California earthquakes

M2.4 earthquake 13 km NNE of Angwin, California

A magnitude 2.4 earthquake struck 13 km NNE of Angwin, California on Sat, Oct 6, 1979, 12:04 AM PDT (07:04 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M3.2 3 km ENE of Alamo, California. This one was a foreshock.

Angwin 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), micro
Local time
UTC
1979-10-06 07:04:13 UTC
Depth
11.3 km (7.0 mi), shallow
Epicenter
38.683° N, 122.385° 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, 1.7 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
116°
Stations used
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 81 in the 60 days after this one and 34 in the 30 days before it.

After

  1. 2.24 km SE of Calpella, California · 17158 days ago · 4 km deep · 90 km away
  2. 1.94 km SE of Calpella, California · 17158 days ago · 7 km deep · 89 km away
  3. 1.86 km W of Cobb, California · 17156 days ago · 2 km deep · 39 km away
  4. 3.16 km E of Calpella, California · 17156 days ago · 5 km deep · 88 km away
  5. 2.65 km ENE of Hopland, CA · 17156 days ago · 5 km deep · 68 km away
  6. 1.912 km ESE of Hidden Valley Lake, California · 17155 days ago · 6 km deep · 8 km away
  7. 1.74 km SE of Calpella, California · 17155 days ago · 4 km deep · 89 km away
  8. 1.510 km W of Hopland, California · 17154 days ago · 6 km deep · 80 km away
  9. 1.63 km SW of Clearlake Oaks, California · 17153 days ago · -1 km deep · 45 km away
  10. 1.91 km NE of Pittsburg, California · 17152 days ago · 16 km deep · 84 km away
  11. 1.67 km NNE of Geyserville, California · 17152 days ago · 9 km deep · 44 km away
  12. 2.89 km NE of Benicia, California · 17151 days ago · 5 km deep · 67 km away
  13. 3.09 km N of Green Valley, California · 17151 days ago · 11 km deep · 42 km away
  14. 2.44 km WSW of Cobb, California · 17151 days ago · 4 km deep · 36 km away
  15. 1.82 km E of Orinda, California · 17150 days ago · 10 km deep · 92 km away
  16. 1.76 km ENE of Hopland, California · 17150 days ago · 5 km deep · 66 km away
  17. 1.72 km E of Calpella, California · 17150 days ago · 8 km deep · 92 km away
  18. 2.34 km WSW of Cobb, California · 17149 days ago · 1 km deep · 36 km away
  19. 2.110 km ESE of Hidden Valley Lake, California · 17146 days ago · 6 km deep · 10 km away
  20. 1.84 km WSW of Cobb, California · 17144 days ago · 1 km deep · 36 km away
  21. 1.56 km W of Cobb, California · 17141 days ago · 3 km deep · 39 km away
  22. 2.311 km N of Moskowite Corner, California · 17141 days ago · 3 km deep · 23 km away
  23. 1.54 km WSW of Cobb, California · 17140 days ago · 1 km deep · 36 km away
  24. 2.32 km ESE of Calpella, California · 17140 days ago · 4 km deep · 91 km away
  25. 2.12 km ESE of Calpella, California · 17140 days ago · 5 km deep · 92 km away
  26. 1.92 km ESE of Calpella, California · 17140 days ago · 4 km deep · 91 km away
  27. 1.63 km S of Geyserville, California · 17140 days ago · 4 km deep · 45 km away
  28. 1.78 km WSW of Cobb, California · 17139 days ago · 1 km deep · 39 km away
  29. 1.66 km W of Cobb, California · 17139 days ago · 0 km deep · 38 km away
  30. 2.31 km E of North Gate, California · 17138 days ago · 13 km deep · 93 km away
  31. 1.76 km SW of Napa, California · 17137 days ago · 6 km deep · 48 km away
  32. 2.13 km E of Berkeley, California · 17137 days ago · 11 km deep · 91 km away
  33. 2.54 km WSW of Cobb, California · 17134 days ago · 1 km deep · 36 km away
  34. 1.57 km W of Cobb, California · 17133 days ago · 3 km deep · 39 km away
  35. 1.96 km WSW of Cobb, California · 17132 days ago · 0 km deep · 38 km away
  36. 1.78 km SE of Moskowite Corner, California · 17130 days ago · 8 km deep · 40 km away
  37. 2.03 km E of Berkeley, California · 17130 days ago · 9 km deep · 91 km away
  38. 1.66 km W of Cobb, California · 17130 days ago · 4 km deep · 38 km away
  39. 2.25 km NE of Chinatown, California · 17128 days ago · 1 km deep · 94 km away
  40. 1.918 km ENE of Potter Valley, California · 17128 days ago · 4 km deep · 89 km away
  41. 2.24 km WSW of Cobb, California · 17127 days ago · 4 km deep · 36 km away
  42. 1.94 km WSW of Cobb, California · 17127 days ago · 2 km deep · 36 km away
  43. 2.29 km E of Angwin, California · 17127 days ago · 7 km deep · 14 km away
  44. 2.06 km W of Cobb, California · 17125 days ago · 3 km deep · 39 km away
  45. 1.76 km ENE of Windsor, California · 17125 days ago · 4 km deep · 34 km away
  46. 1.617 km NE of Nice, California · 17125 days ago · 8 km deep · 68 km away
  47. 1.67 km WSW of Cobb, California · 17125 days ago · 2 km deep · 39 km away
  48. 2.51 km NNW of Concord, California · 17123 days ago · 15 km deep · 82 km away
  49. 1.67 km WSW of Cobb, California · 17120 days ago · 0 km deep · 39 km away
  50. 1.97 km W of Cobb, California · 17120 days ago · 1 km deep · 40 km away
  51. 2.06 km W of Cobb, California · 17119 days ago · 3 km deep · 39 km away
  52. 2.1Northern California · 17117 days ago · 2 km deep · 36 km away
  53. 2.07 km N of Cobb, California · 17116 days ago · 1 km deep · 36 km away
  54. 2.85 km WSW of Glen Ellen, California · 17116 days ago · 7 km deep · 41 km away
  55. 1.84 km WSW of Cobb, California · 17115 days ago · 1 km deep · 36 km away
  56. 1.59 km WSW of Cobb, California · 17113 days ago · -1 km deep · 41 km away
  57. 1.73 km ESE of Calpella, California · 17113 days ago · 6 km deep · 91 km away
  58. 1.94 km WSW of Cobb, California · 17112 days ago · 1 km deep · 36 km away
  59. 3.07 km WSW of Cobb, California · 17111 days ago · 1 km deep · 39 km away
  60. 1.87 km W of Cobb, California · 17109 days ago · 3 km deep · 40 km away

The first 60 of 81.

Before

  1. 2.22 km ESE of Calpella, California · 17159 days ago · 4 km deep · 92 km away
  2. 1.56 km W of Cobb, California · 17160 days ago · 3 km deep · 39 km away
  3. 2.05 km N of American Canyon, California · 17160 days ago · 5 km deep · 52 km away
  4. 3.27 km WSW of Cobb, California · 17160 days ago · 4 km deep · 39 km away
  5. 2.05 km ESE of Lucerne, California · 17161 days ago · 3 km deep · 53 km away
  6. 2.34 km SSE of Geyserville, California · 17161 days ago · 6 km deep · 44 km away
  7. 1.813 km SE of Boonville, California · 17161 days ago · 5 km deep · 81 km away
  8. 2.12 km SE of Larkfield-Wikiup, California · 17162 days ago · 5 km deep · 36 km away
  9. 1.88 km NNE of Hopland, California · 17163 days ago · 0 km deep · 73 km away
  10. 1.77 km W of Cobb, California · 17165 days ago · 3 km deep · 39 km away
  11. 2.61 km NW of Concord, California · 17166 days ago · 16 km deep · 83 km away
  12. 1.73 km SW of Hopland, California · 17166 days ago · 2 km deep · 72 km away
  13. 1.64 km N of Boonville, California · 17167 days ago · 3 km deep · 93 km away
  14. 1.72 km E of Calpella, California · 17168 days ago · 5 km deep · 92 km away
  15. 1.56 km W of Cobb, California · 17169 days ago · 0 km deep · 39 km away
  16. 1.79 km WSW of Cobb, California · 17169 days ago · 2 km deep · 41 km away
  17. 1.96 km W of Cobb, California · 17170 days ago · 3 km deep · 39 km away
  18. 2.03 km SW of Clearlake, California · 17173 days ago · 5 km deep · 37 km away
  19. 1.510 km ESE of Hopland, California · 17174 days ago · 4 km deep · 61 km away
  20. 2.53 km E of Berkeley, California · 17174 days ago · 10 km deep · 91 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1048166. Read Sun, Sep 27, 2026, 1:15 PM UTC.