California earthquakes

M1.6 earthquake 9 km NE of Comptche, California

A magnitude 1.6 earthquake struck 9 km NE of Comptche, California on Sat, Aug 15, 1981, 10:29 AM PDT (17:29 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.1 1 km WSW of Geyserville, California. This one was a foreshock.

Willits forecastMore in California

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
1.6 (md), micro
Local time
UTC
1981-08-15 17:29:22 UTC
Depth
5.1 km (3.1 mi), shallow
Epicenter
39.331° N, 123.519° 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, 1.1 km in depth
Magnitude uncertainty
±0.23
Depth from
From location
Station coverage gap
161°
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 115 in the 60 days after this one and 55 in the 30 days before it.

After

  1. 2.11 km WSW of Geyserville, California · 16475 days ago · 5 km deep · 87 km away
  2. 1.74 km S of Cobb, California · 16474 days ago · 1 km deep · 92 km away
  3. 1.67 km NNW of Redwood Valley, California · 16474 days ago · 4 km deep · 25 km away
  4. 2.17 km W of Cobb, California · 16474 days ago · 4 km deep · 84 km away
  5. 1.54 km WNW of Potter Valley, California · 16474 days ago · -1 km deep · 30 km away
  6. 2.27 km W of Cobb, California · 16473 days ago · 4 km deep · 84 km away
  7. 1.74 km S of Cobb, California · 16472 days ago · 1 km deep · 92 km away
  8. 1.8near the coast of Northern California · 16470 days ago · 5 km deep · 33 km away
  9. 2.49 km WSW of Cobb, California · 16469 days ago · 1 km deep · 84 km away
  10. 2.78 km WSW of Cobb, California · 16469 days ago · 2 km deep · 85 km away
  11. 1.79 km WSW of Cobb, California · 16469 days ago · 3 km deep · 85 km away
  12. 1.59 km WSW of Cobb, California · 16469 days ago · 3 km deep · 84 km away
  13. 3.26 km W of Cobb, California · 16469 days ago · 4 km deep · 85 km away
  14. 1.810 km W of Cobb, California · 16468 days ago · -1 km deep · 82 km away
  15. 1.56 km W of Cobb, California · 16468 days ago · 1 km deep · 85 km away
  16. 1.711 km WNW of Cobb, California · 16468 days ago · 1 km deep · 79 km away
  17. 1.66 km WSW of Cobb, California · 16467 days ago · 4 km deep · 86 km away
  18. 1.66 km WSW of Cobb, California · 16467 days ago · 3 km deep · 86 km away
  19. 2.17 km WSW of Cobb, California · 16466 days ago · 0 km deep · 86 km away
  20. 1.87 km WSW of Cobb, California · 16466 days ago · 1 km deep · 86 km away
  21. 1.99 km WSW of Cobb, California · 16466 days ago · 2 km deep · 84 km away
  22. 1.723 km NE of Potter Valley, California · 16465 days ago · 10 km deep · 53 km away
  23. 1.87 km W of Cobb, California · 16464 days ago · 2 km deep · 84 km away
  24. 1.89 km NW of Cobb, California · 16464 days ago · 2 km deep · 79 km away
  25. 1.87 km S of Laytonville, California · 16464 days ago · 4 km deep · 33 km away
  26. 1.86 km W of Laytonville, California · 16464 days ago · 2 km deep · 40 km away
  27. 1.719 km ENE of Potter Valley, California · 16460 days ago · 11 km deep · 53 km away
  28. 1.57 km SW of Clear Lake Riviera, California · 16459 days ago · 2 km deep · 80 km away
  29. 1.85 km NNW of Redwood Valley, California · 16459 days ago · 8 km deep · 25 km away
  30. 1.67 km NE of Hopland, California · 16459 days ago · 2 km deep · 52 km away
  31. 2.37 km WSW of Cobb, California · 16458 days ago · 2 km deep · 85 km away
  32. 1.825 km NNE of Potter Valley, California · 16458 days ago · 9 km deep · 52 km away
  33. 1.726 km NNE of Potter Valley, California · 16458 days ago · 10 km deep · 52 km away
  34. 1.711 km NNW of Potter Valley, California · 16458 days ago · 8 km deep · 32 km away
  35. 1.79 km WSW of Cobb, California · 16456 days ago · 1 km deep · 84 km away
  36. 1.75 km SW of Cobb, California · 16456 days ago · 1 km deep · 88 km away
  37. 1.67 km ESE of Willits, California · 16455 days ago · 6 km deep · 23 km away
  38. 1.71 km WNW of Redwood Valley, California · 16455 days ago · 6 km deep · 27 km away
  39. 1.98 km N of Covelo, California · 16453 days ago · 9 km deep · 64 km away
  40. 1.65 km SSW of Clear Lake Riviera, California · 16453 days ago · 1 km deep · 82 km away
  41. 1.96 km WSW of Cobb, California · 16452 days ago · 3 km deep · 85 km away
  42. 2.06 km WSW of Cobb, California · 16452 days ago · 1 km deep · 86 km away
  43. 2.96 km S of Laytonville, California · 16451 days ago · 5 km deep · 33 km away
  44. 1.66 km WSW of Cobb, California · 16450 days ago · 0 km deep · 86 km away
  45. 1.67 km WSW of Cobb, California · 16450 days ago · 2 km deep · 85 km away
  46. 2.16 km W of Cobb, California · 16448 days ago · 4 km deep · 85 km away
  47. 1.75 km W of Cobb, California · 16447 days ago · 4 km deep · 85 km away
  48. 1.5Northern California · 16447 days ago · 1 km deep · 83 km away
  49. 1.84 km S of Cobb, California · 16445 days ago · 2 km deep · 92 km away
  50. 1.611 km S of Kelseyville, California · 16444 days ago · -1 km deep · 78 km away
  51. 1.64 km WSW of Cobb, California · 16444 days ago · 2 km deep · 88 km away
  52. 1.64 km WSW of Cobb, California · 16444 days ago · 1 km deep · 88 km away
  53. 1.7near the coast of Northern California · 16443 days ago · 6 km deep · 34 km away
  54. 2.03 km WNW of Lower Lake, California · 16441 days ago · 1 km deep · 88 km away
  55. 2.37 km WSW of Cobb, California · 16439 days ago · 4 km deep · 85 km away
  56. 2.03 km SSW of Geyserville, California · 16438 days ago · 3 km deep · 90 km away
  57. 2.10 km E of Kelseyville, California · 16438 days ago · 0 km deep · 71 km away
  58. 2.16 km W of Cobb, California · 16438 days ago · 4 km deep · 85 km away
  59. 2.87 km NE of Healdsburg, California · 16437 days ago · 6 km deep · 96 km away
  60. 2.07 km W of Cobb, California · 16437 days ago · 2 km deep · 84 km away

The first 60 of 115.

Before

  1. 1.76 km W of Cobb, California · 16476 days ago · 4 km deep · 84 km away
  2. 2.09 km WSW of Cobb, California · 16476 days ago · 2 km deep · 84 km away
  3. 1.54 km WNW of Potter Valley, California · 16477 days ago · 9 km deep · 31 km away
  4. 1.610 km ESE of Willits, California · 16477 days ago · 6 km deep · 25 km away
  5. 1.69 km WSW of Cobb, California · 16478 days ago · 2 km deep · 84 km away
  6. 1.69 km WSW of Cobb, California · 16478 days ago · 2 km deep · 84 km away
  7. 1.78 km W of Cobb, California · 16478 days ago · 1 km deep · 83 km away
  8. 2.67 km W of Cobb, California · 16478 days ago · 1 km deep · 83 km away
  9. 1.57 km W of Cobb, California · 16478 days ago · 1 km deep · 83 km away
  10. 1.78 km WSW of Cobb, California · 16479 days ago · 1 km deep · 84 km away
  11. 1.82 km WNW of Cobb, California · 16481 days ago · 0 km deep · 87 km away
  12. 2.04 km N of Redway, California · 16481 days ago · 20 km deep · 96 km away
  13. 2.17 km WSW of Cobb, California · 16481 days ago · 4 km deep · 85 km away
  14. 1.66 km ESE of Talmage, California · 16481 days ago · 8 km deep · 43 km away
  15. 2.04 km WSW of Cobb, California · 16481 days ago · 4 km deep · 87 km away
  16. 1.76 km W of Cobb, California · 16482 days ago · 3 km deep · 85 km away
  17. 1.92 km NE of Garberville, California · 16485 days ago · 17 km deep · 90 km away
  18. 1.79 km WSW of Cobb, California · 16486 days ago · 2 km deep · 84 km away
  19. 2.07 km WSW of Cobb, California · 16486 days ago · 0 km deep · 85 km away
  20. 1.99 km NW of Redwood Valley, California · 16488 days ago · 5 km deep · 21 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1066783. Read Thu, Sep 24, 2026, 12:17 AM UTC.