -1 km deep · 80 km away
  35. 1.517 km N of Potter Valley, California · 15463 days ago · 8 km deep · 55 km away
  36. 1.86 km W of Cobb, California · 15463 days ago · 2 km deep · 78 km away
  37. 1.85 km W of Cobb, California · 15463 days ago · 1 km deep · 79 km away
  38. 1.66 km W of Cobb, California · 15462 days ago · 3 km deep · 78 km away
  39. 1.65 km W of Cobb, California · 15462 days ago · 0 km deep · 78 km away
  40. 1.55 km W of Cobb, California · 15462 days ago · 0 km deep · 78 km away
  41. 1.8Northern California · 15462 days ago · 1 km deep · 78 km away
  42. 2.025 km SE of Covelo, California · 15462 days ago · 4 km deep · 68 km away
  43. 1.85 km WSW of Cobb, California · 15462 days ago · 1 km deep · 80 km away
  44. 1.66 km W of Cobb, California · 15462 days ago · 3 km deep · 78 km away
  45. 1.84 km WSW of Cobb, California · 15461 days ago · 1 km deep · 81 km away
  46. 1.77 km W of Cobb, California · 15461 days ago · 3 km deep · 78 km away
  47. 2.713 km N of Upper Lake, California · 15460 days ago · 0 km deep · 61 km away
  48. 1.66 km W of Cobb, California · 15460 days ago · 3 km deep · 78 km away
  49. 1.812 km NE of Comptche, California · 15460 days ago · -1 km deep · 22 km away
  50. 1.67 km WSW of Cobb, California · 15459 days ago · 2 km deep · 79 km away
  51. 2.33 km WNW of Soda Bay, California · 15459 days ago · 5 km deep · 68 km away
  52. 1.84 km NW of Soda Bay, California · 15459 days ago · 5 km deep · 67 km away
  53. 1.57 km W of Cobb, California · 15456 days ago · 3 km deep · 77 km away
  54. 1.63 km WNW of Cobb, California · 15456 days ago · -1 km deep · 81 km away
  55. 1.65 km WSW of Cobb, California · 15455 days ago · 1 km deep · 80 km away
  56. 1.511 km SSW of Kelseyville, California · 15455 days ago · 19 km deep · 69 km away
  57. 1.93 km WNW of Clearlake Oaks, California · 15454 days ago · 19 km deep · 77 km away
  58. 1.629 km SE of Covelo, California · 15454 days ago · 7 km deep · 72 km away
  59. 2.06 km W of Cobb, California · 15454 days ago · 3 km deep · 78 km away
  60. 1.87 km W of Cobb, California · 15454 days ago · 1 km deep · 77 km away

The first 60 of 180.

Before

  1. 1.712 km S of Comptche, California · 15472 days ago · 3 km deep · 1 km away
  2. 2.47 km WSW of Cobb, California · 15472 days ago · 1 km deep · 79 km away
  3. 1.75 km ESE of Healdsburg, California · 15472 days ago · 4 km deep · 92 km away
  4. 1.57 km WSW of Cobb, California · 15472 days ago · 3 km deep · 79 km away
  5. 1.67 km WSW of Cobb, California · 15472 days ago · 4 km deep · 78 km away
  6. 2.16 km W of Cobb, California · 15473 days ago · 2 km deep · 78 km away
  7. 2.56 km W of Cobb, California · 15473 days ago · 2 km deep · 78 km away
  8. 2.16 km N of Covelo, California · 15474 days ago · 0 km deep · 83 km away
  9. 1.525 km SE of Covelo, California · 15474 days ago · 4 km deep · 68 km away
  10. 1.96 km W of Cobb, California · 15475 days ago · 3 km deep · 78 km away
  11. 3.05 km SW of Cobb, California · 15475 days ago · 0 km deep · 83 km away
  12. 1.8Northern California · 15475 days ago · 4 km deep · 97 km away
  13. 1.77 km WSW of Cobb, California · 15475 days ago · 0 km deep · 78 km away
  14. 1.93 km SE of Calpella, California · 15476 days ago · 5 km deep · 37 km away
  15. 2.37 km WSW of Cobb, California · 15476 days ago · 0 km deep · 79 km away
  16. 1.96 km W of Cobb, California · 15476 days ago · 3 km deep · 78 km away
  17. 1.67 km WSW of Cobb, California · 15476 days ago · 2 km deep · 78 km away
  18. 1.66 km W of Cobb, California · 15477 days ago · 3 km deep · 78 km away
  19. 1.96 km W of Cobb, California · 15477 days ago · 2 km deep · 78 km away
  20. 2.12 km ENE of Laytonville, California · 15477 days ago · -1 km deep · 62 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1115653. Read Wed, Sep 30, 2026, 11:37 PM UTC.