California earthquakes

M2.4 earthquake 17 km NE of Nice, California

A magnitude 2.4 earthquake struck 17 km NE of Nice, California on Sun, Apr 12, 1981, 2:09 AM PST (10:09 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.6 6 km NW of Laytonville, 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
2.4 (md), micro
Local time
UTC
1981-04-12 10:09:03 UTC
Depth
7.9 km (4.9 mi), shallow
Epicenter
39.248° N, 122.721° 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, 1.3 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
166°
Stations used
23

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 132 in the 60 days after this one and 55 in the 30 days before it.

After

  1. 1.9near the coast of Northern California · 16598 days ago · 10 km deep · 57 km away
  2. 2.1near the coast of Northern California · 16598 days ago · 5 km deep · 83 km away
  3. 1.89 km NE of Brooktrails, California · 16598 days ago · 8 km deep · 57 km away
  4. 2.031 km WSW of Paskenta, California · 16598 days ago · 4 km deep · 56 km away
  5. 2.120 km ENE of Brooktrails, California · 16597 days ago · 8 km deep · 51 km away
  6. 2.36 km WSW of Cobb, California · 16597 days ago · 1 km deep · 49 km away
  7. 2.27 km WSW of Cobb, California · 16597 days ago · 1 km deep · 50 km away
  8. 2.29 km WSW of Cobb, California · 16597 days ago · 2 km deep · 51 km away
  9. 1.821 km NNE of Potter Valley, California · 16596 days ago · 8 km deep · 36 km away
  10. 2.66 km NW of Laytonville, California · 16596 days ago · 7 km deep · 88 km away
  11. 1.69 km WSW of Cobb, California · 16596 days ago · 2 km deep · 51 km away
  12. 2.821 km NNE of Potter Valley, California · 16596 days ago · 8 km deep · 36 km away
  13. 2.028 km NNE of Potter Valley, California · 16594 days ago · 14 km deep · 40 km away
  14. 2.33 km ESE of Talmage, California · 16594 days ago · 5 km deep · 38 km away
  15. 2.61 km NNW of Ukiah, California · 16594 days ago · 4 km deep · 44 km away
  16. 1.82 km NE of Ukiah, California · 16593 days ago · 8 km deep · 41 km away
  17. 1.715 km W of Calpella, California · 16593 days ago · 4 km deep · 57 km away
  18. 2.96 km W of Cobb, California · 16592 days ago · 3 km deep · 49 km away
  19. 1.84 km E of Clear Lake Riviera, California · 16592 days ago · 0 km deep · 33 km away
  20. 2.33 km E of Laytonville, California · 16591 days ago · 5 km deep · 79 km away
  21. 1.87 km W of Cobb, California · 16590 days ago · 1 km deep · 47 km away
  22. 1.611 km NE of Healdsburg, California · 16589 days ago · 5 km deep · 65 km away
  23. 1.86 km W of Cobb, California · 16588 days ago · 2 km deep · 49 km away
  24. 2.34 km WSW of Cobb, California · 16588 days ago · 2 km deep · 50 km away
  25. 1.64 km WSW of Cobb, California · 16588 days ago · 2 km deep · 50 km away
  26. 1.76 km W of Cobb, California · 16587 days ago · 4 km deep · 48 km away
  27. 1.79 km WSW of Cobb, California · 16585 days ago · 2 km deep · 51 km away
  28. 2.16 km WSW of Cobb, California · 16585 days ago · 1 km deep · 51 km away
  29. 1.86 km WSW of Cobb, California · 16585 days ago · 1 km deep · 51 km away
  30. 2.18 km E of Hidden Valley Lake, California · 16585 days ago · 7 km deep · 55 km away
  31. 1.95 km WNW of Laytonville, California · 16583 days ago · 2 km deep · 87 km away
  32. 1.66 km WSW of Cobb, California · 16583 days ago · 0 km deep · 51 km away
  33. 2.95 km SW of Cobb, California · 16582 days ago · 0 km deep · 51 km away
  34. 1.85 km SW of Cobb, California · 16582 days ago · 0 km deep · 51 km away
  35. 1.56 km W of Cobb, California · 16581 days ago · 4 km deep · 49 km away
  36. 1.910 km ESE of Willits, California · 16581 days ago · 6 km deep · 47 km away
  37. 1.66 km WSW of Cobb, California · 16580 days ago · 0 km deep · 50 km away
  38. 1.612 km S of Guinda, California · 16580 days ago · 4 km deep · 75 km away
  39. 1.5near the coast of Northern California · 16580 days ago · 7 km deep · 51 km away
  40. 1.89 km WSW of Cobb, California · 16579 days ago · 2 km deep · 50 km away
  41. 1.917 km ENE of Willits, California · 16579 days ago · 6 km deep · 49 km away
  42. 2.26 km WSW of Cobb, California · 16577 days ago · -1 km deep · 49 km away
  43. 1.94 km WSW of Cobb, California · 16577 days ago · 1 km deep · 50 km away
  44. 1.69 km NE of Cloverdale, California · 16577 days ago · 3 km deep · 46 km away
  45. 1.88 km W of Cobb, California · 16576 days ago · 1 km deep · 48 km away
  46. 2.18 km W of Cobb, California · 16576 days ago · 0 km deep · 48 km away
  47. 1.611 km W of Cobb, California · 16576 days ago · -1 km deep · 48 km away
  48. 1.78 km WSW of Cobb, California · 16576 days ago · 4 km deep · 51 km away
  49. 1.925 km SE of Covelo, California · 16575 days ago · 5 km deep · 50 km away
  50. 1.63 km ESE of Calpella, California · 16575 days ago · 3 km deep · 38 km away
  51. 1.59 km N of Cloverdale, California · 16574 days ago · 2 km deep · 47 km away
  52. 1.97 km S of Calistoga, California · 16573 days ago · 8 km deep · 83 km away
  53. 3.27 km SW of Artois, California · 16573 days ago · 19 km deep · 53 km away
  54. 2.59 km W of Cobb, California · 16573 days ago · 1 km deep · 49 km away
  55. 1.54 km WSW of Cobb, California · 16573 days ago · 2 km deep · 50 km away
  56. 2.110 km NNE of Covelo, California · 16573 days ago · 9 km deep · 83 km away
  57. 2.66 km WSW of Cobb, California · 16573 days ago · 1 km deep · 50 km away
  58. 2.57 km SW of Calistoga, California · 16572 days ago · 6 km deep · 80 km away
  59. 1.65 km NNE of Clearlake, California · 16572 days ago · 1 km deep · 29 km away
  60. 1.78 km ESE of Willits, California · 16572 days ago · 1 km deep · 49 km away

The first 60 of 132.

Before

  1. 1.76 km WSW of Cobb, California · 16600 days ago · 3 km deep · 50 km away
  2. 1.96 km W of Cobb, California · 16601 days ago · 4 km deep · 48 km away
  3. 2.76 km W of Cobb, California · 16601 days ago · 3 km deep · 49 km away
  4. 2.27 km WSW of Cobb, California · 16602 days ago · 2 km deep · 50 km away
  5. 1.56 km W of Cobb, California · 16603 days ago · 1 km deep · 47 km away
  6. 1.92 km SE of Calpella, California · 16603 days ago · 3 km deep · 40 km away
  7. 2.1Northern California · 16603 days ago · 3 km deep · 13 km away
  8. 1.77 km WSW of Cobb, California · 16603 days ago · 1 km deep · 50 km away
  9. 1.64 km WSW of Cobb, California · 16604 days ago · 2 km deep · 50 km away
  10. 1.66 km W of Cobb, California · 16604 days ago · 3 km deep · 49 km away
  11. 1.612 km S of Comptche, California · 16608 days ago · 7 km deep · 75 km away
  12. 1.810 km NNE of Covelo, California · 16608 days ago · 9 km deep · 83 km away
  13. 1.66 km WSW of Cobb, California · 16608 days ago · 4 km deep · 50 km away
  14. 1.89 km W of Cobb, California · 16608 days ago · 1 km deep · 50 km away
  15. 3.09 km N of Covelo, California · 16609 days ago · 6 km deep · 82 km away
  16. 1.64 km WSW of Cobb, California · 16609 days ago · 1 km deep · 50 km away
  17. 2.010 km NNE of Covelo, California · 16609 days ago · 9 km deep · 83 km away
  18. 2.99 km N of Covelo, California · 16609 days ago · 6 km deep · 83 km away
  19. 2.08 km WSW of Cobb, California · 16609 days ago · 1 km deep · 50 km away
  20. 2.212 km SE of Paskenta, California · 16610 days ago · 10 km deep · 66 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1062438. Read Tue, Sep 22, 2026, 11:28 PM UTC.