California earthquakes

M1.5 earthquake 5 km WSW of Cobb, California

A magnitude 1.5 earthquake struck 5 km WSW of Cobb, California on Mon, Jan 19, 1981, 4:18 PM PST (00:18 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M2.4 6 km WSW of Cobb, 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.

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The earthquake

Magnitude
1.5 (md), micro
Local time
UTC
1981-01-20 00:18:16 UTC
Depth
0.4 km (0.2 mi), shallow
Epicenter
38.801° N, 122.784° 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 0.2 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
58°
Stations used
13

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 65 in the 30 days before it.

After

  1. 2.46 km WSW of Cobb, California · 16681 days ago · 5 km deep · 1 km away
  2. 2.26 km W of Cobb, California · 16681 days ago · 4 km deep · 2 km away
  3. 1.54 km SE of Clear Lake Riviera, California · 16680 days ago · 3 km deep · 17 km away
  4. 1.67 km WSW of Cobb, California · 16680 days ago · 2 km deep · 2 km away
  5. 1.96 km SW of Kenwood, California · 16680 days ago · 0 km deep · 49 km away
  6. 2.219 km W of Elk Creek, California · 16679 days ago · 7 km deep · 92 km away
  7. 2.69 km WSW of Cobb, California · 16678 days ago · 2 km deep · 3 km away
  8. 1.59 km WSW of Cobb, California · 16677 days ago · 1 km deep · 4 km away
  9. 2.66 km N of Princeton, California · 16677 days ago · 13 km deep · 100 km away
  10. 1.911 km NNW of Brooktrails, California · 16676 days ago · 8 km deep · 99 km away
  11. 1.89 km WSW of Cobb, California · 16675 days ago · 2 km deep · 4 km away
  12. 2.04 km NW of Philo, California · 16674 days ago · 5 km deep · 69 km away
  13. 2.44 km WSW of Cobb, California · 16674 days ago · 2 km deep · 2 km away
  14. 1.93 km NNE of Larkfield-Wikiup, California · 16674 days ago · 3 km deep · 29 km away
  15. 1.66 km W of Cobb, California · 16673 days ago · 3 km deep · 2 km away
  16. 1.816 km NE of Upper Lake, California · 16672 days ago · 0 km deep · 52 km away
  17. 1.76 km WSW of Cobb, California · 16672 days ago · 0 km deep · 1 km away
  18. 1.56 km W of Cobb, California · 16670 days ago · 3 km deep · 2 km away
  19. 1.66 km NNE of Larkfield-Wikiup, California · 16669 days ago · 3 km deep · 27 km away
  20. 1.88 km NNW of Princeton, California · 16669 days ago · 14 km deep · 98 km away
  21. 1.723 km NE of Potter Valley, California · 16669 days ago · 9 km deep · 77 km away
  22. 1.58 km NE of Willits, California · 16668 days ago · 3 km deep · 84 km away
  23. 1.56 km W of Cobb, California · 16667 days ago · 2 km deep · 2 km away
  24. 1.810 km W of Cobb, California · 16666 days ago · 1 km deep · 6 km away
  25. 1.6Northern California · 16664 days ago · 1 km deep · 1 km away
  26. 1.84 km NNE of Healdsburg, California · 16663 days ago · 35 km deep · 18 km away
  27. 2.0Northern California · 16663 days ago · 1 km deep · 1 km away
  28. 2.77 km NE of Hopland, California · 16663 days ago · 5 km deep · 33 km away
  29. 1.95 km WSW of Cobb, California · 16663 days ago · -1 km deep · 1 km away
  30. 1.86 km WSW of Cobb, California · 16662 days ago · 1 km deep · 1 km away
  31. 2.66 km W of Cobb, California · 16662 days ago · 3 km deep · 2 km away
  32. 1.64 km WSW of Cobb, California · 16662 days ago · 1 km deep · 1 km away
  33. 2.44 km WSW of Cobb, California · 16662 days ago · 1 km deep · 1 km away
  34. 2.56 km WSW of Cobb, California · 16662 days ago · 3 km deep · 2 km away
  35. 1.65 km W of Cobb, California · 16661 days ago · 1 km deep · 3 km away
  36. 1.67 km E of Willits, California · 16661 days ago · 7 km deep · 79 km away
  37. 2.123 km WSW of Elk Creek, California · 16660 days ago · 7 km deep · 84 km away
  38. 2.18 km W of Cobb, California · 16660 days ago · -1 km deep · 3 km away
  39. 2.310 km W of Cobb, California · 16660 days ago · 1 km deep · 5 km away
  40. 1.99 km WSW of Cobb, California · 16659 days ago · 2 km deep · 4 km away
  41. 1.92 km ENE of Clear Lake Riviera, California · 16658 days ago · 3 km deep · 20 km away
  42. 1.59 km WSW of Cobb, California · 16658 days ago · 2 km deep · 4 km away
  43. 1.69 km WSW of Cobb, California · 16657 days ago · 2 km deep · 4 km away
  44. 2.522 km WSW of Elk Creek, California · 16655 days ago · 6 km deep · 83 km away
  45. 2.09 km WSW of Cobb, California · 16654 days ago · 1 km deep · 4 km away
  46. 1.85 km SE of Boonville, California · 16653 days ago · 7 km deep · 50 km away
  47. 2.014 km ESE of Hidden Valley Lake, California · 16651 days ago · 6 km deep · 33 km away
  48. 2.37 km WSW of Cobb, California · 16651 days ago · 0 km deep · 3 km away
  49. 2.24 km WSW of Cobb, California · 16650 days ago · 2 km deep · 2 km away
  50. 2.54 km SE of Larkfield-Wikiup, California · 16650 days ago · 6 km deep · 35 km away
  51. 2.85 km W of Cobb, California · 16649 days ago · 2 km deep · 3 km away
  52. 1.720 km ENE of Brooktrails, California · 16648 days ago · 9 km deep · 89 km away
  53. 1.78 km WSW of Cobb, California · 16648 days ago · 0 km deep · 3 km away
  54. 1.99 km WSW of Cobb, California · 16648 days ago · 1 km deep · 4 km away
  55. 2.65 km WSW of Cobb, CA · 16647 days ago · 2 km deep · 1 km away
  56. 1.55 km WSW of Cobb, California · 16647 days ago · -1 km deep · 1 km away
  57. 1.57 km WSW of Cobb, California · 16647 days ago · 1 km deep · 2 km away
  58. 1.510 km W of Cobb, California · 16645 days ago · 1 km deep · 5 km away
  59. 1.69 km WSW of Cobb, California · 16644 days ago · 1 km deep · 4 km away
  60. 2.97 km WSW of Cobb, California · 16644 days ago · 1 km deep · 2 km away

The first 60 of 107.

Before

  1. 1.66 km W of Cobb, California · 16682 days ago · 4 km deep · 2 km away
  2. 1.66 km W of Cobb, California · 16682 days ago · 3 km deep · 2 km away
  3. 2.16 km W of Cobb, California · 16682 days ago · 3 km deep · 3 km away
  4. 2.04 km WSW of Cobb, California · 16684 days ago · -1 km deep · 1 km away
  5. 2.36 km WSW of Cobb, California · 16684 days ago · 2 km deep · 1 km away
  6. 1.912 km WNW of Calistoga, California · 16684 days ago · 13 km deep · 19 km away
  7. 1.66 km WSW of Cobb, California · 16684 days ago · 1 km deep · 1 km away
  8. 1.51 km NNW of Clear Lake Riviera, California · 16685 days ago · 8 km deep · 19 km away
  9. 1.89 km WSW of Cobb, California · 16686 days ago · 1 km deep · 4 km away
  10. 1.63 km E of Lucerne, California · 16686 days ago · 5 km deep · 32 km away
  11. 2.57 km WSW of Cobb, California · 16688 days ago · 1 km deep · 2 km away
  12. 1.711 km S of Albion, California · 16689 days ago · 10 km deep · 91 km away
  13. 1.614 km SSW of Albion, California · 16689 days ago · 11 km deep · 95 km away
  14. 1.56 km WSW of Cobb, California · 16690 days ago · 1 km deep · 1 km away
  15. 2.28 km ESE of Hidden Valley Lake, California · 16690 days ago · 8 km deep · 28 km away
  16. 1.62 km SSW of Moskowite Corner, California · 16690 days ago · 11 km deep · 65 km away
  17. 2.54 km ENE of Penngrove, California · 16690 days ago · 0 km deep · 56 km away
  18. 1.94 km SE of Clear Lake Riviera, California · 16691 days ago · 5 km deep · 16 km away
  19. 1.96 km WSW of Cobb, California · 16691 days ago · 1 km deep · 1 km away
  20. 1.83 km SE of Clear Lake Riviera, California · 16691 days ago · 6 km deep · 17 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1059439. Read Wed, Sep 23, 2026, 3:34 AM UTC.