California earthquakes

M1.9 earthquake 5 km WSW of Cobb, California

A magnitude 1.9 earthquake struck 5 km WSW of Cobb, California on Mon, Mar 2, 1981, 12:54 AM PST (08:54 UTC), -1 km (-1 mi) below the surface.

A larger quake followed: M3.0 10 km W of Point Arena, California. This one was a foreshock.

Cobb 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
1.9 (md), micro
Local time
UTC
1981-03-02 08:54:41 UTC
Depth
-1.0 km (-0.6 mi), shallow
Epicenter
38.811° N, 122.790° 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 0.6 km horizontally, 1.2 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
124°
Stations used
6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 107 in the 60 days after this one and 49 in the 30 days before it.

After

  1. 1.82 km SW of Moskowite Corner, California · 16647 days ago · 8 km deep · 66 km away
  2. 1.76 km W of Cobb, California · 16647 days ago · 3 km deep · 1 km away
  3. 1.96 km N of Cloverdale, California · 16647 days ago · 5 km deep · 19 km away
  4. 2.18 km NE of Hidden Valley Lake, California · 16647 days ago · 8 km deep · 27 km away
  5. 1.76 km WSW of Cobb, California · 16647 days ago · 0 km deep · 0 km away
  6. 1.77 km NE of Hidden Valley Lake, California · 16647 days ago · 7 km deep · 26 km away
  7. 2.64 km WSW of Cobb, California · 16646 days ago · 2 km deep · 2 km away
  8. 1.54 km WSW of Cobb, California · 16646 days ago · 4 km deep · 2 km away
  9. 1.65 km SW of Cobb, California · 16645 days ago · 0 km deep · 3 km away
  10. 2.1Northern California · 16644 days ago · -1 km deep · 3 km away
  11. 1.93 km NNW of Redwood Valley, California · 16644 days ago · 6 km deep · 66 km away
  12. 1.86 km W of Cobb, California · 16643 days ago · 2 km deep · 0 km away
  13. 1.63 km W of Clearlake, California · 16643 days ago · 4 km deep · 19 km away
  14. 1.63 km W of Clearlake, California · 16643 days ago · 0 km deep · 20 km away
  15. 2.67 km WSW of Cobb, California · 16643 days ago · 1 km deep · 1 km away
  16. 2.03 km W of Clearlake, California · 16643 days ago · 0 km deep · 20 km away
  17. 1.73 km W of Clearlake, California · 16643 days ago · 2 km deep · 20 km away
  18. 1.53 km WNW of Clearlake, California · 16643 days ago · 2 km deep · 21 km away
  19. 1.53 km E of Clear Lake Riviera, California · 16643 days ago · 1 km deep · 19 km away
  20. 1.67 km W of Cobb, California · 16641 days ago · 2 km deep · 2 km away
  21. 2.19 km WSW of Cobb, California · 16640 days ago · 1 km deep · 3 km away
  22. 2.15 km SW of Cobb, California · 16640 days ago · 0 km deep · 3 km away
  23. 1.99 km NW of Redwood Valley, CA · 16639 days ago · 5 km deep · 71 km away
  24. 2.49 km NW of Redwood Valley, California · 16639 days ago · 4 km deep · 71 km away
  25. 1.79 km NW of Redwood Valley, California · 16639 days ago · 5 km deep · 72 km away
  26. 1.69 km NW of Redwood Valley, California · 16639 days ago · 4 km deep · 71 km away
  27. 1.95 km SW of Cobb, California · 16638 days ago · 0 km deep · 3 km away
  28. 1.88 km WSW of Cobb, CA · 16637 days ago · 2 km deep · 2 km away
  29. 2.05 km ENE of Willits, CA · 16637 days ago · 2 km deep · 82 km away
  30. 1.76 km WSW of Cobb, California · 16635 days ago · 0 km deep · 1 km away
  31. 2.07 km WSW of Cobb, California · 16633 days ago · 1 km deep · 1 km away
  32. 1.86 km W of Cobb, California · 16633 days ago · 4 km deep · 1 km away
  33. 1.65 km SW of Cobb, California · 16633 days ago · 1 km deep · 3 km away
  34. 1.710 km NNW of Potter Valley, California · 16632 days ago · 7 km deep · 74 km away
  35. 2.29 km ENE of Hidden Valley Lake, California · 16631 days ago · 8 km deep · 29 km away
  36. 1.610 km E of Hidden Valley Lake, California · 16631 days ago · 7 km deep · 30 km away
  37. 1.96 km W of Cobb, California · 16631 days ago · 3 km deep · 1 km away
  38. 2.08 km W of Cobb, California · 16629 days ago · 1 km deep · 3 km away
  39. 1.88 km W of Cobb, California · 16629 days ago · 1 km deep · 3 km away
  40. 1.59 km W of Cobb, California · 16629 days ago · 1 km deep · 3 km away
  41. 1.79 km WSW of Cobb, California · 16627 days ago · 1 km deep · 4 km away
  42. 2.69 km E of Hidden Valley Lake, California · 16627 days ago · 11 km deep · 30 km away
  43. 2.27 km WSW of Cobb, California · 16626 days ago · 2 km deep · 2 km away
  44. 1.85 km WSW of Cobb, California · 16626 days ago · 0 km deep · 2 km away
  45. 1.77 km WSW of Cobb, California · 16626 days ago · 0 km deep · 2 km away
  46. 1.76 km WSW of Cobb, California · 16626 days ago · 1 km deep · 0 km away
  47. 2.06 km ESE of Roseland, California · 16625 days ago · 8 km deep · 48 km away
  48. 1.76 km WSW of Cobb, California · 16624 days ago · 3 km deep · 1 km away
  49. 2.09 km WSW of Cobb, California · 16624 days ago · 2 km deep · 3 km away
  50. 1.77 km W of Cobb, California · 16624 days ago · 1 km deep · 3 km away
  51. 1.68 km W of Cobb, California · 16623 days ago · 0 km deep · 3 km away
  52. 1.614 km E of Potter Valley, California · 16621 days ago · 6 km deep · 60 km away
  53. 1.63 km NE of Clear Lake Riviera, California · 16620 days ago · -1 km deep · 20 km away
  54. 2.18 km ENE of Hidden Valley Lake, California · 16619 days ago · 7 km deep · 29 km away
  55. 1.62 km NE of Clear Lake Riviera, California · 16619 days ago · 4 km deep · 20 km away
  56. 1.76 km W of Cobb, California · 16619 days ago · 2 km deep · 1 km away
  57. 2.38 km ENE of Hidden Valley Lake, California · 16619 days ago · 8 km deep · 29 km away
  58. 1.77 km WSW of Cobb, California · 16618 days ago · 2 km deep · 2 km away
  59. 3.010 km W of Point Arena, California · 16618 days ago · 7 km deep · 89 km away
  60. 1.86 km WSW of Cobb, California · 16617 days ago · 4 km deep · 1 km away

The first 60 of 107.

Before

  1. 1.87 km WSW of Cobb, California · 16648 days ago · 1 km deep · 2 km away
  2. 2.28 km WSW of Cobb, California · 16648 days ago · 0 km deep · 2 km away
  3. 2.07 km W of Cobb, California · 16650 days ago · 0 km deep · 2 km away
  4. 1.67 km WSW of Cobb, California · 16650 days ago · 1 km deep · 2 km away
  5. 1.913 km NNE of Angwin, California · 16650 days ago · 10 km deep · 37 km away
  6. 1.57 km WSW of Cobb, California · 16650 days ago · 1 km deep · 2 km away
  7. 2.97 km WSW of Cobb, California · 16650 days ago · 1 km deep · 2 km away
  8. 1.69 km WSW of Cobb, California · 16651 days ago · 1 km deep · 4 km away
  9. 1.510 km W of Cobb, California · 16651 days ago · 1 km deep · 4 km away
  10. 1.57 km WSW of Cobb, California · 16654 days ago · 1 km deep · 2 km away
  11. 1.55 km WSW of Cobb, California · 16654 days ago · -1 km deep · 2 km away
  12. 2.65 km WSW of Cobb, CA · 16654 days ago · 2 km deep · 2 km away
  13. 1.99 km WSW of Cobb, California · 16654 days ago · 1 km deep · 3 km away
  14. 1.78 km WSW of Cobb, California · 16654 days ago · 0 km deep · 3 km away
  15. 1.720 km ENE of Brooktrails, California · 16655 days ago · 9 km deep · 87 km away
  16. 2.85 km W of Cobb, California · 16656 days ago · 2 km deep · 2 km away
  17. 2.54 km SE of Larkfield-Wikiup, California · 16656 days ago · 6 km deep · 36 km away
  18. 2.24 km WSW of Cobb, California · 16657 days ago · 2 km deep · 2 km away
  19. 2.37 km WSW of Cobb, California · 16658 days ago · 0 km deep · 2 km away
  20. 2.014 km ESE of Hidden Valley Lake, California · 16658 days ago · 6 km deep · 34 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1060911. Read Tue, Sep 29, 2026, 7:18 PM UTC.