California earthquakes

M2.2 earthquake 2 km NNE of Upper Lake, California

A magnitude 2.2 earthquake struck 2 km NNE of Upper Lake, California on Sun, May 24, 1981, 2:18 AM PDT (09:18 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M3.5 9 km ESE of Willits, California. This one was a foreshock.

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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, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1981-05-24 09:18:49 UTC
Depth
0.2 km (0.1 mi), shallow
Epicenter
39.180° N, 122.897° 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 4.7 km horizontally, 7.3 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
274°, poorly surrounded by stations
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: 123 in the 60 days after this one and 72 in the 30 days before it.

After

  1. 1.82 km SE of Clear Lake Riviera, California · 16567 days ago · 4 km deep · 32 km away
  2. 1.55 km WSW of Cobb, California · 16567 days ago · 2 km deep · 43 km away
  3. 2.511 km N of Cloverdale, California · 16567 days ago · 3 km deep · 31 km away
  4. 1.710 km NNE of Cloverdale, California · 16567 days ago · 3 km deep · 32 km away
  5. 1.78 km WSW of Cobb, California · 16564 days ago · 1 km deep · 42 km away
  6. 1.86 km WSW of Cobb, California · 16564 days ago · 3 km deep · 42 km away
  7. 1.69 km E of Hidden Valley Lake, California · 16563 days ago · 7 km deep · 56 km away
  8. 1.95 km WSW of Cobb, California · 16563 days ago · -1 km deep · 43 km away
  9. 2.122 km NE of Potter Valley, California · 16563 days ago · 8 km deep · 32 km away
  10. 2.06 km W of Cobb, California · 16562 days ago · 2 km deep · 40 km away
  11. 2.16 km W of Cobb, California · 16562 days ago · 0 km deep · 42 km away
  12. 1.98 km ENE of Larkfield-Wikiup, California · 16562 days ago · 6 km deep · 75 km away
  13. 2.76 km W of Cobb, California · 16561 days ago · 1 km deep · 42 km away
  14. 2.46 km WSW of Cobb, California · 16561 days ago · 1 km deep · 42 km away
  15. 2.14 km S of Cobb, California · 16561 days ago · 0 km deep · 47 km away
  16. 1.67 km WSW of Cobb, California · 16561 days ago · 1 km deep · 43 km away
  17. 1.69 km WSW of Cobb, California · 16561 days ago · -1 km deep · 42 km away
  18. 1.79 km ENE of Hidden Valley Lake, California · 16560 days ago · 7 km deep · 55 km away
  19. 1.83 km ESE of Clear Lake Riviera, California · 16560 days ago · -1 km deep · 32 km away
  20. 1.58 km NW of Redwood Valley, California · 16560 days ago · 5 km deep · 36 km away
  21. 1.66 km W of Cobb, California · 16560 days ago · 2 km deep · 41 km away
  22. 2.015 km NNW of Guinda, California · 16558 days ago · 9 km deep · 61 km away
  23. 3.59 km ESE of Willits, California · 16556 days ago · 9 km deep · 38 km away
  24. 1.69 km ESE of Willits, California · 16556 days ago · 8 km deep · 38 km away
  25. 1.79 km E of Hidden Valley Lake, California · 16555 days ago · 7 km deep · 55 km away
  26. 1.78 km WSW of Cobb, California · 16555 days ago · 3 km deep · 43 km away
  27. 2.26 km WSW of Calistoga, California · 16554 days ago · 5 km deep · 73 km away
  28. 2.114 km NNW of Guinda, California · 16554 days ago · 8 km deep · 62 km away
  29. 1.69 km WSW of Cobb, California · 16554 days ago · 2 km deep · 43 km away
  30. 2.111 km SSE of Comptche, California · 16552 days ago · 3 km deep · 57 km away
  31. 2.56 km WSW of Cobb, California · 16551 days ago · 4 km deep · 43 km away
  32. 1.85 km WSW of Cobb, California · 16550 days ago · 1 km deep · 44 km away
  33. 2.39 km WSW of Cobb, California · 16550 days ago · 2 km deep · 43 km away
  34. 1.612 km N of Brooktrails, California · 16549 days ago · 8 km deep · 57 km away
  35. 1.95 km NNE of Brooktrails, California · 16549 days ago · 7 km deep · 52 km away
  36. 1.74 km S of Cobb, California · 16548 days ago · 1 km deep · 47 km away
  37. 2.15 km SW of Cobb, California · 16546 days ago · 1 km deep · 45 km away
  38. 2.06 km E of Covelo, California · 16546 days ago · 1 km deep · 72 km away
  39. 1.724 km WNW of Elk Creek, California · 16546 days ago · 5 km deep · 54 km away
  40. 1.6Northern California · 16546 days ago · 1 km deep · 43 km away
  41. 1.73 km E of Windsor, California · 16545 days ago · 4 km deep · 72 km away
  42. 2.610 km N of Covelo, California · 16544 days ago · 4 km deep · 83 km away
  43. 2.18 km W of Cobb, California · 16544 days ago · 1 km deep · 41 km away
  44. 1.86 km W of Cobb, California · 16544 days ago · 3 km deep · 41 km away
  45. 1.75 km SW of Cobb, California · 16544 days ago · -1 km deep · 45 km away
  46. 1.76 km W of Cobb, California · 16543 days ago · 4 km deep · 41 km away
  47. 2.111 km NNE of Covelo, California · 16542 days ago · 9 km deep · 84 km away
  48. 2.35 km SW of Cobb, CA · 16541 days ago · -1 km deep · 45 km away
  49. 1.76 km W of Lower Lake, California · 16541 days ago · 3 km deep · 36 km away
  50. 2.57 km WSW of Cobb, California · 16541 days ago · 1 km deep · 42 km away
  51. 1.67 km WSW of Cobb, California · 16540 days ago · 3 km deep · 43 km away
  52. 1.66 km W of Cobb, California · 16539 days ago · 4 km deep · 41 km away
  53. 1.65 km NNE of Rohnert Park, California · 16538 days ago · 16 km deep · 90 km away
  54. 3.518 km WSW of Williams, California · 16538 days ago · 12 km deep · 48 km away
  55. 1.66 km W of Cobb, California · 16538 days ago · 0 km deep · 42 km away
  56. 1.66 km W of Cobb, California · 16538 days ago · 1 km deep · 42 km away
  57. 2.421 km WSW of Williams, California · 16538 days ago · -1 km deep · 46 km away
  58. 1.77 km WSW of Cobb, California · 16538 days ago · 0 km deep · 42 km away
  59. 1.97 km WSW of Cobb, California · 16537 days ago · -1 km deep · 43 km away
  60. 2.34 km ESE of Clear Lake Riviera, California · 16536 days ago · -1 km deep · 33 km away

The first 60 of 123.

Before

  1. 2.021 km ENE of Potter Valley, California · 16568 days ago · 6 km deep · 21 km away
  2. 1.76 km W of Cobb, California · 16569 days ago · 1 km deep · 42 km away
  3. 2.27 km W of Cobb, California · 16570 days ago · 3 km deep · 42 km away
  4. 1.74 km WSW of Cobb, California · 16570 days ago · 4 km deep · 44 km away
  5. 1.76 km WSW of Cobb, California · 16570 days ago · 1 km deep · 42 km away
  6. 1.86 km W of Cobb, California · 16570 days ago · 2 km deep · 42 km away
  7. 1.97 km WSW of Cobb, California · 16570 days ago · 2 km deep · 43 km away
  8. 1.59 km SSE of Laytonville, California · 16571 days ago · 7 km deep · 67 km away
  9. 1.512 km E of Angwin, California · 16572 days ago · 5 km deep · 83 km away
  10. 2.216 km SSE of Sea Ranch, California · 16572 days ago · 1 km deep · 80 km away
  11. 1.64 km WSW of Cobb, California · 16572 days ago · 2 km deep · 43 km away
  12. 1.57 km WSW of Cobb, California · 16572 days ago · 2 km deep · 42 km away
  13. 1.83 km E of Clear Lake Riviera, California · 16572 days ago · 3 km deep · 31 km away
  14. 1.53 km E of Clear Lake Riviera, California · 16572 days ago · -1 km deep · 31 km away
  15. 1.63 km ENE of Clear Lake Riviera, California · 16572 days ago · 3 km deep · 30 km away
  16. 2.37 km WSW of Cobb, California · 16573 days ago · 4 km deep · 44 km away
  17. 2.04 km WSW of Cobb, California · 16574 days ago · 2 km deep · 43 km away
  18. 1.714 km SW of Guinda, California · 16577 days ago · 5 km deep · 71 km away
  19. 2.313 km WSW of Esparto, California · 16577 days ago · 4 km deep · 85 km away
  20. 2.314 km S of Guinda, California · 16577 days ago · 4 km deep · 79 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1063954. Read Fri, Oct 2, 2026, 4:01 PM UTC.