California earthquakes

M1.9 earthquake 5 km W of Cobb, California

A magnitude 1.9 earthquake struck 5 km W of Cobb, California on Thu, Nov 26, 1987, 5:44 AM PST (13:44 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M3.2 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
1.9 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1987-11-26 13:44:40 UTC
Depth
-0.3 km (-0.2 mi), shallow
Epicenter
38.822° N, 122.781° 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, 1.1 km in depth
Magnitude uncertainty
±0.03
Depth from
From location
Station coverage gap
102°
Stations used
5

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 103 in the 30 days before it.

After

  1. 1.69 km ESE of Hidden Valley Lake, California · 14188 days ago · 6 km deep · 29 km away
  2. 2.64 km WSW of Cobb, California · 14188 days ago · 1 km deep · 1 km away
  3. 2.34 km SW of Cobb, California · 14187 days ago · 0 km deep · 3 km away
  4. 1.74 km NNE of Calistoga, California · 14186 days ago · 15 km deep · 30 km away
  5. 1.920 km ENE of Potter Valley, California · 14186 days ago · 7 km deep · 64 km away
  6. 1.69 km WNW of Cobb, California · 14186 days ago · 14 km deep · 6 km away
  7. 2.213 km NNW of Moskowite Corner, California · 14185 days ago · 5 km deep · 54 km away
  8. 1.64 km WSW of Cobb, California · 14185 days ago · 1 km deep · 2 km away
  9. 1.67 km WNW of Cobb, CA · 14185 days ago · 0 km deep · 2 km away
  10. 2.17 km W of Cobb, California · 14185 days ago · 3 km deep · 2 km away
  11. 2.0Northern California · 14185 days ago · 1 km deep · 6 km away
  12. 1.86 km S of Cobb, California · 14185 days ago · 1 km deep · 8 km away
  13. 1.77 km WSW of Cobb, California · 14184 days ago · 4 km deep · 4 km away
  14. 1.67 km WSW of Cobb, California · 14184 days ago · 1 km deep · 3 km away
  15. 2.012 km WSW of Hopland, California · 14184 days ago · 6 km deep · 42 km away
  16. 2.16 km W of Cobb, California · 14184 days ago · 3 km deep · 2 km away
  17. 1.69 km W of Cobb, California · 14184 days ago · 0 km deep · 4 km away
  18. 2.86 km W of Cobb, California · 14184 days ago · 1 km deep · 2 km away
  19. 1.69 km W of Cobb, California · 14184 days ago · -1 km deep · 5 km away
  20. 1.78 km W of Cobb, California · 14184 days ago · 0 km deep · 4 km away
  21. 2.57 km WSW of Cobb, California · 14182 days ago · 3 km deep · 3 km away
  22. 1.97 km WSW of Cobb, California · 14182 days ago · 3 km deep · 3 km away
  23. 1.6Northern California · 14182 days ago · 1 km deep · 2 km away
  24. 2.17 km E of Potter Valley, California · 14182 days ago · 0 km deep · 59 km away
  25. 2.719 km ENE of Sea Ranch, California · 14181 days ago · 4 km deep · 42 km away
  26. 1.519 km ENE of Sea Ranch, California · 14181 days ago · 4 km deep · 42 km away
  27. 1.95 km W of Cobb, California · 14181 days ago · 1 km deep · 1 km away
  28. 1.97 km WSW of Cobb, California · 14180 days ago · 1 km deep · 3 km away
  29. 2.05 km WSW of Cobb, California · 14180 days ago · 0 km deep · 2 km away
  30. 2.56 km WSW of Cobb, California · 14180 days ago · 0 km deep · 3 km away
  31. 1.89 km W of Cobb, California · 14179 days ago · 0 km deep · 4 km away
  32. 2.16 km WNW of Cobb, California · 14179 days ago · 1 km deep · 2 km away
  33. 1.79 km ESE of Hidden Valley Lake, California · 14179 days ago · 7 km deep · 29 km away
  34. 1.94 km WSW of Cobb, California · 14179 days ago · 1 km deep · 2 km away
  35. 1.94 km WSW of Cobb, California · 14178 days ago · 2 km deep · 2 km away
  36. 1.97 km SW of Cobb, California · 14178 days ago · -1 km deep · 6 km away
  37. 2.16 km W of Cobb, California · 14178 days ago · 3 km deep · 2 km away
  38. 1.68 km WNW of American Canyon, California · 14178 days ago · 13 km deep · 79 km away
  39. 3.25 km SW of Cobb, California · 14177 days ago · 1 km deep · 5 km away
  40. 1.65 km SW of Cobb, California · 14177 days ago · -1 km deep · 4 km away
  41. 2.08 km W of Cobb, California · 14177 days ago · 1 km deep · 4 km away
  42. 1.68 km W of Cobb, California · 14177 days ago · 4 km deep · 4 km away
  43. 1.78 km W of Cobb, California · 14176 days ago · 2 km deep · 3 km away
  44. 1.94 km WSW of Cobb, California · 14176 days ago · -1 km deep · 1 km away
  45. 2.9near the coast of Northern California · 14175 days ago · -1 km deep · 75 km away
  46. 1.7Northern California · 14175 days ago · 2 km deep · 1 km away
  47. 2.16 km WSW of Cobb, California · 14174 days ago · 3 km deep · 2 km away
  48. 1.64 km WSW of Cobb, California · 14173 days ago · 0 km deep · 2 km away
  49. 2.06 km SW of Cobb, California · 14172 days ago · 1 km deep · 4 km away
  50. 1.96 km SW of Cobb, California · 14172 days ago · 1 km deep · 4 km away
  51. 1.75 km SW of Cobb, California · 14172 days ago · 1 km deep · 4 km away
  52. 1.75 km WNW of Cobb, California · 14172 days ago · 4 km deep · 2 km away
  53. 1.68 km W of Cobb, California · 14172 days ago · 0 km deep · 4 km away
  54. 1.67 km WSW of Cobb, California · 14172 days ago · 4 km deep · 3 km away
  55. 2.15 km W of Cobb, California · 14172 days ago · 3 km deep · 1 km away
  56. 1.86 km W of Cobb, California · 14172 days ago · 2 km deep · 1 km away
  57. 1.77 km W of Cobb, California · 14171 days ago · 0 km deep · 3 km away
  58. 1.76 km W of Cobb, California · 14171 days ago · 2 km deep · 1 km away
  59. 1.89 km S of Moskowite Corner, California · 14170 days ago · 8 km deep · 73 km away
  60. 1.76 km W of Cobb, California · 14170 days ago · 3 km deep · 1 km away

The first 60 of 170.

Before

  1. 1.95 km W of Cobb, California · 14189 days ago · 0 km deep · 0 km away
  2. 1.56 km WSW of Cobb, California · 14190 days ago · 0 km deep · 3 km away
  3. 2.18 km W of Cobb, California · 14190 days ago · 1 km deep · 4 km away
  4. 1.67 km WSW of Cobb, California · 14190 days ago · 4 km deep · 3 km away
  5. 1.74 km W of Cobb, California · 14191 days ago · 0 km deep · 1 km away
  6. 2.110 km SW of Cloverdale, California · 14191 days ago · 5 km deep · 30 km away
  7. 1.95 km WNW of Cobb, California · 14191 days ago · 2 km deep · 2 km away
  8. 1.6Northern California · 14191 days ago · 1 km deep · 1 km away
  9. 2.06 km W of Cobb, California · 14191 days ago · 3 km deep · 1 km away
  10. 1.55 km SW of Cobb, California · 14191 days ago · -1 km deep · 5 km away
  11. 1.6Northern California · 14191 days ago · 0 km deep · 5 km away
  12. 1.75 km SW of Cobb, California · 14191 days ago · -1 km deep · 5 km away
  13. 2.48 km ENE of Hidden Valley Lake, California · 14192 days ago · 10 km deep · 28 km away
  14. 1.67 km WSW of Cobb, California · 14192 days ago · 4 km deep · 4 km away
  15. 2.05 km E of Redwood Valley, California · 14192 days ago · 7 km deep · 57 km away
  16. 2.07 km W of Cobb, California · 14193 days ago · 3 km deep · 3 km away
  17. 2.28 km W of Cobb, California · 14193 days ago · 1 km deep · 4 km away
  18. 1.916 km NNE of Upper Lake, California · 14193 days ago · 4 km deep · 53 km away
  19. 2.54 km WSW of Cobb, California · 14193 days ago · 1 km deep · 2 km away
  20. 2.25 km NW of Montalvin, California · 14193 days ago · 5 km deep · 95 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1154036. Read Thu, Oct 1, 2026, 10:26 PM UTC.