California earthquakes

M2.4 earthquake 7 km WSW of Cobb, California

A magnitude 2.4 earthquake struck 7 km WSW of Cobb, California on Sat, Jun 16, 1984, 9:04 PM PDT (04:04 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M3.2 7 km SW 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
2.4 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1984-06-17 04:04:19 UTC
Depth
1.9 km (1.2 mi), shallow
Epicenter
38.805° N, 122.808° 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 0.2 km horizontally, 0.3 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
36°
Stations used
25

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 170 in the 60 days after this one and 112 in the 30 days before it.

After

  1. 1.95 km SW of Cobb, California · 15448 days ago · 0 km deep · 4 km away
  2. 2.34 km SE of Larkfield-Wikiup, California · 15448 days ago · 3 km deep · 37 km away
  3. 2.48 km WSW of Cobb, California · 15448 days ago · 3 km deep · 1 km away
  4. 1.95 km ESE of Sonoma, California · 15447 days ago · 8 km deep · 69 km away
  5. 2.78 km WSW of Napa, California · 15446 days ago · 5 km deep · 71 km away
  6. 1.55 km WSW of Cobb, California · 15446 days ago · 2 km deep · 2 km away
  7. 2.24 km WSW of Cobb, California · 15446 days ago · 3 km deep · 3 km away
  8. 2.03 km ENE of Williams, California · 15446 days ago · 4 km deep · 72 km away
  9. 2.27 km NW of Guinda, California · 15446 days ago · -1 km deep · 49 km away
  10. 1.57 km W of Cobb, California · 15446 days ago · 3 km deep · 1 km away
  11. 1.74 km WSW of Cobb, California · 15445 days ago · 1 km deep · 3 km away
  12. 1.98 km WSW of Napa, California · 15445 days ago · 7 km deep · 72 km away
  13. 1.77 km W of Cobb, California · 15445 days ago · 1 km deep · 3 km away
  14. 2.58 km WSW of Cobb, California · 15444 days ago · 2 km deep · 1 km away
  15. 1.67 km WSW of Cobb, California · 15444 days ago · 2 km deep · 0 km away
  16. 1.94 km NNW of Clearlake, California · 15443 days ago · -1 km deep · 26 km away
  17. 2.710 km NNE of Hopland, California · 15443 days ago · 4 km deep · 36 km away
  18. 2.15 km SW of Cobb, California · 15442 days ago · 2 km deep · 3 km away
  19. 1.52 km SE of Hopland, California · 15442 days ago · 4 km deep · 30 km away
  20. 2.113 km NNE of Upper Lake, California · 15441 days ago · 4 km deep · 53 km away
  21. 1.67 km W of Cobb, California · 15441 days ago · 3 km deep · 2 km away
  22. 1.78 km WSW of Cobb, California · 15440 days ago · 0 km deep · 1 km away
  23. 2.05 km SW of Cobb, California · 15440 days ago · 1 km deep · 3 km away
  24. 1.86 km WSW of Cobb, California · 15440 days ago · 3 km deep · 1 km away
  25. 1.58 km WSW of Cobb, California · 15439 days ago · 3 km deep · 1 km away
  26. 2.16 km WSW of Cobb, California · 15438 days ago · 0 km deep · 2 km away
  27. 2.017 km NE of Upper Lake, California · 15438 days ago · 6 km deep · 54 km away
  28. 2.47 km ENE of Willits, California · 15437 days ago · 3 km deep · 80 km away
  29. 2.78 km ENE of Willits, California · 15437 days ago · 3 km deep · 79 km away
  30. 1.68 km WSW of Cobb, California · 15436 days ago · 3 km deep · 1 km away
  31. 2.18 km WSW of Cobb, California · 15435 days ago · 3 km deep · 1 km away
  32. 2.0Northern California · 15435 days ago · 0 km deep · 2 km away
  33. 1.717 km NE of Upper Lake, California · 15435 days ago · 4 km deep · 53 km away
  34. 1.97 km NE of Rohnert Park, California · 15435 days ago · 0 km deep · 49 km away
  35. 1.97 km W of Cobb, California · 15434 days ago · 3 km deep · 1 km away
  36. 1.64 km W of Healdsburg, California · 15434 days ago · 3 km deep · 24 km away
  37. 1.58 km NW of Cobb, California · 15433 days ago · 2 km deep · 8 km away
  38. 1.56 km W of Cobb, California · 15433 days ago · 1 km deep · 2 km away
  39. 1.95 km W of Cobb, California · 15433 days ago · 3 km deep · 2 km away
  40. 1.96 km W of Cobb, California · 15433 days ago · 3 km deep · 2 km away
  41. 1.59 km SE of Willits, California · 15432 days ago · 5 km deep · 74 km away
  42. 1.512 km NE of Upper Lake, California · 15432 days ago · 6 km deep · 47 km away
  43. 1.94 km ENE of Lower Lake, California · 15432 days ago · -1 km deep · 25 km away
  44. 2.29 km ENE of Lower Lake, California · 15432 days ago · 1 km deep · 30 km away
  45. 2.05 km E of Lower Lake, California · 15432 days ago · -1 km deep · 25 km away
  46. 1.94 km N of Clearlake, California · 15432 days ago · 18 km deep · 27 km away
  47. 1.67 km E of Lower Lake, California · 15432 days ago · 2 km deep · 27 km away
  48. 1.75 km WSW of Cobb, California · 15432 days ago · -1 km deep · 3 km away
  49. 1.58 km W of Cobb, California · 15432 days ago · 3 km deep · 1 km away
  50. 1.67 km W of Cobb, California · 15432 days ago · 3 km deep · 1 km away
  51. 1.67 km W of Cobb, California · 15432 days ago · 2 km deep · 2 km away
  52. 1.67 km W of Cobb, California · 15431 days ago · 1 km deep · 2 km away
  53. 1.86 km W of Cobb, California · 15431 days ago · 3 km deep · 2 km away
  54. 1.520 km ENE of Potter Valley, California · 15430 days ago · 9 km deep · 64 km away
  55. 2.07 km SE of Willits, California · 15430 days ago · 8 km deep · 75 km away
  56. 1.57 km W of Cobb, California · 15429 days ago · 1 km deep · 1 km away
  57. 1.75 km WSW of Cobb, California · 15429 days ago · 1 km deep · 2 km away
  58. 1.95 km NW of Deer Park, California · 15428 days ago · 0 km deep · 37 km away
  59. 2.15 km SE of Willits, California · 15426 days ago · 5 km deep · 77 km away
  60. 2.17 km WSW of Cobb, California · 15425 days ago · 2 km deep · 0 km away

The first 60 of 170.

Before

  1. 1.87 km WSW of Cobb, California · 15448 days ago · 2 km deep · 0 km away
  2. 1.87 km WSW of Cobb, California · 15449 days ago · 1 km deep · 1 km away
  3. 2.422 km NNE of Potter Valley, California · 15449 days ago · -1 km deep · 78 km away
  4. 2.321 km NNE of Potter Valley, California · 15449 days ago · 3 km deep · 78 km away
  5. 3.16 km W of Cobb, California · 15449 days ago · 3 km deep · 2 km away
  6. 1.68 km WSW of Cobb, California · 15449 days ago · 3 km deep · 1 km away
  7. 1.88 km WSW of Cobb, California · 15449 days ago · 3 km deep · 1 km away
  8. 2.55 km SW of Cobb, California · 15449 days ago · 0 km deep · 3 km away
  9. 3.06 km W of Cobb, California · 15449 days ago · 3 km deep · 1 km away
  10. 2.55 km WSW of Cobb, California · 15449 days ago · 0 km deep · 2 km away
  11. 2.56 km WSW of Cobb, California · 15449 days ago · -1 km deep · 1 km away
  12. 2.26 km WSW of Cobb, California · 15450 days ago · 3 km deep · 1 km away
  13. 1.86 km WSW of Cobb, California · 15450 days ago · 3 km deep · 1 km away
  14. 1.66 km WSW of Cobb, California · 15451 days ago · 3 km deep · 1 km away
  15. 2.14 km NE of Talmage, California · 15451 days ago · 7 km deep · 49 km away
  16. 2.123 km NNE of Potter Valley, California · 15451 days ago · 10 km deep · 80 km away
  17. 1.65 km NNE of Clearlake, California · 15452 days ago · -1 km deep · 29 km away
  18. 1.93 km N of Larkfield-Wikiup, California · 15452 days ago · 4 km deep · 29 km away
  19. 1.68 km WSW of Cobb, California · 15453 days ago · 3 km deep · 1 km away
  20. 1.74 km SE of Clear Lake Riviera, California · 15453 days ago · 2 km deep · 17 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc21026. Read Sat, Oct 3, 2026, 9:27 AM UTC.