California earthquakes

M1.7 earthquake 7 km SSW of Willits, California

A magnitude 1.7 earthquake struck 7 km SSW of Willits, California on Mon, Mar 19, 1990, 9:48 AM PST (17:48 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.

Willits 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
1.7 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1990-03-19 17:48:20 UTC
Depth
1.8 km (1.1 mi), shallow
Epicenter
39.344° N, 123.377° 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, 8.7 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
103°
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 158 in the 60 days after this one and 109 in the 30 days before it.

After

  1. 2.85 km WSW of Cobb, California · 13348 days ago · 1 km deep · 79 km away
  2. 1.56 km W of Cobb, California · 13347 days ago · 1 km deep · 76 km away
  3. 1.73 km S of Cobb, California · 13347 days ago · 2 km deep · 84 km away
  4. 2.47 km WSW of Cobb, California · 13346 days ago · 4 km deep · 78 km away
  5. 2.07 km WSW of Cobb, California · 13346 days ago · 0 km deep · 78 km away
  6. 1.75 km SW of Cobb, California · 13345 days ago · 2 km deep · 80 km away
  7. 1.65 km N of Windsor, California · 13345 days ago · -1 km deep · 97 km away
  8. 1.76 km SW of Cobb, California · 13345 days ago · 0 km deep · 81 km away
  9. 1.58 km ENE of Healdsburg, California · 13344 days ago · 6 km deep · 94 km away
  10. 2.27 km W of Cobb, California · 13344 days ago · 1 km deep · 76 km away
  11. 2.717 km NE of Nice, California · 13343 days ago · 10 km deep · 59 km away
  12. 2.117 km NE of Nice, California · 13343 days ago · 9 km deep · 59 km away
  13. 3.27 km WSW of Cobb, California · 13342 days ago · 0 km deep · 79 km away
  14. 1.56 km E of Calpella, California · 13342 days ago · 2 km deep · 25 km away
  15. 1.65 km SW of Cobb, California · 13341 days ago · 2 km deep · 81 km away
  16. 2.08 km WNW of Cobb, California · 13341 days ago · 0 km deep · 74 km away
  17. 2.25 km SW of Cobb, California · 13341 days ago · 2 km deep · 80 km away
  18. 1.717 km W of Laytonville, California · 13341 days ago · 1 km deep · 46 km away
  19. 1.57 km WSW of Cobb, California · 13340 days ago · 3 km deep · 77 km away
  20. 1.85 km W of Cobb, California · 13340 days ago · 1 km deep · 76 km away
  21. 2.55 km WSW of Cobb, California · 13340 days ago · 0 km deep · 79 km away
  22. 2.018 km ENE of Sea Ranch, California · 13339 days ago · 4 km deep · 61 km away
  23. 1.69 km NNE of Nice, California · 13339 days ago · 9 km deep · 51 km away
  24. 3.06 km W of Cobb, California · 13339 days ago · 2 km deep · 77 km away
  25. 2.0Northern California · 13339 days ago · 3 km deep · 76 km away
  26. 1.619 km ENE of Potter Valley, California · 13338 days ago · 5 km deep · 42 km away
  27. 2.06 km W of Cobb, California · 13338 days ago · 4 km deep · 76 km away
  28. 1.77 km W of Cobb, California · 13338 days ago · 4 km deep · 77 km away
  29. 1.83 km NE of Redway, California · 13337 days ago · 21 km deep · 96 km away
  30. 2.04 km WSW of Cobb, California · 13337 days ago · 1 km deep · 79 km away
  31. 2.08 km W of Cobb, California · 13336 days ago · -1 km deep · 75 km away
  32. 1.67 km WSW of Cobb, California · 13336 days ago · 1 km deep · 78 km away
  33. 2.23 km SSW of Cobb, California · 13336 days ago · 1 km deep · 82 km away
  34. 2.06 km W of Cobb, California · 13336 days ago · 0 km deep · 76 km away
  35. 1.88 km S of Leggett, California · 13335 days ago · 3 km deep · 56 km away
  36. 2.618 km ENE of Potter Valley, California · 13334 days ago · 7 km deep · 41 km away
  37. 1.86 km WSW of Cobb, California · 13334 days ago · 1 km deep · 78 km away
  38. 2.56 km W of Cobb, California · 13333 days ago · 1 km deep · 76 km away
  39. 3.66 km W of Cobb, California · 13333 days ago · 1 km deep · 76 km away
  40. 2.75 km W of Cobb, California · 13333 days ago · -1 km deep · 78 km away
  41. 2.19 km W of Cobb, California · 13333 days ago · 1 km deep · 75 km away
  42. 2.15 km SW of Cobb, California · 13333 days ago · 2 km deep · 81 km away
  43. 1.75 km SSW of Cobb, California · 13333 days ago · 1 km deep · 83 km away
  44. 1.65 km SSW of Cobb, California · 13333 days ago · -1 km deep · 83 km away
  45. 2.18 km ESE of Willits, California · 13332 days ago · 2 km deep · 10 km away
  46. 3.07 km WSW of Cobb, California · 13332 days ago · 1 km deep · 78 km away
  47. 1.57 km W of Cobb, California · 13332 days ago · 3 km deep · 76 km away
  48. 1.69 km NW of Cobb, California · 13331 days ago · 1 km deep · 71 km away
  49. 1.85 km WSW of Cobb, California · 13331 days ago · 2 km deep · 78 km away
  50. 2.15 km SE of Hopland, California · 13331 days ago · 4 km deep · 52 km away
  51. 2.08 km W of Cobb, California · 13330 days ago · 3 km deep · 74 km away
  52. 2.24 km WSW of Cobb, California · 13330 days ago · 3 km deep · 79 km away
  53. 1.65 km SW of Cobb, California · 13329 days ago · 0 km deep · 82 km away
  54. 1.93 km S of Cobb, California · 13328 days ago · 2 km deep · 84 km away
  55. 1.710 km NE of Clearlake, California · 13328 days ago · -1 km deep · 79 km away
  56. 1.66 km SW of Cobb, California · 13328 days ago · 0 km deep · 81 km away
  57. 1.710 km W of Cobb, California · 13328 days ago · 0 km deep · 75 km away
  58. 2.24 km SW of Cobb, California · 13327 days ago · 1 km deep · 82 km away
  59. 1.59 km W of Cobb, California · 13327 days ago · 1 km deep · 74 km away
  60. 2.23 km NNE of Talmage, California · 13327 days ago · 6 km deep · 29 km away

The first 60 of 158.

Before

  1. 1.57 km WSW of Cobb, California · 13348 days ago · 1 km deep · 78 km away
  2. 2.17 km WSW of Cobb, California · 13348 days ago · 1 km deep · 78 km away
  3. 2.87 km WSW of Cobb, California · 13348 days ago · 1 km deep · 78 km away
  4. 2.27 km WSW of Cobb, California · 13348 days ago · 1 km deep · 78 km away
  5. 1.87 km W of Cobb, California · 13349 days ago · 3 km deep · 76 km away
  6. 1.97 km W of Cobb, California · 13349 days ago · 3 km deep · 76 km away
  7. 1.616 km ENE of Potter Valley, California · 13350 days ago · 0 km deep · 39 km away
  8. 1.67 km W of Cobb, California · 13350 days ago · 4 km deep · 76 km away
  9. 1.61 km S of Clearlake, California · 13350 days ago · 5 km deep · 79 km away
  10. 1.89 km W of Cobb, California · 13351 days ago · 0 km deep · 76 km away
  11. 1.87 km W of Cobb, California · 13351 days ago · 1 km deep · 76 km away
  12. 2.319 km SW of Williams, California · 13351 days ago · 13 km deep · 98 km away
  13. 1.59 km W of Cobb, California · 13351 days ago · 0 km deep · 75 km away
  14. 1.85 km SW of Cobb, California · 13351 days ago · 0 km deep · 82 km away
  15. 2.85 km WSW of Cobb, California · 13351 days ago · 4 km deep · 80 km away
  16. 2.221 km NE of Potter Valley, California · 13352 days ago · 8 km deep · 40 km away
  17. 1.99 km W of Cobb, California · 13352 days ago · 1 km deep · 75 km away
  18. 1.66 km WNW of Cobb, California · 13352 days ago · 0 km deep · 75 km away
  19. 1.97 km WNW of Cobb, California · 13352 days ago · -1 km deep · 75 km away
  20. 1.65 km WNW of Cobb, California · 13352 days ago · -1 km deep · 76 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1174149. Read Sun, Oct 4, 2026, 6:53 PM UTC.