California earthquakes

M2.0 earthquake 9 km WSW of Cobb, California

A magnitude 2.0 earthquake struck 9 km WSW of Cobb, California on Tue, Apr 10, 1984, 5:55 AM PST (13:55 UTC), 2 km (2 mi) below the surface.

A larger quake followed: M3.2 7 km W of Cobb, California. This one was a foreshock.

Cobb 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
2.0 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1984-04-10 13:55:13 UTC
Depth
2.5 km (1.5 mi), shallow
Epicenter
38.799° N, 122.831° 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 0.7 km horizontally, 1.7 km in depth
Magnitude uncertainty
±0.20
Depth from
From location
Station coverage gap
99°
Stations used
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 169 in the 60 days after this one and 122 in the 30 days before it.

After

  1. 1.75 km W of Cobb, California · 15516 days ago · 3 km deep · 4 km away
  2. 1.58 km SE of Willits, California · 15515 days ago · 6 km deep · 73 km away
  3. 1.5Northern California · 15515 days ago · 6 km deep · 29 km away
  4. 1.65 km WSW of Cobb, California · 15515 days ago · 0 km deep · 5 km away
  5. 1.85 km WSW of Cobb, California · 15515 days ago · 0 km deep · 4 km away
  6. 1.68 km WSW of Cobb, California · 15515 days ago · 0 km deep · 1 km away
  7. 2.48 km WSW of Cobb, California · 15515 days ago · -1 km deep · 1 km away
  8. 1.85 km W of Cobb, California · 15514 days ago · 0 km deep · 5 km away
  9. 2.67 km NW of Cobb, California · 15514 days ago · 3 km deep · 9 km away
  10. 2.28 km WSW of Cobb, California · 15514 days ago · 3 km deep · 2 km away
  11. 1.78 km WSW of Cobb, California · 15514 days ago · 3 km deep · 2 km away
  12. 1.66 km W of Cobb, California · 15514 days ago · 1 km deep · 4 km away
  13. 2.56 km W of Cobb, California · 15514 days ago · 1 km deep · 4 km away
  14. 2.16 km W of Cobb, California · 15514 days ago · -1 km deep · 4 km away
  15. 1.9Northern California · 15513 days ago · 0 km deep · 5 km away
  16. 1.68 km NE of Brooktrails, California · 15513 days ago · 10 km deep · 89 km away
  17. 2.86 km W of Cobb, California · 15513 days ago · 3 km deep · 4 km away
  18. 1.5Northern California · 15513 days ago · 3 km deep · 3 km away
  19. 2.15 km W of Cobb, California · 15512 days ago · 0 km deep · 5 km away
  20. 1.67 km W of Cobb, California · 15512 days ago · 3 km deep · 3 km away
  21. 1.59 km WSW of Cobb, California · 15511 days ago · 1 km deep · 1 km away
  22. 1.95 km WSW of Cobb, California · 15509 days ago · 0 km deep · 4 km away
  23. 1.77 km W of Cobb, California · 15509 days ago · 3 km deep · 3 km away
  24. 2.69 km WSW of Cobb, California · 15509 days ago · 2 km deep · 1 km away
  25. 1.64 km SSE of Clear Lake Riviera, California · 15509 days ago · 0 km deep · 18 km away
  26. 1.96 km W of Cobb, California · 15508 days ago · 3 km deep · 4 km away
  27. 2.27 km W of Cobb, California · 15508 days ago · 2 km deep · 2 km away
  28. 1.96 km W of Cobb, California · 15508 days ago · 3 km deep · 4 km away
  29. 1.58 km W of Cobb, California · 15508 days ago · 1 km deep · 2 km away
  30. 1.86 km W of Cobb, California · 15508 days ago · 3 km deep · 4 km away
  31. 2.38 km SE of Willits, California · 15508 days ago · 3 km deep · 73 km away
  32. 1.69 km SE of Willits, California · 15508 days ago · 5 km deep · 73 km away
  33. 3.08 km SE of Willits, California · 15508 days ago · 3 km deep · 73 km away
  34. 1.99 km SE of Willits, California · 15508 days ago · 4 km deep · 73 km away
  35. 1.95 km WSW of Cobb, California · 15507 days ago · 1 km deep · 4 km away
  36. 1.65 km WSW of Cobb, California · 15507 days ago · 0 km deep · 4 km away
  37. 1.85 km WSW of Cobb, California · 15507 days ago · -1 km deep · 4 km away
  38. 2.35 km WSW of Cobb, California · 15507 days ago · -1 km deep · 5 km away
  39. 2.55 km WSW of Cobb, California · 15507 days ago · 1 km deep · 4 km away
  40. 1.85 km WSW of Cobb, California · 15507 days ago · 0 km deep · 4 km away
  41. 2.05 km WSW of Cobb, California · 15506 days ago · 0 km deep · 4 km away
  42. 2.08 km NE of Hidden Valley Lake, California · 15506 days ago · -1 km deep · 30 km away
  43. 2.05 km WSW of Cobb, California · 15506 days ago · 0 km deep · 4 km away
  44. 2.15 km WSW of Cobb, California · 15506 days ago · 1 km deep · 4 km away
  45. 1.76 km W of Cobb, California · 15505 days ago · 0 km deep · 4 km away
  46. 2.03 km WNW of Soda Bay, California · 15505 days ago · 4 km deep · 25 km away
  47. 1.95 km W of Cobb, California · 15504 days ago · 0 km deep · 5 km away
  48. 1.98 km W of Cobb, California · 15504 days ago · 0 km deep · 3 km away
  49. 1.69 km WSW of Cobb, California · 15503 days ago · 2 km deep · 1 km away
  50. 1.74 km W of Cobb, California · 15502 days ago · 0 km deep · 5 km away
  51. 2.25 km W of Cobb, California · 15502 days ago · 0 km deep · 5 km away
  52. 1.87 km WSW of Cobb, California · 15502 days ago · 3 km deep · 2 km away
  53. 1.72 km W of Cobb, California · 15502 days ago · -1 km deep · 7 km away
  54. 2.68 km WSW of Cobb, California · 15501 days ago · 1 km deep · 1 km away
  55. 2.216 km ENE of Hidden Valley Lake, California · 15500 days ago · 2 km deep · 39 km away
  56. 1.615 km ENE of Potter Valley, California · 15500 days ago · 4 km deep · 66 km away
  57. 1.76 km ESE of Willits, California · 15500 days ago · -1 km deep · 76 km away
  58. 1.54 km W of Cobb, California · 15500 days ago · 0 km deep · 5 km away
  59. 3.06 km W of Cobb, California · 15500 days ago · 3 km deep · 3 km away
  60. 1.87 km WSW of Cobb, California · 15499 days ago · 4 km deep · 3 km away

The first 60 of 169.

Before

  1. 1.98 km SE of Willits, California · 15516 days ago · 4 km deep · 73 km away
  2. 1.513 km W of Cazadero, California · 15516 days ago · 4 km deep · 45 km away
  3. 1.65 km W of Cobb, California · 15516 days ago · 0 km deep · 5 km away
  4. 1.77 km WSW of Cobb, California · 15516 days ago · 0 km deep · 2 km away
  5. 1.66 km S of Hopland, California · 15516 days ago · 4 km deep · 28 km away
  6. 2.57 km WSW of Cobb, California · 15516 days ago · 0 km deep · 2 km away
  7. 2.86 km WSW of Cobb, California · 15516 days ago · 0 km deep · 3 km away
  8. 3.06 km W of Cobb, California · 15516 days ago · 0 km deep · 3 km away
  9. 1.66 km WSW of Cobb, California · 15516 days ago · 0 km deep · 3 km away
  10. 1.66 km WSW of Cobb, California · 15516 days ago · 0 km deep · 3 km away
  11. 1.99 km W of Cobb, California · 15516 days ago · -1 km deep · 1 km away
  12. 1.63 km ENE of Brooktrails, California · 15516 days ago · 4 km deep · 86 km away
  13. 2.99 km SE of Willits, California · 15516 days ago · 4 km deep · 73 km away
  14. 1.616 km ENE of Potter Valley, California · 15517 days ago · 8 km deep · 66 km away
  15. 1.55 km SSW of Boonville, California · 15517 days ago · 1 km deep · 53 km away
  16. 1.65 km E of Lakeport, California · 15517 days ago · 5 km deep · 27 km away
  17. 1.87 km WSW of Cobb, California · 15518 days ago · 0 km deep · 3 km away
  18. 1.69 km WSW of Cobb, California · 15518 days ago · 7 km deep · 1 km away
  19. 1.75 km WSW of Cobb, California · 15518 days ago · 0 km deep · 4 km away
  20. 1.69 km WSW of Cobb, California · 15519 days ago · 2 km deep · 1 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc14804. Read Sat, Oct 3, 2026, 9:31 AM UTC.