California earthquakes

M2.4 earthquake 6 km WNW of Cobb, California

A magnitude 2.4 earthquake struck 6 km WNW of Cobb, California on Fri, Jun 26, 1987, 1:09 PM PDT (20:09 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M2.5 8 km W 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.

Open the live map with earthquakes

The earthquake

Magnitude
2.4 (md), micro
Local time
UTC
1987-06-26 20:09:29 UTC
Depth
0.3 km (0.2 mi), shallow
Epicenter
38.837° N, 122.793° 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 0.1 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
42°
Stations used
25

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 169 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 2.19 km WSW of Cobb, California · 14318 days ago · 1 km deep · 5 km away
  2. 2.08 km W of Cobb, California · 14318 days ago · 0 km deep · 3 km away
  3. 2.19 km WSW of Cobb, California · 14318 days ago · 2 km deep · 5 km away
  4. 1.99 km NNE of Brooktrails, California · 14317 days ago · 9 km deep · 89 km away
  5. 1.54 km SW of Cobb, California · 14317 days ago · 0 km deep · 6 km away
  6. 2.16 km WSW of Cobb, California · 14316 days ago · 3 km deep · 3 km away
  7. 1.93 km NNW of Cloverdale, California · 14316 days ago · -1 km deep · 20 km away
  8. 1.86 km W of Cobb, California · 14316 days ago · -1 km deep · 3 km away
  9. 1.73 km W of Cobb, California · 14315 days ago · -1 km deep · 3 km away
  10. 2.06 km W of Cobb, California · 14315 days ago · 3 km deep · 2 km away
  11. 1.84 km W of Cobb, California · 14315 days ago · 0 km deep · 2 km away
  12. 2.58 km W of Cobb, California · 14315 days ago · 0 km deep · 3 km away
  13. 1.88 km W of Cobb, California · 14315 days ago · -1 km deep · 3 km away
  14. 1.68 km W of Cobb, California · 14315 days ago · 1 km deep · 3 km away
  15. 2.27 km WSW of Cobb, California · 14315 days ago · 0 km deep · 4 km away
  16. 1.84 km WNW of Cobb, California · 14314 days ago · 2 km deep · 1 km away
  17. 1.74 km WNW of Cobb, California · 14314 days ago · 2 km deep · 2 km away
  18. 1.65 km SSW of Cobb, California · 14314 days ago · 3 km deep · 7 km away
  19. 2.16 km WSW of Cobb, California · 14314 days ago · 1 km deep · 3 km away
  20. 1.78 km W of Cobb, California · 14313 days ago · 2 km deep · 3 km away
  21. 1.77 km W of Cobb, California · 14313 days ago · 3 km deep · 3 km away
  22. 1.85 km SW of Cobb, California · 14312 days ago · -1 km deep · 7 km away
  23. 2.45 km SW of Cobb, California · 14312 days ago · 2 km deep · 6 km away
  24. 1.64 km N of Cloverdale, California · 14312 days ago · 4 km deep · 20 km away
  25. 2.09 km W of Cobb, California · 14312 days ago · -1 km deep · 4 km away
  26. 1.79 km W of Cobb, California · 14312 days ago · -1 km deep · 4 km away
  27. 2.15 km W of Cobb, California · 14312 days ago · 0 km deep · 2 km away
  28. 1.76 km WSW of Cobb, California · 14312 days ago · 0 km deep · 3 km away
  29. 1.65 km SSW of Cobb, California · 14312 days ago · 4 km deep · 8 km away
  30. 1.76 km WSW of Cobb, California · 14312 days ago · 1 km deep · 4 km away
  31. 1.68 km WSW of Cobb, California · 14310 days ago · 3 km deep · 5 km away
  32. 1.817 km NNE of Angwin, California · 14310 days ago · 6 km deep · 37 km away
  33. 1.66 km W of Cobb, California · 14309 days ago · 2 km deep · 3 km away
  34. 1.95 km W of Cobb, California · 14309 days ago · -1 km deep · 2 km away
  35. 1.66 km W of Cobb, California · 14309 days ago · 1 km deep · 1 km away
  36. 2.55 km WSW of Cobb, California · 14309 days ago · 0 km deep · 4 km away
  37. 2.04 km SW of Cobb, California · 14309 days ago · 42 km deep · 6 km away
  38. 1.93 km NW of Hidden Valley Lake, California · 14308 days ago · 22 km deep · 18 km away
  39. 2.57 km W of Cobb, California · 14308 days ago · 1 km deep · 2 km away
  40. 1.68 km W of Cobb, California · 14308 days ago · 1 km deep · 4 km away
  41. 1.67 km W of Cobb, California · 14308 days ago · 1 km deep · 2 km away
  42. 1.9Northern California · 14308 days ago · -1 km deep · 4 km away
  43. 1.73 km ESE of Hopland, California · 14308 days ago · 1 km deep · 29 km away
  44. 1.86 km SSW of Calistoga, California · 14307 days ago · 5 km deep · 39 km away
  45. 1.74 km W of Cobb, California · 14307 days ago · 0 km deep · 1 km away
  46. 1.66 km W of Middletown, California · 14307 days ago · -1 km deep · 13 km away
  47. 3.16 km SW of Cobb, California · 14307 days ago · 0 km deep · 6 km away
  48. 2.1Northern California · 14307 days ago · 3 km deep · 3 km away
  49. 1.8Northern California · 14306 days ago · 0 km deep · 4 km away
  50. 1.86 km W of Cobb, California · 14306 days ago · 1 km deep · 1 km away
  51. 1.95 km WSW of Cobb, California · 14306 days ago · -1 km deep · 4 km away
  52. 1.87 km W of Cobb, California · 14306 days ago · 1 km deep · 1 km away
  53. 1.78 km W of Cobb, California · 14306 days ago · 0 km deep · 3 km away
  54. 1.67 km WSW of Cobb, California · 14306 days ago · 3 km deep · 5 km away
  55. 2.14 km WSW of Cobb, California · 14306 days ago · 0 km deep · 4 km away
  56. 1.63 km W of Cobb, California · 14306 days ago · -1 km deep · 3 km away
  57. 2.24 km W of Cobb, California · 14305 days ago · 1 km deep · 2 km away
  58. 1.56 km W of Cobb, California · 14305 days ago · 2 km deep · 2 km away
  59. 2.95 km SW of Cobb, California · 14305 days ago · 0 km deep · 6 km away
  60. 1.87 km W of Cobb, California · 14305 days ago · 3 km deep · 3 km away

The first 60 of 169.

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc102471. Read Tue, Sep 22, 2026, 9:29 PM UTC.