California earthquakes

M1.9 earthquake 6 km WSW of Cobb, California

A magnitude 1.9 earthquake struck 6 km WSW of Cobb, California on Thu, May 26, 1983, 3:23 AM PDT (10:23 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M3.6 2 km SSE of Point Arena, 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
1.9 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1983-05-26 10:23:15 UTC
Depth
1.0 km (0.6 mi), shallow
Epicenter
38.811° N, 122.793° 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
±0.16
Depth from
From location
Station coverage gap
56°
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 191 in the 60 days after this one and 52 in the 30 days before it.

After

  1. 2.07 km W of Cobb, California · 15834 days ago · 3 km deep · 2 km away
  2. 1.86 km W of Cobb, California · 15834 days ago · 4 km deep · 1 km away
  3. 2.37 km W of Cobb, California · 15834 days ago · 3 km deep · 2 km away
  4. 1.67 km W of Cobb, California · 15834 days ago · 1 km deep · 1 km away
  5. 2.16 km E of Manchester, California · 15833 days ago · 11 km deep · 73 km away
  6. 3.37 km W of Cobb, California · 15833 days ago · 3 km deep · 2 km away
  7. 1.76 km W of Cobb, California · 15833 days ago · 2 km deep · 1 km away
  8. 2.17 km WSW of Cobb, California · 15831 days ago · 4 km deep · 2 km away
  9. 1.99 km WSW of Cobb, California · 15831 days ago · 2 km deep · 3 km away
  10. 2.16 km W of Cobb, California · 15830 days ago · 3 km deep · 0 km away
  11. 1.66 km W of Cobb, California · 15830 days ago · 3 km deep · 1 km away
  12. 2.11 km WNW of Point Reyes Station, California · 15829 days ago · 10 km deep · 82 km away
  13. 2.06 km W of Cobb, California · 15828 days ago · 3 km deep · 1 km away
  14. 2.15 km SW of Cobb, California · 15828 days ago · 1 km deep · 3 km away
  15. 1.86 km NE of Hopland, California · 15828 days ago · 1 km deep · 33 km away
  16. 1.58 km WSW of Cobb, California · 15827 days ago · 3 km deep · 3 km away
  17. 1.57 km WSW of Cobb, California · 15827 days ago · 3 km deep · 2 km away
  18. 1.76 km W of Cobb, California · 15826 days ago · 4 km deep · 0 km away
  19. 1.77 km W of Cobb, California · 15825 days ago · -1 km deep · 2 km away
  20. 2.08 km WSW of Cobb, California · 15825 days ago · 3 km deep · 2 km away
  21. 1.70 km SW of Clear Lake Riviera, California · 15825 days ago · -1 km deep · 16 km away
  22. 1.94 km WSW of Moskowite Corner, California · 15825 days ago · 3 km deep · 65 km away
  23. 1.80 km SE of Clear Lake Riviera, California · 15825 days ago · -1 km deep · 17 km away
  24. 1.72 km WSW of Kenwood, California · 15825 days ago · 5 km deep · 49 km away
  25. 2.46 km ENE of Brooktrails, California · 15825 days ago · 7 km deep · 87 km away
  26. 1.83 km SE of Calpella, California · 15825 days ago · 3 km deep · 56 km away
  27. 3.07 km W of Cobb, California · 15824 days ago · 3 km deep · 1 km away
  28. 1.88 km WSW of Cobb, California · 15823 days ago · 3 km deep · 2 km away
  29. 2.16 km W of Cobb, California · 15823 days ago · 4 km deep · 1 km away
  30. 1.66 km E of Clearlake Oaks, California · 15823 days ago · -1 km deep · 28 km away
  31. 1.57 km WSW of Cobb, California · 15822 days ago · 1 km deep · 2 km away
  32. 1.78 km S of Cobb, California · 15821 days ago · 1 km deep · 10 km away
  33. 1.97 km W of Cobb, California · 15821 days ago · 3 km deep · 1 km away
  34. 2.013 km ENE of Clearlake Oaks, California · 15820 days ago · 9 km deep · 37 km away
  35. 2.225 km SE of Covelo, California · 15820 days ago · 6 km deep · 93 km away
  36. 1.78 km WSW of Cobb, California · 15819 days ago · 1 km deep · 3 km away
  37. 2.08 km WSW of Cobb, California · 15819 days ago · 0 km deep · 2 km away
  38. 1.88 km WSW of Cobb, California · 15819 days ago · 1 km deep · 2 km away
  39. 2.18 km WSW of Cobb, California · 15819 days ago · 2 km deep · 2 km away
  40. 3.47 km WSW of Cobb, California · 15818 days ago · 3 km deep · 2 km away
  41. 2.27 km W of Cobb, California · 15818 days ago · 1 km deep · 2 km away
  42. 1.67 km WSW of Cobb, California · 15818 days ago · 3 km deep · 2 km away
  43. 2.14 km W of Cobb, California · 15818 days ago · 0 km deep · 1 km away
  44. 2.37 km W of Cobb, California · 15817 days ago · 4 km deep · 1 km away
  45. 2.37 km W of Cobb, California · 15817 days ago · 4 km deep · 1 km away
  46. 2.07 km W of Cobb, California · 15817 days ago · 3 km deep · 1 km away
  47. 1.57 km W of Cobb, California · 15817 days ago · 3 km deep · 1 km away
  48. 1.97 km NE of Talmage, California · 15817 days ago · 19 km deep · 50 km away
  49. 1.68 km W of Cobb, California · 15817 days ago · 0 km deep · 2 km away
  50. 1.611 km NE of Hopland, California · 15817 days ago · 6 km deep · 35 km away
  51. 1.98 km NW of Moskowite Corner, California · 15817 days ago · 24 km deep · 59 km away
  52. 1.86 km W of Cobb, California · 15816 days ago · 1 km deep · 0 km away
  53. 2.97 km WSW of Cobb, California · 15816 days ago · 2 km deep · 1 km away
  54. 2.97 km W of Cobb, California · 15816 days ago · 4 km deep · 1 km away
  55. 1.9Northern California · 15816 days ago · 3 km deep · 1 km away
  56. 1.89 km WSW of Cobb, California · 15816 days ago · 1 km deep · 3 km away
  57. 1.79 km WSW of Cobb, California · 15815 days ago · 2 km deep · 3 km away
  58. 2.11 km SSW of Redwood Valley, California · 15815 days ago · 7 km deep · 61 km away
  59. 2.00 km SSW of Redwood Valley, California · 15814 days ago · 6 km deep · 61 km away
  60. 1.60 km S of Redwood Valley, California · 15814 days ago · 5 km deep · 62 km away

The first 60 of 191.

Before

  1. 2.08 km WSW of Cobb, California · 15835 days ago · 4 km deep · 2 km away
  2. 1.84 km SW of Calistoga, California · 15836 days ago · -1 km deep · 33 km away
  3. 1.67 km WSW of Cobb, California · 15836 days ago · 2 km deep · 2 km away
  4. 2.37 km WSW of Cobb, California · 15836 days ago · 1 km deep · 1 km away
  5. 1.91 km W of American Canyon, California · 15836 days ago · 4 km deep · 84 km away
  6. 1.65 km W of Cobb, California · 15837 days ago · 6 km deep · 2 km away
  7. 1.66 km WSW of Cobb, California · 15838 days ago · 3 km deep · 0 km away
  8. 1.67 km W of Cobb, California · 15839 days ago · 3 km deep · 1 km away
  9. 2.47 km WSW of Cobb, California · 15839 days ago · 4 km deep · 2 km away
  10. 1.67 km WSW of Cobb, California · 15840 days ago · 1 km deep · 2 km away
  11. 2.59 km WSW of Cobb, California · 15840 days ago · 1 km deep · 3 km away
  12. 2.213 km SW of Willits, California · 15840 days ago · 0 km deep · 80 km away
  13. 1.714 km WSW of Calpella, California · 15841 days ago · 2 km deep · 66 km away
  14. 1.67 km WSW of Cobb, California · 15842 days ago · 1 km deep · 1 km away
  15. 1.86 km SW of Cobb, California · 15843 days ago · 3 km deep · 3 km away
  16. 1.87 km W of Cobb, California · 15843 days ago · 3 km deep · 2 km away
  17. 1.65 km W of Cobb, California · 15844 days ago · 1 km deep · 2 km away
  18. 2.35 km SW of Cobb, California · 15844 days ago · 0 km deep · 3 km away
  19. 1.55 km SW of Cobb, California · 15845 days ago · 1 km deep · 3 km away
  20. 1.76 km WSW of Cobb, California · 15846 days ago · 2 km deep · 2 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1095532. Read Fri, Oct 2, 2026, 8:00 AM UTC.