California earthquakes

M2.4 earthquake 6 km W of Cobb, California

A magnitude 2.4 earthquake struck 6 km W of Cobb, California on Thu, Feb 15, 1979, 1:50 AM PST (09:50 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M3.2 13 km WNW of Brooktrails, 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
2.4 (md), micro
Local time
UTC
1979-02-15 09:50:54 UTC
Depth
0.0 km (0.0 mi), shallow
Epicenter
38.811° N, 122.800° 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, 0.3 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
57°
Stations used
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 75 in the 60 days after this one and 34 in the 30 days before it.

After

  1. 1.910 km NE of Willits, California · 17394 days ago · 3 km deep · 83 km away
  2. 2.58 km WSW of Cobb, California · 17393 days ago · 2 km deep · 1 km away
  3. 2.17 km W of Cobb, California · 17392 days ago · 1 km deep · 0 km away
  4. 1.77 km WSW of Cobb, California · 17391 days ago · 2 km deep · 1 km away
  5. 1.99 km NE of Hopland, California · 17386 days ago · 5 km deep · 34 km away
  6. 2.28 km W of Cobb, California · 17384 days ago · 1 km deep · 1 km away
  7. 2.313 km NNE of Brooktrails, California · 17384 days ago · 7 km deep · 96 km away
  8. 2.86 km W of Cobb, California · 17384 days ago · 3 km deep · 1 km away
  9. 1.78 km WSW of Cobb, California · 17383 days ago · 3 km deep · 2 km away
  10. 2.3Northern California · 17383 days ago · 4 km deep · 1 km away
  11. 2.07 km ENE of Brooktrails, California · 17381 days ago · 5 km deep · 85 km away
  12. 2.46 km W of Cobb, California · 17380 days ago · 4 km deep · 1 km away
  13. 1.86 km E of Woodland, California · 17380 days ago · 12 km deep · 97 km away
  14. 2.37 km W of Cobb, California · 17378 days ago · 3 km deep · 1 km away
  15. 2.06 km ESE of Willits, California · 17377 days ago · 10 km deep · 77 km away
  16. 2.32 km SSW of Monument Hills, California · 17377 days ago · 9 km deep · 81 km away
  17. 1.87 km W of Cobb, California · 17376 days ago · 0 km deep · 1 km away
  18. 2.42 km ESE of Calpella, California · 17374 days ago · 6 km deep · 56 km away
  19. 3.213 km WNW of Brooktrails, California · 17374 days ago · 22 km deep · 99 km away
  20. 2.07 km NNW of Redwood Valley, California · 17373 days ago · 7 km deep · 69 km away
  21. 2.323 km NE of Potter Valley, California · 17373 days ago · 10 km deep · 77 km away
  22. 1.86 km WSW of Cobb, California · 17373 days ago · 1 km deep · 1 km away
  23. 2.68 km WSW of Cobb, California · 17372 days ago · 3 km deep · 2 km away
  24. 2.816 km NNE of Nice, California · 17371 days ago · 7 km deep · 49 km away
  25. 2.617 km NNE of Nice, California · 17370 days ago · 4 km deep · 49 km away
  26. 1.711 km E of Lower Lake, California · 17368 days ago · 15 km deep · 31 km away
  27. 2.14 km WSW of Cobb, California · 17368 days ago · 1 km deep · 3 km away
  28. 2.38 km ENE of Lower Lake, California · 17368 days ago · 9 km deep · 28 km away
  29. 1.55 km SSE of Moskowite Corner, California · 17367 days ago · 5 km deep · 71 km away
  30. 2.315 km E of Angwin, California · 17366 days ago · 2 km deep · 52 km away
  31. 1.916 km E of Potter Valley, California · 17365 days ago · 2 km deep · 60 km away
  32. 2.04 km WSW of Cobb, California · 17365 days ago · 4 km deep · 3 km away
  33. 2.110 km NNE of Brooktrails, California · 17364 days ago · 8 km deep · 92 km away
  34. 2.17 km W of Cobb, California · 17364 days ago · 3 km deep · 1 km away
  35. 2.13 km ESE of Calpella, California · 17364 days ago · 6 km deep · 55 km away
  36. 1.813 km E of Hidden Valley Lake, California · 17363 days ago · 8 km deep · 34 km away
  37. 2.16 km WSW of Cobb, California · 17363 days ago · 1 km deep · 1 km away
  38. 2.86 km W of Cobb, California · 17362 days ago · 3 km deep · 1 km away
  39. 2.015 km NNE of Angwin, California · 17360 days ago · 11 km deep · 39 km away
  40. 1.614 km NNE of Angwin, California · 17360 days ago · 4 km deep · 38 km away
  41. 1.99 km SSE of Hopland, California · 17360 days ago · 5 km deep · 25 km away
  42. 1.74 km WSW of Cobb, California · 17360 days ago · 1 km deep · 3 km away
  43. 1.96 km N of Cloverdale, California · 17359 days ago · 6 km deep · 20 km away
  44. 2.06 km N of Cloverdale, California · 17359 days ago · 5 km deep · 20 km away
  45. 2.2Northern California · 17359 days ago · -1 km deep · 58 km away
  46. 1.916 km WSW of Guinda, California · 17359 days ago · 5 km deep · 38 km away
  47. 1.65 km ESE of Clearlake Oaks, California · 17357 days ago · 2 km deep · 28 km away
  48. 2.16 km W of Cobb, California · 17357 days ago · 4 km deep · 2 km away
  49. 1.85 km SE of Santa Rosa, California · 17357 days ago · 10 km deep · 46 km away
  50. 1.98 km NNE of Hopland, California · 17356 days ago · 2 km deep · 36 km away
  51. 1.88 km NNE of Hopland, California · 17356 days ago · 0 km deep · 36 km away
  52. 2.319 km NE of Upper Lake, California · 17356 days ago · 8 km deep · 55 km away
  53. 1.86 km ENE of Brooktrails, California · 17355 days ago · 4 km deep · 85 km away
  54. 1.70 km NNE of Larkfield-Wikiup, California · 17353 days ago · 4 km deep · 33 km away
  55. 1.58 km WSW of Cobb, California · 17353 days ago · 4 km deep · 2 km away
  56. 1.69 km E of Willits, California · 17352 days ago · 4 km deep · 76 km away
  57. 1.65 km ENE of Lucerne, California · 17351 days ago · 8 km deep · 34 km away
  58. 1.53 km ESE of Calpella, California · 17349 days ago · 5 km deep · 55 km away
  59. 1.75 km NE of Nice, California · 17349 days ago · 9 km deep · 39 km away
  60. 2.13 km ESE of Calpella, California · 17348 days ago · 6 km deep · 56 km away

The first 60 of 75.

Before

  1. 1.77 km ENE of Healdsburg, California · 17396 days ago · 6 km deep · 19 km away
  2. 2.923 km NE of Willits, California · 17397 days ago · 5 km deep · 85 km away
  3. 1.610 km E of Willits, California · 17398 days ago · 2 km deep · 76 km away
  4. 1.74 km WSW of Cobb, California · 17400 days ago · 1 km deep · 3 km away
  5. 1.74 km WSW of Cobb, California · 17400 days ago · 2 km deep · 3 km away
  6. 1.61 km WSW of Guinda, California · 17401 days ago · 5 km deep · 52 km away
  7. 1.97 km ENE of Hopland, California · 17401 days ago · 5 km deep · 28 km away
  8. 2.012 km NE of Brooktrails, California · 17401 days ago · 7 km deep · 91 km away
  9. 2.78 km WNW of Princeton, California · 17404 days ago · 16 km deep · 91 km away
  10. 2.410 km SE of Dunnigan, California · 17405 days ago · 9 km deep · 78 km away
  11. 2.57 km W of Cobb, California · 17406 days ago · 4 km deep · 1 km away
  12. 2.09 km S of Moskowite Corner, California · 17407 days ago · 7 km deep · 72 km away
  13. 2.07 km NE of Inverness, California · 17407 days ago · 0 km deep · 75 km away
  14. 1.52 km ENE of Clear Lake Riviera, California · 17410 days ago · 3 km deep · 19 km away
  15. 2.54 km WSW of Cobb, California · 17410 days ago · 2 km deep · 3 km away
  16. 1.67 km W of Cobb, California · 17410 days ago · -1 km deep · 1 km away
  17. 1.95 km ESE of Healdsburg, California · 17411 days ago · 6 km deep · 23 km away
  18. 2.06 km W of Cobb, California · 17411 days ago · 4 km deep · 1 km away
  19. 2.68 km E of Willits, California · 17411 days ago · 9 km deep · 77 km away
  20. 3.08 km E of Willits, California · 17411 days ago · 8 km deep · 77 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1044667. Read Wed, Sep 30, 2026, 10:26 PM UTC.