California earthquakes

M1.6 earthquake 5 km SW of Cobb, California

A magnitude 1.6 earthquake struck 5 km SW of Cobb, California on Mon, Mar 26, 1990, 1:18 AM PST (09:18 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M3.6 6 km W 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
1990-03-26 09:18:03 UTC
Depth
1.6 km (1.0 mi), shallow
Epicenter
38.789° N, 122.772° 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, 0.7 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
75°
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: 175 in the 60 days after this one and 110 in the 30 days before it.

After

  1. 2.08 km WNW of Cobb, California · 13341 days ago · 0 km deep · 7 km away
  2. 2.25 km SW of Cobb, California · 13341 days ago · 2 km deep · 1 km away
  3. 1.57 km WSW of Cobb, California · 13340 days ago · 3 km deep · 3 km away
  4. 1.85 km W of Cobb, California · 13340 days ago · 1 km deep · 5 km away
  5. 2.55 km WSW of Cobb, California · 13340 days ago · 0 km deep · 2 km away
  6. 2.018 km ENE of Sea Ranch, California · 13339 days ago · 4 km deep · 43 km away
  7. 1.69 km NNE of Nice, California · 13339 days ago · 9 km deep · 46 km away
  8. 3.06 km W of Cobb, California · 13339 days ago · 2 km deep · 4 km away
  9. 2.0Northern California · 13339 days ago · 3 km deep · 5 km away
  10. 1.619 km ENE of Potter Valley, California · 13338 days ago · 5 km deep · 66 km away
  11. 2.06 km W of Cobb, California · 13338 days ago · 4 km deep · 5 km away
  12. 1.77 km W of Cobb, California · 13338 days ago · 4 km deep · 4 km away
  13. 3.018 km ENE of Angwin, California · 13338 days ago · 0 km deep · 47 km away
  14. 2.04 km WSW of Cobb, California · 13337 days ago · 1 km deep · 3 km away
  15. 2.08 km W of Cobb, California · 13336 days ago · -1 km deep · 6 km away
  16. 1.67 km WSW of Cobb, California · 13336 days ago · 1 km deep · 3 km away
  17. 2.23 km SSW of Cobb, California · 13336 days ago · 1 km deep · 2 km away
  18. 2.06 km W of Cobb, California · 13336 days ago · 0 km deep · 5 km away
  19. 2.618 km ENE of Potter Valley, California · 13334 days ago · 7 km deep · 65 km away
  20. 1.86 km WSW of Cobb, California · 13333 days ago · 1 km deep · 3 km away
  21. 2.56 km W of Cobb, California · 13333 days ago · 1 km deep · 5 km away
  22. 3.66 km W of Cobb, California · 13333 days ago · 1 km deep · 5 km away
  23. 2.75 km W of Cobb, California · 13333 days ago · -1 km deep · 3 km away
  24. 2.19 km W of Cobb, California · 13333 days ago · 1 km deep · 6 km away
  25. 2.15 km SW of Cobb, California · 13333 days ago · 2 km deep · 0 km away
  26. 1.75 km SSW of Cobb, California · 13333 days ago · 1 km deep · 2 km away
  27. 1.65 km SSW of Cobb, California · 13333 days ago · -1 km deep · 2 km away
  28. 2.18 km ESE of Willits, California · 13332 days ago · 2 km deep · 78 km away
  29. 3.07 km WSW of Cobb, California · 13332 days ago · 1 km deep · 3 km away
  30. 1.57 km W of Cobb, California · 13332 days ago · 3 km deep · 5 km away
  31. 1.69 km NW of Cobb, California · 13331 days ago · 1 km deep · 10 km away
  32. 1.85 km WSW of Cobb, California · 13331 days ago · 2 km deep · 3 km away
  33. 2.15 km SE of Hopland, California · 13331 days ago · 4 km deep · 31 km away
  34. 2.08 km W of Cobb, California · 13330 days ago · 3 km deep · 7 km away
  35. 2.24 km WSW of Cobb, California · 13329 days ago · 3 km deep · 2 km away
  36. 1.65 km SW of Cobb, California · 13329 days ago · 0 km deep · 1 km away
  37. 1.93 km S of Cobb, California · 13328 days ago · 2 km deep · 4 km away
  38. 1.710 km NE of Clearlake, California · 13328 days ago · -1 km deep · 33 km away
  39. 1.66 km SW of Cobb, California · 13328 days ago · 0 km deep · 0 km away
  40. 1.710 km W of Cobb, California · 13327 days ago · 0 km deep · 7 km away
  41. 2.24 km SW of Cobb, California · 13327 days ago · 1 km deep · 2 km away
  42. 1.59 km W of Cobb, California · 13327 days ago · 1 km deep · 7 km away
  43. 1.62 km NE of Santa Rosa, California · 13327 days ago · 8 km deep · 37 km away
  44. 2.23 km NNE of Talmage, California · 13327 days ago · 6 km deep · 52 km away
  45. 1.75 km ENE of Sonoma, California · 13327 days ago · 9 km deep · 63 km away
  46. 1.65 km WSW of Cobb, California · 13327 days ago · 1 km deep · 2 km away
  47. 1.67 km W of Cobb, California · 13327 days ago · 3 km deep · 5 km away
  48. 2.3near the coast of Northern California · 13327 days ago · 2 km deep · 81 km away
  49. 1.86 km SW of Cobb, California · 13325 days ago · 3 km deep · 1 km away
  50. 1.66 km W of Cobb, California · 13324 days ago · 3 km deep · 5 km away
  51. 1.64 km ESE of Roseland, California · 13324 days ago · 7 km deep · 44 km away
  52. 1.79 km W of Cobb, California · 13324 days ago · 0 km deep · 5 km away
  53. 1.86 km WSW of Cobb, California · 13323 days ago · -1 km deep · 2 km away
  54. 2.0Northern California · 13322 days ago · 1 km deep · 3 km away
  55. 1.66 km W of Cobb, California · 13322 days ago · 1 km deep · 4 km away
  56. 2.210 km NNE of Larkfield-Wikiup, California · 13322 days ago · 3 km deep · 22 km away
  57. 3.14 km WSW of Cobb, California · 13322 days ago · 1 km deep · 2 km away
  58. 1.65 km WSW of Cobb, California · 13321 days ago · 1 km deep · 2 km away
  59. 1.95 km WSW of Cobb, California · 13319 days ago · 1 km deep · 2 km away
  60. 1.85 km WSW of Cobb, California · 13319 days ago · 1 km deep · 2 km away

The first 60 of 175.

Before

  1. 1.56 km E of Calpella, California · 13342 days ago · 2 km deep · 58 km away
  2. 3.27 km WSW of Cobb, California · 13342 days ago · 0 km deep · 3 km away
  3. 1.614 km E of Angwin, California · 13343 days ago · -1 km deep · 49 km away
  4. 2.117 km NE of Nice, California · 13343 days ago · 9 km deep · 50 km away
  5. 2.717 km NE of Nice, California · 13343 days ago · 10 km deep · 50 km away
  6. 1.93 km WSW of Forestville, California · 13344 days ago · 0 km deep · 38 km away
  7. 2.27 km W of Cobb, California · 13344 days ago · 1 km deep · 5 km away
  8. 1.58 km ENE of Healdsburg, California · 13344 days ago · 6 km deep · 17 km away
  9. 1.76 km SW of Cobb, California · 13344 days ago · 0 km deep · 1 km away
  10. 1.65 km N of Windsor, California · 13345 days ago · -1 km deep · 22 km away
  11. 1.75 km SW of Cobb, California · 13345 days ago · 2 km deep · 1 km away
  12. 1.59 km SW of Napa, California · 13346 days ago · 9 km deep · 71 km away
  13. 2.07 km WSW of Cobb, California · 13346 days ago · 0 km deep · 3 km away
  14. 2.47 km WSW of Cobb, California · 13346 days ago · 4 km deep · 3 km away
  15. 1.73 km S of Cobb, California · 13347 days ago · 2 km deep · 5 km away
  16. 1.56 km W of Cobb, California · 13347 days ago · 1 km deep · 5 km away
  17. 2.85 km WSW of Cobb, California · 13348 days ago · 1 km deep · 2 km away
  18. 1.77 km SSW of Willits, California · 13348 days ago · 2 km deep · 81 km away
  19. 1.57 km WSW of Cobb, California · 13348 days ago · 1 km deep · 3 km away
  20. 2.17 km WSW of Cobb, California · 13348 days ago · 1 km deep · 3 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc154797. Read Sun, Oct 4, 2026, 5:41 PM UTC.