California earthquakes

M2.2 earthquake 10 km SW of Arbuckle, California

A magnitude 2.2 earthquake struck 10 km SW of Arbuckle, California on Sun, Sep 12, 1982, 7:09 AM PDT (14:09 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M2.7 7 km W of Cobb, California. This one was a foreshock.

Arbuckle 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
2.2 (md), micro
Local time
UTC
1982-09-12 14:09:38 UTC
Depth
6.9 km (4.3 mi), shallow
Epicenter
38.940° N, 122.129° 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 0.5 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
127°
Stations used
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 108 in the 60 days after this one and 45 in the 30 days before it.

After

  1. 1.910 km SW of Arbuckle, California · 16081 days ago · 4 km deep · 0 km away
  2. 1.912 km WSW of Hopland, California · 16080 days ago · 6 km deep · 97 km away
  3. 1.66 km W of Cobb, California · 16080 days ago · 2 km deep · 60 km away
  4. 1.913 km WSW of Arbuckle, California · 16080 days ago · 5 km deep · 6 km away
  5. 2.77 km W of Cobb, California · 16077 days ago · 1 km deep · 60 km away
  6. 2.0Northern California · 16077 days ago · 5 km deep · 94 km away
  7. 1.82 km SE of Larkfield-Wikiup, California · 16077 days ago · 5 km deep · 72 km away
  8. 2.36 km SSE of Cobb, California · 16076 days ago · 1 km deep · 53 km away
  9. 2.46 km W of Cobb, California · 16076 days ago · -1 km deep · 59 km away
  10. 1.97 km W of Cobb, California · 16076 days ago · -1 km deep · 60 km away
  11. 1.64 km SW of Hamilton City, California · 16076 days ago · 15 km deep · 86 km away
  12. 1.75 km SW of Cobb, California · 16075 days ago · 1 km deep · 58 km away
  13. 2.06 km WSW of Cobb, California · 16075 days ago · 6 km deep · 59 km away
  14. 2.15 km WSW of Cobb, California · 16074 days ago · 0 km deep · 58 km away
  15. 2.28 km W of Calistoga, California · 16074 days ago · 6 km deep · 61 km away
  16. 3.22 km W of Hamilton City, California · 16074 days ago · 22 km deep · 90 km away
  17. 1.88 km ESE of Hidden Valley Lake, California · 16073 days ago · 7 km deep · 34 km away
  18. 1.88 km W of Cobb, California · 16073 days ago · 1 km deep · 61 km away
  19. 2.39 km ESE of Hidden Valley Lake, California · 16071 days ago · 7 km deep · 34 km away
  20. 2.513 km ESE of Hidden Valley Lake, California · 16070 days ago · -1 km deep · 34 km away
  21. 2.110 km ESE of Hidden Valley Lake, California · 16070 days ago · 7 km deep · 32 km away
  22. 2.24 km S of Hamilton City, California · 16069 days ago · 17 km deep · 85 km away
  23. 1.54 km S of Cobb, California · 16069 days ago · -1 km deep · 54 km away
  24. 1.74 km SSW of Hamilton City, California · 16069 days ago · 18 km deep · 86 km away
  25. 1.84 km WSW of Moskowite Corner, California · 16067 days ago · 9 km deep · 57 km away
  26. 1.517 km ENE of Potter Valley, California · 16066 days ago · 10 km deep · 85 km away
  27. 3.25 km WSW of Cobb, California · 16066 days ago · 1 km deep · 59 km away
  28. 1.87 km W of Calistoga, California · 16065 days ago · 7 km deep · 61 km away
  29. 1.88 km WSW of Cobb, California · 16062 days ago · 0 km deep · 61 km away
  30. 2.7Northern California · 16060 days ago · 6 km deep · 73 km away
  31. 1.98 km WSW of Cobb, California · 16059 days ago · 0 km deep · 61 km away
  32. 2.71 km W of Rackerby, California · 16059 days ago · 30 km deep · 87 km away
  33. 1.916 km NE of Upper Lake, California · 16059 days ago · 5 km deep · 69 km away
  34. 1.94 km S of Cobb, California · 16058 days ago · 0 km deep · 54 km away
  35. 1.69 km WSW of Cobb, California · 16057 days ago · 0 km deep · 62 km away
  36. 1.56 km WSW of Cobb, California · 16057 days ago · 1 km deep · 60 km away
  37. 1.510 km S of Kelseyville, California · 16056 days ago · 1 km deep · 61 km away
  38. 1.58 km WSW of Cobb, California · 16056 days ago · 0 km deep · 61 km away
  39. 1.88 km ESE of Hidden Valley Lake, California · 16056 days ago · 8 km deep · 34 km away
  40. 2.17 km WSW of Cobb, California · 16056 days ago · 4 km deep · 61 km away
  41. 1.712 km NE of Upper Lake, California · 16055 days ago · 0 km deep · 66 km away
  42. 1.811 km SSW of Hopland, California · 16055 days ago · 19 km deep · 90 km away
  43. 1.68 km ESE of Hidden Valley Lake, California · 16055 days ago · 7 km deep · 34 km away
  44. 2.86 km W of Hamilton City, California · 16053 days ago · 19 km deep · 88 km away
  45. 2.23 km S of Hamilton City, California · 16053 days ago · 18 km deep · 86 km away
  46. 1.56 km W of Cobb, California · 16050 days ago · 2 km deep · 60 km away
  47. 2.36 km NE of Hopland, California · 16049 days ago · 2 km deep · 81 km away
  48. 1.94 km N of Kenwood, California · 16049 days ago · 5 km deep · 64 km away
  49. 1.67 km W of Cobb, California · 16049 days ago · 2 km deep · 60 km away
  50. 1.714 km ENE of Willows, California · 16048 days ago · 23 km deep · 69 km away
  51. 1.79 km SW of Clear Lake Riviera, California · 16047 days ago · -1 km deep · 58 km away
  52. 1.96 km ESE of Roseland, California · 16047 days ago · 9 km deep · 76 km away
  53. 1.55 km WSW of Hopland, California · 16045 days ago · 3 km deep · 90 km away
  54. 1.56 km W of Cobb, California · 16045 days ago · 2 km deep · 59 km away
  55. 1.86 km WSW of Cobb, California · 16044 days ago · 3 km deep · 60 km away
  56. 2.94 km WSW of Cobb, California · 16044 days ago · 1 km deep · 58 km away
  57. 2.44 km WSW of Cobb, California · 16044 days ago · 1 km deep · 57 km away
  58. 1.78 km WSW of Cobb, California · 16044 days ago · 0 km deep · 62 km away
  59. 1.66 km WSW of Eldridge, California · 16044 days ago · 8 km deep · 79 km away
  60. 2.22 km N of Elk Creek, California · 16043 days ago · 14 km deep · 85 km away

The first 60 of 108.

Before

  1. 1.69 km SW of Clear Lake Riviera, California · 16082 days ago · -1 km deep · 58 km away
  2. 1.66 km W of Cobb, California · 16085 days ago · 3 km deep · 59 km away
  3. 2.36 km W of Cobb, California · 16085 days ago · 3 km deep · 59 km away
  4. 2.318 km NNE of Upper Lake, California · 16085 days ago · 8 km deep · 71 km away
  5. 3.018 km NE of Upper Lake, California · 16085 days ago · 15 km deep · 70 km away
  6. 1.60 km ENE of Chico, California · 16085 days ago · 5 km deep · 92 km away
  7. 1.81 km NE of South Oroville, California · 16086 days ago · 7 km deep · 81 km away
  8. 1.811 km NW of Moskowite Corner, California · 16086 days ago · -1 km deep · 48 km away
  9. 1.96 km WNW of Cobb, California · 16086 days ago · 1 km deep · 59 km away
  10. 1.64 km SW of Saint Helena, California · 16086 days ago · 5 km deep · 61 km away
  11. 2.022 km W of Elk Creek, California · 16086 days ago · 10 km deep · 95 km away
  12. 1.822 km WNW of Elk Creek, California · 16086 days ago · 6 km deep · 98 km away
  13. 1.519 km NNE of Upper Lake, California · 16087 days ago · 12 km deep · 70 km away
  14. 1.717 km E of Lower Lake, California · 16088 days ago · 2 km deep · 24 km away
  15. 1.719 km NNE of Upper Lake, California · 16090 days ago · 13 km deep · 70 km away
  16. 4.02 km NNE of Elk Creek, California · 16090 days ago · 13 km deep · 84 km away
  17. 1.63 km S of Oroville East, California · 16091 days ago · 5 km deep · 83 km away
  18. 1.63 km ESE of Lakeport, California · 16091 days ago · 8 km deep · 66 km away
  19. 1.94 km WSW of Cobb, California · 16092 days ago · 0 km deep · 57 km away
  20. 1.74 km SSE of Kelseyville, California · 16092 days ago · -1 km deep · 59 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1078846. Read Tue, Sep 22, 2026, 9:40 PM UTC.