California earthquakes

M1.8 earthquake 5 km SW of Eldridge, California

A magnitude 1.8 earthquake struck 5 km SW of Eldridge, California on Wed, Mar 7, 1990, 1:18 PM PST (21:18 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M4.4 3 km SSE of North Gate, California. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.8 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1990-03-07 21:18:54 UTC
Depth
3.2 km (2.0 mi), shallow
Epicenter
38.315° N, 122.562° 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 2.8 km horizontally, 5.5 km in depth
Depth from
From location
Station coverage gap
179°
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: 185 in the 60 days after this one and 108 in the 30 days before it.

After

  1. 1.66 km W of Cobb, California · 13359 days ago · 0 km deep · 60 km away
  2. 1.6Northern California · 13359 days ago · 13 km deep · 86 km away
  3. 1.68 km W of Cobb, California · 13357 days ago · 1 km deep · 62 km away
  4. 2.05 km W of Cobb, California · 13357 days ago · 0 km deep · 59 km away
  5. 2.89 km W of Cobb, California · 13357 days ago · 0 km deep · 60 km away
  6. 1.65 km WSW of Glen Ellen, California · 13357 days ago · 8 km deep · 3 km away
  7. 1.87 km W of Cobb, California · 13356 days ago · 1 km deep · 60 km away
  8. 1.75 km SW of Cobb, California · 13356 days ago · 2 km deep · 56 km away
  9. 1.69 km W of Cobb, California · 13356 days ago · 1 km deep · 61 km away
  10. 2.78 km W of Cobb, California · 13356 days ago · 0 km deep · 62 km away
  11. 1.65 km W of Cobb, California · 13355 days ago · 0 km deep · 59 km away
  12. 1.7Northern California · 13355 days ago · 3 km deep · 56 km away
  13. 2.56 km WSW of Cobb, California · 13355 days ago · 0 km deep · 58 km away
  14. 2.26 km WSW of Cobb, California · 13355 days ago · 0 km deep · 58 km away
  15. 2.64 km W of Cobb, California · 13355 days ago · 1 km deep · 59 km away
  16. 1.65 km WNW of Cobb, California · 13355 days ago · 0 km deep · 61 km away
  17. 1.64 km W of Cobb, California · 13355 days ago · 2 km deep · 59 km away
  18. 1.95 km ENE of Rohnert Park, California · 13355 days ago · 7 km deep · 9 km away
  19. 2.0Northern California · 13354 days ago · 1 km deep · 58 km away
  20. 2.43 km SSE of Piedmont, California · 13354 days ago · 9 km deep · 66 km away
  21. 1.84 km W of Cobb, California · 13352 days ago · 0 km deep · 59 km away
  22. 1.66 km W of Cobb, California · 13352 days ago · 0 km deep · 60 km away
  23. 3.75 km WNW of Cobb, California · 13352 days ago · 1 km deep · 62 km away
  24. 1.65 km WNW of Cobb, California · 13352 days ago · -1 km deep · 61 km away
  25. 1.97 km WNW of Cobb, California · 13352 days ago · -1 km deep · 62 km away
  26. 1.66 km WNW of Cobb, California · 13352 days ago · 0 km deep · 63 km away
  27. 1.99 km W of Cobb, California · 13352 days ago · 1 km deep · 61 km away
  28. 2.85 km WSW of Cobb, California · 13351 days ago · 4 km deep · 57 km away
  29. 1.58 km WSW of Arbuckle, California · 13351 days ago · 4 km deep · 82 km away
  30. 1.85 km SW of Cobb, California · 13351 days ago · 0 km deep · 55 km away
  31. 1.59 km W of Cobb, California · 13351 days ago · 0 km deep · 61 km away
  32. 2.319 km SW of Williams, California · 13350 days ago · 13 km deep · 83 km away
  33. 1.87 km W of Cobb, California · 13350 days ago · 1 km deep · 61 km away
  34. 1.89 km W of Cobb, California · 13350 days ago · 0 km deep · 60 km away
  35. 1.61 km S of Clearlake, California · 13350 days ago · 5 km deep · 70 km away
  36. 1.67 km W of Cobb, California · 13350 days ago · 4 km deep · 60 km away
  37. 1.98 km ESE of Hidden Valley Lake, California · 13349 days ago · 7 km deep · 52 km away
  38. 1.97 km W of Cobb, California · 13349 days ago · 3 km deep · 60 km away
  39. 3.01 km NNW of North Gate, California · 13348 days ago · 14 km deep · 65 km away
  40. 1.87 km W of Cobb, California · 13348 days ago · 3 km deep · 60 km away
  41. 2.02 km NW of North Gate, California · 13348 days ago · 14 km deep · 64 km away
  42. 1.91 km NNW of North Gate, California · 13348 days ago · 13 km deep · 65 km away
  43. 2.27 km WSW of Cobb, California · 13348 days ago · 1 km deep · 58 km away
  44. 2.87 km WSW of Cobb, California · 13348 days ago · 1 km deep · 58 km away
  45. 2.17 km WSW of Cobb, California · 13348 days ago · 1 km deep · 58 km away
  46. 1.57 km WSW of Cobb, California · 13348 days ago · 1 km deep · 58 km away
  47. 2.85 km WSW of Cobb, California · 13347 days ago · 1 km deep · 58 km away
  48. 2.41 km NNW of North Gate, California · 13347 days ago · 15 km deep · 65 km away
  49. 1.56 km W of Cobb, California · 13347 days ago · 1 km deep · 60 km away
  50. 1.73 km S of Cobb, California · 13346 days ago · 2 km deep · 54 km away
  51. 2.47 km WSW of Cobb, California · 13346 days ago · 4 km deep · 58 km away
  52. 2.13 km ESE of Pittsburg, California · 13345 days ago · 0 km deep · 71 km away
  53. 2.07 km WSW of Cobb, California · 13345 days ago · 0 km deep · 58 km away
  54. 1.59 km SW of Napa, California · 13345 days ago · 9 km deep · 20 km away
  55. 1.75 km SW of Cobb, California · 13345 days ago · 2 km deep · 56 km away
  56. 1.65 km N of Windsor, California · 13345 days ago · -1 km deep · 38 km away
  57. 1.76 km SW of Cobb, California · 13344 days ago · 0 km deep · 55 km away
  58. 1.58 km ENE of Healdsburg, California · 13344 days ago · 6 km deep · 41 km away
  59. 2.27 km W of Cobb, California · 13344 days ago · 1 km deep · 60 km away
  60. 1.93 km WSW of Forestville, California · 13343 days ago · 0 km deep · 36 km away

The first 60 of 185.

Before

  1. 1.73 km SW of Cobb, California · 13360 days ago · 1 km deep · 56 km away
  2. 1.510 km ESE of Hidden Valley Lake, California · 13360 days ago · 7 km deep · 52 km away
  3. 1.84 km W of Cobb, California · 13360 days ago · 1 km deep · 60 km away
  4. 1.84 km WSW of Moskowite Corner, California · 13361 days ago · 3 km deep · 31 km away
  5. 2.14 km WSW of Cobb, California · 13361 days ago · 1 km deep · 57 km away
  6. 2.07 km WNW of Cobb, California · 13361 days ago · 0 km deep · 62 km away
  7. 1.71 km ENE of Millbrae, California · 13362 days ago · 11 km deep · 81 km away
  8. 1.70 km ENE of Millbrae, California · 13362 days ago · 12 km deep · 81 km away
  9. 1.55 km WSW of Cobb, California · 13362 days ago · 1 km deep · 57 km away
  10. 1.66 km SW of Cobb, California · 13362 days ago · 1 km deep · 56 km away
  11. 1.78 km W of Cobb, California · 13362 days ago · 1 km deep · 60 km away
  12. 1.614 km SE of Hidden Valley Lake, California · 13363 days ago · 9 km deep · 48 km away
  13. 2.214 km SE of Hidden Valley Lake, California · 13363 days ago · 9 km deep · 47 km away
  14. 2.17 km WSW of Cobb, California · 13363 days ago · 1 km deep · 58 km away
  15. 1.55 km WSW of Cobb, California · 13363 days ago · 1 km deep · 58 km away
  16. 1.75 km W of Cobb, California · 13364 days ago · 1 km deep · 60 km away
  17. 1.73 km SSW of Cobb, California · 13364 days ago · 1 km deep · 56 km away
  18. 2.03 km SSW of Cobb, California · 13364 days ago · 2 km deep · 56 km away
  19. 2.27 km WSW of Cobb, California · 13365 days ago · 1 km deep · 58 km away
  20. 1.67 km S of Cobb, California · 13365 days ago · -1 km deep · 51 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc153914. Read Sun, Oct 4, 2026, 8:53 AM UTC.