California earthquakes

M2.5 earthquake 19 km NNE of Upper Lake, California

A magnitude 2.5 earthquake struck 19 km NNE of Upper Lake, California on Tue, Feb 16, 1982, 12:28 AM PST (08:28 UTC), 3 km (2 mi) below the surface.

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

Upper Lake 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
2.5 (md), micro
Local time
UTC
1982-02-16 08:28:02 UTC
Depth
2.5 km (1.6 mi), shallow
Epicenter
39.331° N, 122.856° 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, 2.2 km in depth
Magnitude uncertainty
±0.26
Depth from
From location
Station coverage gap
82°
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: 157 in the 60 days after this one and 63 in the 30 days before it.

After

  1. 1.56 km W of Cobb, California · 16295 days ago · 3 km deep · 57 km away
  2. 1.74 km WSW of Cobb, California · 16295 days ago · 1 km deep · 59 km away
  3. 1.95 km S of Calistoga, California · 16294 days ago · 2 km deep · 92 km away
  4. 2.05 km N of Windsor, California · 16294 days ago · 7 km deep · 82 km away
  5. 2.111 km N of Laytonville, California · 16292 days ago · 3 km deep · 73 km away
  6. 2.47 km WSW of Cobb, California · 16292 days ago · 0 km deep · 58 km away
  7. 2.56 km WSW of Cobb, California · 16291 days ago · 1 km deep · 58 km away
  8. 1.56 km W of Cobb, California · 16291 days ago · 0 km deep · 58 km away
  9. 1.8Northern California · 16290 days ago · 5 km deep · 91 km away
  10. 2.56 km WNW of Princeton, California · 16289 days ago · 15 km deep · 68 km away
  11. 1.66 km W of Cobb, California · 16288 days ago · 0 km deep · 58 km away
  12. 1.59 km WSW of Cobb, California · 16288 days ago · 1 km deep · 59 km away
  13. 1.67 km WSW of Cobb, California · 16288 days ago · 0 km deep · 59 km away
  14. 2.35 km NW of Princeton, California · 16287 days ago · 15 km deep · 70 km away
  15. 2.413 km W of Paskenta, California · 16286 days ago · 6 km deep · 62 km away
  16. 2.316 km W of Paskenta, California · 16286 days ago · 3 km deep · 64 km away
  17. 1.517 km NNE of Lucerne, California · 16286 days ago · 7 km deep · 19 km away
  18. 2.06 km W of Cobb, California · 16286 days ago · 3 km deep · 57 km away
  19. 1.66 km W of Cobb, California · 16286 days ago · 3 km deep · 57 km away
  20. 1.54 km SE of Clear Lake Riviera, California · 16286 days ago · 2 km deep · 47 km away
  21. 1.56 km WSW of Cobb, California · 16285 days ago · 3 km deep · 59 km away
  22. 1.94 km SW of Hamilton City, California · 16285 days ago · 16 km deep · 82 km away
  23. 1.68 km W of Middletown, California · 16285 days ago · 0 km deep · 67 km away
  24. 1.76 km W of Cobb, California · 16285 days ago · 3 km deep · 57 km away
  25. 2.214 km N of Brooktrails, California · 16284 days ago · 7 km deep · 52 km away
  26. 2.39 km WSW of Cobb, California · 16284 days ago · 2 km deep · 59 km away
  27. 3.35 km SW of Cobb, California · 16284 days ago · 4 km deep · 61 km away
  28. 1.86 km SW of Cobb, California · 16284 days ago · 4 km deep · 61 km away
  29. 1.85 km SW of Cobb, California · 16284 days ago · 0 km deep · 60 km away
  30. 1.72 km NNE of Lakeport, California · 16284 days ago · 6 km deep · 30 km away
  31. 1.52 km SSE of North Lakeport, California · 16284 days ago · 8 km deep · 29 km away
  32. 2.06 km W of Cobb, California · 16284 days ago · 3 km deep · 58 km away
  33. 1.67 km WSW of Cobb, California · 16284 days ago · 1 km deep · 59 km away
  34. 2.49 km WSW of Cobb, California · 16282 days ago · 1 km deep · 59 km away
  35. 1.627 km WNW of Paskenta, California · 16282 days ago · 11 km deep · 69 km away
  36. 1.64 km WSW of Cobb, California · 16281 days ago · 1 km deep · 59 km away
  37. 1.77 km W of Cobb, California · 16281 days ago · 2 km deep · 58 km away
  38. 3.26 km W of Cobb, California · 16280 days ago · 1 km deep · 58 km away
  39. 2.511 km W of Cobb, California · 16280 days ago · 7 km deep · 58 km away
  40. 1.66 km WNW of Lodoga, California · 16280 days ago · 6 km deep · 25 km away
  41. 2.1Northern California · 16280 days ago · 2 km deep · 59 km away
  42. 1.68 km NE of Clearlake, California · 16279 days ago · 3 km deep · 43 km away
  43. 1.65 km WSW of Cobb, California · 16279 days ago · 0 km deep · 60 km away
  44. 2.54 km ESE of Clear Lake Riviera, California · 16279 days ago · 3 km deep · 46 km away
  45. 1.95 km SW of Cobb, California · 16279 days ago · -1 km deep · 60 km away
  46. 2.34 km WSW of Cobb, California · 16278 days ago · 2 km deep · 59 km away
  47. 1.74 km WSW of Cobb, California · 16278 days ago · 0 km deep · 59 km away
  48. 1.94 km WSW of Cobb, California · 16278 days ago · 1 km deep · 59 km away
  49. 1.6Northern California · 16278 days ago · 0 km deep · 59 km away
  50. 2.28 km WSW of Cobb, California · 16277 days ago · 1 km deep · 59 km away
  51. 2.89 km WSW of Cobb, California · 16277 days ago · 2 km deep · 59 km away
  52. 2.08 km WSW of Cobb, California · 16277 days ago · 1 km deep · 59 km away
  53. 1.68 km W of Cobb, California · 16276 days ago · 2 km deep · 58 km away
  54. 1.86 km WSW of Cobb, California · 16274 days ago · 0 km deep · 59 km away
  55. 1.613 km ENE of Clearlake Oaks, California · 16273 days ago · -1 km deep · 38 km away
  56. 1.716 km NE of Upper Lake, California · 16273 days ago · 0 km deep · 9 km away
  57. 1.822 km SSE of Covelo, California · 16273 days ago · 3 km deep · 39 km away
  58. 1.64 km W of Redwood Valley, California · 16272 days ago · 2 km deep · 35 km away
  59. 2.017 km NNE of Nice, California · 16271 days ago · 1 km deep · 13 km away
  60. 1.96 km WSW of Cobb, California · 16270 days ago · 3 km deep · 58 km away

The first 60 of 157.

Before

  1. 2.08 km ENE of Potter Valley, California · 16297 days ago · 10 km deep · 14 km away
  2. 2.28 km WSW of Cobb, California · 16297 days ago · 3 km deep · 60 km away
  3. 3.17 km WSW of Cobb, California · 16297 days ago · 3 km deep · 59 km away
  4. 2.118 km E of Potter Valley, California · 16297 days ago · 5 km deep · 4 km away
  5. 1.51 km NW of Chico, California · 16298 days ago · 16 km deep · 98 km away
  6. 2.48 km W of Cobb, California · 16298 days ago · 1 km deep · 56 km away
  7. 1.810 km N of Princeton, California · 16299 days ago · 22 km deep · 76 km away
  8. 2.58 km WSW of Cobb, California · 16299 days ago · 2 km deep · 59 km away
  9. 1.79 km W of Redwood Valley, California · 16299 days ago · 2 km deep · 40 km away
  10. 2.49 km WSW of Cobb, California · 16299 days ago · 2 km deep · 59 km away
  11. 1.917 km N of Princeton, California · 16300 days ago · 5 km deep · 80 km away
  12. 1.87 km WSW of Cobb, California · 16300 days ago · 1 km deep · 58 km away
  13. 1.67 km WSW of Cobb, California · 16300 days ago · 1 km deep · 58 km away
  14. 2.516 km NNE of Princeton, California · 16300 days ago · 19 km deep · 80 km away
  15. 1.68 km WSW of Cobb, California · 16301 days ago · 1 km deep · 59 km away
  16. 1.79 km WSW of Cobb, California · 16301 days ago · 2 km deep · 59 km away
  17. 2.36 km WSW of Cobb, California · 16301 days ago · -1 km deep · 58 km away
  18. 1.87 km W of Cobb, California · 16302 days ago · -1 km deep · 57 km away
  19. 1.68 km WSW of Cobb, California · 16302 days ago · 1 km deep · 58 km away
  20. 1.95 km SW of Cobb, California · 16302 days ago · 0 km deep · 61 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1072171. Read Wed, Sep 30, 2026, 12:37 AM UTC.