California earthquakes

M1.6 earthquake 5 km WSW of Cobb, California

A magnitude 1.6 earthquake struck 5 km WSW of Cobb, California on Sat, Jul 23, 1983, 7:14 PM PDT (02:14 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M3.1 5 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.

Open the live map with earthquakes

The earthquake

Magnitude
1.6 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1983-07-24 02:14:56 UTC
Depth
0.1 km (0.1 mi), shallow
Epicenter
38.802° N, 122.782° 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, 0.8 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
106°
Stations used
9

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 178 in the 60 days after this one and 98 in the 30 days before it.

After

  1. 1.55 km WSW of Cobb, California · 15777 days ago · 0 km deep · 0 km away
  2. 2.37 km WSW of Moskowite Corner, California · 15777 days ago · 8 km deep · 62 km away
  3. 1.511 km SE of Hidden Valley Lake, California · 15776 days ago · 3 km deep · 30 km away
  4. 1.71 km SSW of Redwood Valley, California · 15776 days ago · 0 km deep · 62 km away
  5. 1.65 km NE of Ukiah, California · 15775 days ago · 6 km deep · 54 km away
  6. 1.97 km WSW of Cobb, California · 15775 days ago · 1 km deep · 2 km away
  7. 2.06 km WSW of Cobb, California · 15775 days ago · 0 km deep · 1 km away
  8. 2.46 km W of Cobb, California · 15774 days ago · 2 km deep · 3 km away
  9. 1.86 km W of Cobb, California · 15774 days ago · 3 km deep · 3 km away
  10. 1.86 km W of Cobb, California · 15773 days ago · 3 km deep · 2 km away
  11. 1.97 km W of Cobb, California · 15772 days ago · 3 km deep · 3 km away
  12. 1.65 km W of Cobb, California · 15772 days ago · -1 km deep · 2 km away
  13. 1.76 km W of Cobb, California · 15772 days ago · 1 km deep · 2 km away
  14. 1.69 km SW of Kelseyville, California · 15772 days ago · 11 km deep · 19 km away
  15. 1.69 km ESE of Hidden Valley Lake, California · 15771 days ago · 6 km deep · 29 km away
  16. 1.68 km W of Calistoga, California · 15771 days ago · 7 km deep · 26 km away
  17. 2.65 km SW of Cobb, California · 15771 days ago · 0 km deep · 1 km away
  18. 2.55 km SW of Cobb, California · 15771 days ago · -1 km deep · 1 km away
  19. 1.68 km WSW of Cobb, California · 15770 days ago · 1 km deep · 4 km away
  20. 1.96 km WSW of Cobb, California · 15770 days ago · 2 km deep · 1 km away
  21. 1.910 km NE of Cazadero, California · 15770 days ago · 1 km deep · 29 km away
  22. 1.67 km W of Cobb, California · 15770 days ago · 0 km deep · 3 km away
  23. 1.97 km W of Cobb, California · 15769 days ago · 3 km deep · 3 km away
  24. 2.99 km E of Hidden Valley Lake, California · 15769 days ago · 8 km deep · 29 km away
  25. 1.59 km NW of Redwood Valley, California · 15769 days ago · 6 km deep · 72 km away
  26. 1.95 km NNE of Cobb, California · 15768 days ago · 1 km deep · 10 km away
  27. 1.85 km WSW of Cobb, California · 15768 days ago · 0 km deep · 1 km away
  28. 2.27 km W of Cobb, California · 15768 days ago · 3 km deep · 3 km away
  29. 1.67 km WSW of Cobb, California · 15768 days ago · 3 km deep · 2 km away
  30. 2.36 km ESE of Santa Rosa, California · 15768 days ago · 0 km deep · 44 km away
  31. 2.17 km WSW of Cobb, California · 15766 days ago · 2 km deep · 2 km away
  32. 1.914 km N of Potter Valley, California · 15766 days ago · 8 km deep · 78 km away
  33. 2.57 km W of Cobb, California · 15765 days ago · 3 km deep · 3 km away
  34. 1.67 km W of Cobb, California · 15765 days ago · 3 km deep · 3 km away
  35. 1.66 km WSW of Cobb, California · 15765 days ago · 4 km deep · 2 km away
  36. 1.67 km ENE of Brooktrails, California · 15764 days ago · 8 km deep · 88 km away
  37. 2.16 km W of Cobb, California · 15764 days ago · 1 km deep · 2 km away
  38. 1.78 km NW of Redwood Valley, California · 15764 days ago · 5 km deep · 72 km away
  39. 3.15 km SW of Cobb, California · 15763 days ago · 0 km deep · 2 km away
  40. 2.85 km SW of Cobb, California · 15763 days ago · 0 km deep · 2 km away
  41. 1.65 km WSW of Cobb, California · 15763 days ago · 1 km deep · 0 km away
  42. 1.60 km W of Kelseyville, California · 15762 days ago · 2 km deep · 20 km away
  43. 1.96 km W of Cobb, California · 15762 days ago · 3 km deep · 2 km away
  44. 1.713 km NNW of Moskowite Corner, California · 15762 days ago · 0 km deep · 53 km away
  45. 1.612 km WNW of Cobb, California · 15761 days ago · 1 km deep · 9 km away
  46. 1.67 km W of Cobb, California · 15760 days ago · 3 km deep · 3 km away
  47. 1.8Northern California · 15759 days ago · 7 km deep · 26 km away
  48. 1.7near the coast of Northern California · 15759 days ago · 4 km deep · 27 km away
  49. 2.16 km WSW of Cobb, California · 15759 days ago · 1 km deep · 2 km away
  50. 1.66 km W of Cobb, California · 15758 days ago · 4 km deep · 3 km away
  51. 1.57 km W of Cobb, California · 15757 days ago · 3 km deep · 3 km away
  52. 1.94 km SE of Guerneville, California · 15757 days ago · 2 km deep · 39 km away
  53. 1.79 km ESE of Willits, California · 15757 days ago · 7 km deep · 76 km away
  54. 1.51 km SSW of Bodega Bay, California · 15756 days ago · 4 km deep · 58 km away
  55. 1.53 km SE of Clear Lake Riviera, California · 15756 days ago · 1 km deep · 17 km away
  56. 2.03 km SE of Calpella, California · 15755 days ago · 5 km deep · 57 km away
  57. 1.85 km WSW of Cobb, California · 15755 days ago · -1 km deep · 1 km away
  58. 2.05 km WSW of Cobb, California · 15755 days ago · 0 km deep · 0 km away
  59. 1.819 km NNE of Upper Lake, California · 15754 days ago · 5 km deep · 59 km away
  60. 1.75 km W of Cobb, California · 15753 days ago · 2 km deep · 2 km away

The first 60 of 178.

Before

  1. 1.86 km WSW of Cobb, California · 15777 days ago · 1 km deep · 1 km away
  2. 1.75 km SW of Cobb, California · 15777 days ago · -1 km deep · 1 km away
  3. 2.17 km ESE of Santa Rosa, California · 15777 days ago · 6 km deep · 44 km away
  4. 1.84 km WSW of Moskowite Corner, California · 15777 days ago · 7 km deep · 63 km away
  5. 1.85 km WSW of Cobb, California · 15777 days ago · 0 km deep · 1 km away
  6. 1.911 km ESE of Hidden Valley Lake, California · 15777 days ago · 6 km deep · 29 km away
  7. 2.07 km W of Kenwood, California · 15778 days ago · 6 km deep · 45 km away
  8. 1.77 km S of Cobb, California · 15778 days ago · -1 km deep · 8 km away
  9. 1.77 km WSW of Cobb, California · 15778 days ago · 3 km deep · 2 km away
  10. 1.79 km W of Cobb, California · 15779 days ago · 2 km deep · 5 km away
  11. 1.95 km S of Cobb, California · 15779 days ago · -1 km deep · 7 km away
  12. 1.88 km S of Cobb, California · 15779 days ago · 0 km deep · 8 km away
  13. 1.8Northern California · 15779 days ago · 3 km deep · 1 km away
  14. 1.63 km WSW of Calpella, California · 15780 days ago · 8 km deep · 61 km away
  15. 1.611 km SE of Hidden Valley Lake, California · 15780 days ago · 2 km deep · 29 km away
  16. 1.65 km S of Cobb, California · 15781 days ago · 1 km deep · 5 km away
  17. 2.010 km W of Plumas Lake, California · 15782 days ago · 6 km deep · 98 km away
  18. 1.58 km WSW of Cobb, California · 15782 days ago · 4 km deep · 3 km away
  19. 1.92 km S of Geyserville, California · 15782 days ago · 4 km deep · 17 km away
  20. 1.63 km ESE of Calpella, California · 15782 days ago · 4 km deep · 57 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1099170. Read Fri, Oct 2, 2026, 10:20 PM UTC.