California earthquakes

M2.4 earthquake 6 km WSW of Cobb, California

A magnitude 2.4 earthquake struck 6 km WSW of Cobb, California on Fri, Apr 18, 1980, 11:50 PM PST (07:50 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M3.1 7 km WSW 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
1980-04-19 07:50:47 UTC
Depth
3.5 km (2.2 mi), shallow
Epicenter
38.809° N, 122.801° 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, 0.6 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
119°
Stations used
14

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 60 in the 30 days before it.

After

  1. 1.85 km ENE of Cloverdale, California · 16968 days ago · 2 km deep · 14 km away
  2. 1.726 km SE of Covelo, California · 16965 days ago · 6 km deep · 92 km away
  3. 2.25 km SW of Lodoga, California · 16964 days ago · 1 km deep · 56 km away
  4. 1.825 km SE of Covelo, California · 16964 days ago · 4 km deep · 92 km away
  5. 1.525 km SE of Covelo, California · 16964 days ago · 6 km deep · 92 km away
  6. 2.79 km WSW of Cobb, California · 16964 days ago · 2 km deep · 2 km away
  7. 1.67 km WSW of Cobb, California · 16964 days ago · 1 km deep · 2 km away
  8. 2.28 km NNE of Calistoga, California · 16964 days ago · 5 km deep · 29 km away
  9. 1.711 km ESE of Hidden Valley Lake, California · 16963 days ago · 10 km deep · 32 km away
  10. 2.24 km WSW of Cobb, California · 16962 days ago · 1 km deep · 3 km away
  11. 1.88 km ESE of Willits, California · 16962 days ago · 0 km deep · 75 km away
  12. 2.76 km N of Potter Valley, California · 16962 days ago · 0 km deep · 68 km away
  13. 2.16 km E of Santa Venetia, California · 16961 days ago · 4 km deep · 96 km away
  14. 1.610 km ESE of Hidden Valley Lake, California · 16961 days ago · 10 km deep · 31 km away
  15. 2.64 km WNW of Moskowite Corner, California · 16961 days ago · 3 km deep · 62 km away
  16. 1.56 km WSW of Cobb, California · 16961 days ago · -1 km deep · 1 km away
  17. 2.27 km WSW of Cobb, California · 16960 days ago · 3 km deep · 1 km away
  18. 1.913 km WSW of Brooktrails, California · 16960 days ago · 4 km deep · 89 km away
  19. 2.47 km NE of Rohnert Park, California · 16960 days ago · 7 km deep · 49 km away
  20. 1.613 km SE of Hidden Valley Lake, California · 16959 days ago · -1 km deep · 33 km away
  21. 1.7Northern California · 16959 days ago · 4 km deep · 39 km away
  22. 1.97 km N of Kenwood, California · 16959 days ago · 7 km deep · 42 km away
  23. 1.59 km WSW of Cobb, California · 16958 days ago · 2 km deep · 2 km away
  24. 1.824 km SE of Covelo, California · 16958 days ago · 5 km deep · 93 km away
  25. 1.614 km NNE of Angwin, California · 16958 days ago · 13 km deep · 38 km away
  26. 1.75 km WNW of Ukiah, California · 16958 days ago · 4 km deep · 57 km away
  27. 1.96 km W of Cobb, California · 16957 days ago · -1 km deep · 3 km away
  28. 2.47 km SE of Point Arena, California · 16957 days ago · 5 km deep · 72 km away
  29. 1.920 km SSE of Covelo, California · 16956 days ago · -1 km deep · 96 km away
  30. 2.04 km ENE of Potter Valley, California · 16956 days ago · 42 km deep · 62 km away
  31. 2.09 km ESE of Hidden Valley Lake, California · 16956 days ago · 9 km deep · 31 km away
  32. 2.17 km E of Willits, California · 16956 days ago · 6 km deep · 77 km away
  33. 2.025 km SE of Covelo, California · 16956 days ago · 5 km deep · 92 km away
  34. 1.71 km NW of Larkfield-Wikiup, California · 16956 days ago · 1 km deep · 32 km away
  35. 2.48 km E of Willits, California · 16956 days ago · 7 km deep · 77 km away
  36. 1.88 km E of Willits, California · 16955 days ago · 8 km deep · 77 km away
  37. 1.89 km E of Willits, California · 16954 days ago · 4 km deep · 77 km away
  38. 1.75 km E of Clearlake, California · 16954 days ago · 5 km deep · 27 km away
  39. 1.61 km ESE of Calpella, California · 16953 days ago · 4 km deep · 57 km away
  40. 2.325 km SE of Covelo, California · 16953 days ago · 5 km deep · 92 km away
  41. 1.84 km WSW of Cobb, California · 16953 days ago · 2 km deep · 3 km away
  42. 1.86 km NE of Rohnert Park, California · 16953 days ago · 8 km deep · 48 km away
  43. 1.66 km NNE of Hopland, California · 16953 days ago · 3 km deep · 34 km away
  44. 2.0near the coast of Northern California · 16952 days ago · 2 km deep · 34 km away
  45. 1.614 km SE of Hidden Valley Lake, California · 16952 days ago · 4 km deep · 33 km away
  46. 2.017 km NNE of Nice, California · 16952 days ago · -1 km deep · 51 km away
  47. 1.87 km WSW of Cobb, California · 16951 days ago · 1 km deep · 1 km away
  48. 2.47 km E of Willits, California · 16950 days ago · 6 km deep · 77 km away
  49. 3.06 km W of Cobb, California · 16949 days ago · 3 km deep · 2 km away
  50. 1.56 km W of Cobb, California · 16949 days ago · 2 km deep · 3 km away
  51. 1.67 km ENE of Santa Rosa, California · 16949 days ago · 4 km deep · 39 km away
  52. 2.32 km ESE of Calpella, California · 16948 days ago · 6 km deep · 56 km away
  53. 2.76 km WSW of Cobb, California · 16947 days ago · 1 km deep · 1 km away
  54. 1.94 km WSW of Cobb, California · 16947 days ago · 1 km deep · 3 km away
  55. 1.58 km ESE of Willits, California · 16945 days ago · 4 km deep · 75 km away
  56. 1.67 km S of Potter Valley, California · 16945 days ago · 3 km deep · 56 km away
  57. 1.83 km ESE of Santa Venetia, California · 16944 days ago · 4 km deep · 96 km away
  58. 1.87 km WNW of Cobb, CA · 16944 days ago · 5 km deep · 4 km away
  59. 2.26 km ENE of Willits, California · 16944 days ago · 7 km deep · 80 km away
  60. 1.51 km SSE of Upper Lake, California · 16944 days ago · 21 km deep · 39 km away

The first 60 of 123.

Before

  1. 1.75 km ENE of Cloverdale, California · 16968 days ago · 2 km deep · 14 km away
  2. 2.25 km ENE of Cloverdale, California · 16968 days ago · 2 km deep · 14 km away
  3. 2.45 km ENE of Cloverdale, California · 16968 days ago · 2 km deep · 14 km away
  4. 2.85 km ENE of Cloverdale, California · 16968 days ago · 2 km deep · 14 km away
  5. 2.010 km ESE of Hidden Valley Lake, California · 16969 days ago · 10 km deep · 31 km away
  6. 1.613 km E of Hidden Valley Lake, California · 16969 days ago · 13 km deep · 35 km away
  7. 2.710 km ESE of Hidden Valley Lake, California · 16969 days ago · 9 km deep · 31 km away
  8. 2.011 km NE of Healdsburg, California · 16970 days ago · 5 km deep · 15 km away
  9. 1.56 km WSW of Cobb, California · 16970 days ago · -1 km deep · 0 km away
  10. 1.67 km WSW of Cobb, California · 16971 days ago · 1 km deep · 0 km away
  11. 1.57 km ENE of Brooktrails, California · 16971 days ago · 6 km deep · 87 km away
  12. 1.59 km E of Willits, California · 16971 days ago · 5 km deep · 76 km away
  13. 1.610 km ENE of Willits, California · 16972 days ago · 2 km deep · 80 km away
  14. 1.97 km E of Cloverdale, California · 16972 days ago · 1 km deep · 11 km away
  15. 2.25 km SSW of Hopland, California · 16973 days ago · 3 km deep · 33 km away
  16. 2.48 km WNW of Guinda, California · 16973 days ago · 14 km deep · 46 km away
  17. 2.311 km NNW of Potter Valley, California · 16973 days ago · 8 km deep · 75 km away
  18. 2.15 km WSW of Cobb, California · 16974 days ago · 1 km deep · 2 km away
  19. 2.115 km NNE of Brooktrails, California · 16975 days ago · 9 km deep · 98 km away
  20. 1.65 km SE of Calpella, California · 16976 days ago · 0 km deep · 54 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1052289. Read Sat, Oct 3, 2026, 10:33 AM UTC.