California earthquakes

M1.5 earthquake 6 km SW of Cobb, California

A magnitude 1.5 earthquake struck 6 km SW of Cobb, California on Mon, Jul 26, 1982, 3:50 PM PDT (22:50 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M4.0 2 km NNE of Elk Creek, 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
1982-07-26 22:50:46 UTC
Depth
2.4 km (1.5 mi), shallow
Epicenter
38.780° N, 122.774° 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 0.3 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.23
Depth from
From location
Station coverage gap
48°
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 122 in the 60 days after this one and 56 in the 30 days before it.

After

  1. 1.910 km SE of Hopland, California · 16137 days ago · 7 km deep · 26 km away
  2. 2.217 km NE of Upper Lake, California · 16136 days ago · 7 km deep · 57 km away
  3. 1.7Northern California · 16136 days ago · 11 km deep · 80 km away
  4. 1.75 km NNE of Clearlake, California · 16136 days ago · 2 km deep · 29 km away
  5. 2.220 km W of Elk Creek, California · 16132 days ago · 5 km deep · 92 km away
  6. 1.924 km NE of Potter Valley, California · 16132 days ago · 9 km deep · 81 km away
  7. 3.014 km WSW of Elk Creek, California · 16131 days ago · -1 km deep · 87 km away
  8. 2.15 km WSW of Cobb, California · 16131 days ago · 0 km deep · 2 km away
  9. 1.918 km NNE of Upper Lake, California · 16131 days ago · 7 km deep · 60 km away
  10. 2.52 km WNW of Cobb, California · 16131 days ago · 2 km deep · 6 km away
  11. 1.73 km SW of Rutherford, California · 16130 days ago · 4 km deep · 48 km away
  12. 1.98 km E of Lower Lake, California · 16130 days ago · 6 km deep · 28 km away
  13. 2.27 km E of Lower Lake, California · 16130 days ago · -1 km deep · 27 km away
  14. 2.08 km E of Lower Lake, California · 16130 days ago · 3 km deep · 27 km away
  15. 1.76 km ENE of Lower Lake, California · 16130 days ago · 2 km deep · 27 km away
  16. 2.48 km E of Lower Lake, California · 16130 days ago · 1 km deep · 27 km away
  17. 1.87 km E of Lower Lake, California · 16130 days ago · 2 km deep · 26 km away
  18. 1.66 km W of Cobb, California · 16129 days ago · 3 km deep · 5 km away
  19. 1.67 km WSW of Cobb, California · 16129 days ago · 3 km deep · 3 km away
  20. 2.04 km SE of Clear Lake Riviera, California · 16129 days ago · 2 km deep · 18 km away
  21. 2.65 km SE of Clear Lake Riviera, California · 16129 days ago · 0 km deep · 18 km away
  22. 2.24 km SE of Clear Lake Riviera, California · 16128 days ago · 2 km deep · 18 km away
  23. 3.04 km SE of Clear Lake Riviera, California · 16128 days ago · 3 km deep · 17 km away
  24. 1.94 km SE of Clear Lake Riviera, California · 16128 days ago · 1 km deep · 18 km away
  25. 1.76 km ENE of Willits, California · 16128 days ago · -1 km deep · 85 km away
  26. 2.74 km SE of Clear Lake Riviera, California · 16128 days ago · 3 km deep · 18 km away
  27. 1.63 km SSE of Clear Lake Riviera, California · 16128 days ago · -1 km deep · 17 km away
  28. 1.84 km SSE of Clear Lake Riviera, California · 16128 days ago · 0 km deep · 16 km away
  29. 2.44 km SE of Clear Lake Riviera, California · 16128 days ago · 1 km deep · 17 km away
  30. 2.14 km SE of Clear Lake Riviera, California · 16128 days ago · 2 km deep · 18 km away
  31. 1.94 km SE of Clear Lake Riviera, California · 16128 days ago · 2 km deep · 17 km away
  32. 1.64 km SE of Clear Lake Riviera, California · 16128 days ago · 2 km deep · 18 km away
  33. 1.85 km SE of Clear Lake Riviera, California · 16127 days ago · 4 km deep · 17 km away
  34. 1.83 km SSE of Clear Lake Riviera, California · 16127 days ago · 1 km deep · 17 km away
  35. 1.68 km WSW of Cobb, California · 16127 days ago · 3 km deep · 4 km away
  36. 2.86 km W of Cobb, California · 16126 days ago · 3 km deep · 5 km away
  37. 1.66 km SW of Cobb, California · 16126 days ago · 2 km deep · 1 km away
  38. 2.45 km SW of Cobb, California · 16126 days ago · -1 km deep · 0 km away
  39. 1.85 km SW of Cobb, California · 16126 days ago · 0 km deep · 1 km away
  40. 1.75 km SW of Cobb, California · 16126 days ago · -1 km deep · 1 km away
  41. 2.35 km SW of Cobb, California · 16126 days ago · 1 km deep · 1 km away
  42. 1.65 km SW of Cobb, California · 16126 days ago · 0 km deep · 1 km away
  43. 1.9Northern California · 16125 days ago · 3 km deep · 84 km away
  44. 2.71 km NW of Rollingwood, California · 16125 days ago · 7 km deep · 97 km away
  45. 2.76 km W of Cobb, California · 16125 days ago · 4 km deep · 4 km away
  46. 2.022 km NE of Potter Valley, California · 16124 days ago · 1 km deep · 78 km away
  47. 2.02 km NW of Glen Ellen, California · 16123 days ago · 8 km deep · 48 km away
  48. 1.82 km NNW of Glen Ellen, California · 16123 days ago · 10 km deep · 49 km away
  49. 1.92 km NW of Glen Ellen, California · 16123 days ago · 9 km deep · 49 km away
  50. 2.26 km W of Cobb, California · 16122 days ago · 3 km deep · 4 km away
  51. 1.720 km W of Elk Creek, California · 16120 days ago · 4 km deep · 92 km away
  52. 2.44 km SW of Green Valley, California · 16119 days ago · 12 km deep · 80 km away
  53. 1.83 km SE of Clear Lake Riviera, California · 16119 days ago · -1 km deep · 19 km away
  54. 1.86 km WSW of Cobb, California · 16117 days ago · 0 km deep · 3 km away
  55. 2.33 km SSE of Point Arena, California · 16117 days ago · 4 km deep · 79 km away
  56. 1.82 km NNE of Princeton, California · 16116 days ago · 12 km deep · 98 km away
  57. 1.624 km NE of Potter Valley, California · 16115 days ago · 10 km deep · 81 km away
  58. 1.77 km WSW of Cobb, California · 16115 days ago · 1 km deep · 4 km away
  59. 2.717 km WNW of Elk Creek, California · 16115 days ago · -1 km deep · 97 km away
  60. 2.76 km WSW of Cobb, California · 16114 days ago · 3 km deep · 3 km away

The first 60 of 122.

Before

  1. 1.75 km SW of Cobb, California · 16137 days ago · 1 km deep · 1 km away
  2. 1.59 km WSW of Cobb, California · 16138 days ago · 1 km deep · 5 km away
  3. 1.84 km E of Point Arena, California · 16138 days ago · 3 km deep · 76 km away
  4. 2.012 km SSW of Hopland, California · 16139 days ago · 0 km deep · 34 km away
  5. 1.57 km WSW of Cobb, California · 16140 days ago · 3 km deep · 4 km away
  6. 2.09 km WNW of Cobb, California · 16143 days ago · 1 km deep · 9 km away
  7. 1.513 km NNW of Moskowite Corner, California · 16143 days ago · 3 km deep · 51 km away
  8. 1.96 km S of Monument Hills, California · 16143 days ago · 6 km deep · 79 km away
  9. 2.06 km NE of Cloverdale, California · 16145 days ago · 4 km deep · 19 km away
  10. 1.56 km W of Cobb, California · 16146 days ago · 3 km deep · 4 km away
  11. 1.87 km W of Cobb, California · 16146 days ago · 3 km deep · 5 km away
  12. 2.35 km SW of Cobb, California · 16146 days ago · 0 km deep · 1 km away
  13. 1.82 km SW of American Canyon, California · 16148 days ago · 9 km deep · 82 km away
  14. 1.54 km WNW of Ukiah, California · 16149 days ago · 4 km deep · 60 km away
  15. 1.64 km WNW of Ukiah, California · 16149 days ago · 5 km deep · 60 km away
  16. 2.217 km NNE of Nice, California · 16150 days ago · 13 km deep · 53 km away
  17. 2.018 km NNE of Nice, California · 16150 days ago · 8 km deep · 54 km away
  18. 2.118 km NNE of Nice, California · 16150 days ago · 6 km deep · 54 km away
  19. 1.723 km NNE of Potter Valley, California · 16150 days ago · 4 km deep · 85 km away
  20. 2.422 km NNE of Potter Valley, California · 16150 days ago · 1 km deep · 81 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1076626. Read Wed, Sep 30, 2026, 9:08 PM UTC.