California earthquakes

M2.2 earthquake 14 km N of Brooktrails, California

A magnitude 2.2 earthquake struck 14 km N of Brooktrails, California on Sun, Feb 28, 1982, 9:10 AM PST (17:10 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.6 8 km W of Cobb, California. This one was a foreshock.

Brooktrails 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
1982-02-28 17:10:20 UTC
Depth
7.0 km (4.4 mi), shallow
Epicenter
39.573° N, 123.368° 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, 1.1 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
135°
Stations used
9

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 137 in the 60 days after this one and 51 in the 30 days before it.

After

  1. 2.39 km WSW of Cobb, California · 16284 days ago · 2 km deep · 98 km away
  2. 1.72 km NNE of Lakeport, California · 16284 days ago · 6 km deep · 70 km away
  3. 1.52 km SSE of North Lakeport, California · 16284 days ago · 8 km deep · 69 km away
  4. 2.06 km W of Cobb, California · 16284 days ago · 3 km deep · 98 km away
  5. 1.67 km WSW of Cobb, California · 16284 days ago · 1 km deep · 98 km away
  6. 2.27 km NNW of Alderpoint, California · 16283 days ago · 27 km deep · 78 km away
  7. 2.49 km WSW of Cobb, California · 16282 days ago · 1 km deep · 97 km away
  8. 1.627 km WNW of Paskenta, California · 16282 days ago · 11 km deep · 61 km away
  9. 1.64 km WSW of Cobb, California · 16281 days ago · 1 km deep · 100 km away
  10. 1.77 km W of Cobb, California · 16280 days ago · 2 km deep · 97 km away
  11. 3.26 km W of Cobb, California · 16280 days ago · 1 km deep · 98 km away
  12. 2.511 km W of Cobb, California · 16280 days ago · 7 km deep · 96 km away
  13. 1.66 km WNW of Lodoga, California · 16280 days ago · 6 km deep · 75 km away
  14. 2.1Northern California · 16280 days ago · 2 km deep · 98 km away
  15. 1.68 km NE of Clearlake, California · 16279 days ago · 3 km deep · 93 km away
  16. 1.65 km WSW of Cobb, California · 16279 days ago · 0 km deep · 100 km away
  17. 2.54 km ESE of Clear Lake Riviera, California · 16279 days ago · 3 km deep · 92 km away
  18. 2.34 km WSW of Cobb, California · 16278 days ago · 2 km deep · 100 km away
  19. 1.74 km WSW of Cobb, California · 16278 days ago · 0 km deep · 100 km away
  20. 1.94 km WSW of Cobb, California · 16278 days ago · 1 km deep · 100 km away
  21. 1.6Northern California · 16278 days ago · 0 km deep · 98 km away
  22. 2.28 km WSW of Cobb, California · 16277 days ago · 1 km deep · 98 km away
  23. 2.89 km WSW of Cobb, California · 16277 days ago · 2 km deep · 98 km away
  24. 2.08 km WSW of Cobb, California · 16277 days ago · 1 km deep · 97 km away
  25. 1.68 km W of Cobb, California · 16276 days ago · 2 km deep · 97 km away
  26. 1.86 km WSW of Cobb, California · 16274 days ago · 0 km deep · 99 km away
  27. 1.613 km ENE of Clearlake Oaks, California · 16273 days ago · -1 km deep · 89 km away
  28. 1.716 km NE of Upper Lake, California · 16273 days ago · 0 km deep · 61 km away
  29. 1.822 km SSE of Covelo, California · 16272 days ago · 3 km deep · 22 km away
  30. 2.411 km NNW of Ruth, California · 16272 days ago · 32 km deep · 88 km away
  31. 1.64 km W of Redwood Valley, California · 16272 days ago · 2 km deep · 36 km away
  32. 2.017 km NNE of Nice, California · 16271 days ago · 1 km deep · 65 km away
  33. 1.96 km WSW of Cobb, California · 16270 days ago · 3 km deep · 98 km away
  34. 1.76 km WSW of Cobb, California · 16270 days ago · -1 km deep · 99 km away
  35. 1.57 km WSW of Cobb, California · 16270 days ago · 2 km deep · 98 km away
  36. 1.84 km E of Calpella, California · 16270 days ago · 4 km deep · 42 km away
  37. 1.831 km ENE of Covelo, California · 16269 days ago · 8 km deep · 55 km away
  38. 2.16 km WSW of Cobb, California · 16269 days ago · 0 km deep · 99 km away
  39. 2.5Northern California · 16269 days ago · 1 km deep · 70 km away
  40. 2.824 km SE of Covelo, California · 16269 days ago · 12 km deep · 26 km away
  41. 3.225 km SE of Covelo, California · 16268 days ago · 13 km deep · 26 km away
  42. 3.124 km SE of Covelo, California · 16268 days ago · 12 km deep · 26 km away
  43. 1.87 km W of Cobb, California · 16268 days ago · 2 km deep · 98 km away
  44. 1.83 km NE of Redway, California · 16268 days ago · 21 km deep · 73 km away
  45. 1.826 km SE of Covelo, California · 16268 days ago · 14 km deep · 26 km away
  46. 1.624 km SE of Covelo, California · 16268 days ago · 1 km deep · 25 km away
  47. 1.68 km W of Cobb, California · 16267 days ago · 1 km deep · 95 km away
  48. 2.429 km WNW of Paskenta, California · 16267 days ago · -1 km deep · 58 km away
  49. 1.53 km SSE of Talmage, California · 16267 days ago · 3 km deep · 56 km away
  50. 1.925 km SE of Covelo, California · 16267 days ago · 8 km deep · 26 km away
  51. 2.26 km WSW of Cobb, California · 16267 days ago · 0 km deep · 98 km away
  52. 2.07 km WSW of Cobb, California · 16267 days ago · 0 km deep · 98 km away
  53. 1.67 km WSW of Cobb, California · 16267 days ago · 2 km deep · 98 km away
  54. 1.56 km WSW of Cobb, California · 16266 days ago · 0 km deep · 99 km away
  55. 2.31 km SW of Lower Lake, California · 16265 days ago · 6 km deep · 98 km away
  56. 3.68 km W of Cobb, California · 16264 days ago · 1 km deep · 97 km away
  57. 1.89 km W of Cobb, California · 16264 days ago · -1 km deep · 96 km away
  58. 1.98 km W of Cobb, California · 16264 days ago · -1 km deep · 97 km away
  59. 1.86 km W of Laytonville, California · 16264 days ago · 2 km deep · 21 km away
  60. 1.612 km W of Calpella, California · 16264 days ago · 5 km deep · 37 km away

The first 60 of 137.

Before

  1. 1.76 km W of Cobb, California · 16284 days ago · 3 km deep · 97 km away
  2. 1.56 km WSW of Cobb, California · 16285 days ago · 3 km deep · 99 km away
  3. 1.54 km SE of Clear Lake Riviera, California · 16286 days ago · 2 km deep · 93 km away
  4. 1.66 km W of Cobb, California · 16286 days ago · 3 km deep · 97 km away
  5. 2.06 km W of Cobb, California · 16286 days ago · 3 km deep · 97 km away
  6. 1.517 km NNE of Lucerne, California · 16286 days ago · 7 km deep · 70 km away
  7. 2.316 km W of Paskenta, California · 16286 days ago · 3 km deep · 65 km away
  8. 2.413 km W of Paskenta, California · 16286 days ago · 6 km deep · 66 km away
  9. 2.23 km NE of Redway, California · 16287 days ago · 21 km deep · 74 km away
  10. 2.23 km NE of Redway, California · 16287 days ago · 21 km deep · 73 km away
  11. 3.03 km NE of Redway, California · 16287 days ago · 21 km deep · 73 km away
  12. 1.67 km WSW of Cobb, California · 16288 days ago · 0 km deep · 98 km away
  13. 1.59 km WSW of Cobb, California · 16288 days ago · 1 km deep · 98 km away
  14. 1.66 km W of Cobb, California · 16288 days ago · 0 km deep · 98 km away
  15. 1.56 km W of Cobb, California · 16291 days ago · 0 km deep · 98 km away
  16. 2.56 km WSW of Cobb, California · 16291 days ago · 1 km deep · 98 km away
  17. 2.47 km WSW of Cobb, California · 16292 days ago · 0 km deep · 98 km away
  18. 2.111 km N of Laytonville, California · 16292 days ago · 3 km deep · 25 km away
  19. 1.74 km WSW of Cobb, California · 16294 days ago · 1 km deep · 100 km away
  20. 1.56 km W of Cobb, California · 16295 days ago · 3 km deep · 97 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1072511. Read Tue, Sep 29, 2026, 10:15 PM UTC.