California earthquakes

M1.6 earthquake 18 km NE of Upper Lake, California

A magnitude 1.6 earthquake struck 18 km NE of Upper Lake, California on Sat, May 12, 1990, 12:14 AM PDT (07:14 UTC), 9 km (5 mi) below the surface.

A larger quake followed: M3.6 4 km W of Cobb, California. This one was a foreshock.

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

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The earthquake

Magnitude
1.6 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1990-05-12 07:14:24 UTC
Depth
8.7 km (5.4 mi), shallow
Epicenter
39.288° N, 122.764° 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 0.4 km horizontally, 1.4 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
89°
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: 187 in the 60 days after this one and 81 in the 30 days before it.

After

  1. 1.77 km W of Cobb, California · 13294 days ago · 4 km deep · 53 km away
  2. 2.09 km WSW of Cobb, California · 13293 days ago · 2 km deep · 54 km away
  3. 2.110 km SE of Leggett, California · 13293 days ago · 9 km deep · 94 km away
  4. 1.89 km W of Cobb, California · 13293 days ago · 1 km deep · 51 km away
  5. 1.56 km W of Cobb, California · 13293 days ago · 2 km deep · 52 km away
  6. 1.67 km W of Cobb, California · 13293 days ago · 3 km deep · 52 km away
  7. 1.69 km WNW of Cobb, California · 13292 days ago · 2 km deep · 50 km away
  8. 2.69 km W of Cobb, California · 13292 days ago · 0 km deep · 52 km away
  9. 2.19 km W of Cobb, California · 13292 days ago · 0 km deep · 52 km away
  10. 2.29 km W of Cobb, California · 13292 days ago · 0 km deep · 53 km away
  11. 2.49 km W of Cobb, California · 13292 days ago · 1 km deep · 53 km away
  12. 2.35 km SW of Cobb, California · 13292 days ago · 3 km deep · 55 km away
  13. 1.67 km WSW of Cobb, California · 13291 days ago · 1 km deep · 54 km away
  14. 2.27 km W of Cobb, California · 13291 days ago · 0 km deep · 51 km away
  15. 3.18 km W of Cobb, California · 13291 days ago · 0 km deep · 51 km away
  16. 2.27 km W of Cobb, California · 13291 days ago · 0 km deep · 51 km away
  17. 1.87 km W of Cobb, California · 13290 days ago · 0 km deep · 51 km away
  18. 1.86 km W of Cobb, California · 13290 days ago · 3 km deep · 53 km away
  19. 1.54 km SSW of Cobb, California · 13290 days ago · 0 km deep · 55 km away
  20. 1.84 km SSW of Cobb, California · 13290 days ago · 1 km deep · 55 km away
  21. 2.09 km W of Cobb, California · 13289 days ago · 1 km deep · 53 km away
  22. 2.913 km WSW of Paskenta, California · 13289 days ago · 1 km deep · 62 km away
  23. 2.014 km WSW of Paskenta, California · 13289 days ago · 1 km deep · 61 km away
  24. 2.331 km ENE of Covelo, California · 13289 days ago · 22 km deep · 71 km away
  25. 2.17 km NE of Upper Lake, California · 13289 days ago · 8 km deep · 12 km away
  26. 1.66 km W of Cobb, California · 13288 days ago · 3 km deep · 52 km away
  27. 1.79 km W of Cobb, California · 13288 days ago · 0 km deep · 52 km away
  28. 2.24 km WSW of Cobb, California · 13287 days ago · 2 km deep · 53 km away
  29. 2.05 km WNW of Cobb, California · 13287 days ago · 1 km deep · 50 km away
  30. 1.75 km WNW of Cobb, California · 13287 days ago · 1 km deep · 50 km away
  31. 1.85 km W of Cobb, California · 13286 days ago · 2 km deep · 52 km away
  32. 2.18 km WSW of Cobb, California · 13286 days ago · 4 km deep · 55 km away
  33. 1.56 km S of Cobb, California · 13286 days ago · 1 km deep · 59 km away
  34. 1.64 km S of Cobb, California · 13285 days ago · 2 km deep · 56 km away
  35. 1.65 km SW of Cobb, California · 13285 days ago · 1 km deep · 56 km away
  36. 1.55 km SSW of Cobb, California · 13285 days ago · 2 km deep · 57 km away
  37. 2.25 km SW of Cobb, California · 13285 days ago · 2 km deep · 56 km away
  38. 1.87 km SW of Laytonville, California · 13284 days ago · 6 km deep · 77 km away
  39. 2.24 km W of Cobb, California · 13284 days ago · 2 km deep · 52 km away
  40. 1.69 km W of Cobb, California · 13283 days ago · 1 km deep · 51 km away
  41. 3.58 km W of Cobb, California · 13283 days ago · -1 km deep · 51 km away
  42. 3.19 km W of Cobb, California · 13283 days ago · -1 km deep · 53 km away
  43. 2.48 km W of Cobb, California · 13283 days ago · -1 km deep · 52 km away
  44. 2.19 km W of Cobb, California · 13283 days ago · 0 km deep · 53 km away
  45. 1.69 km W of Cobb, California · 13283 days ago · 0 km deep · 53 km away
  46. 2.74 km S of Cobb, California · 13282 days ago · 1 km deep · 57 km away
  47. 1.95 km W of Cobb, California · 13282 days ago · 0 km deep · 52 km away
  48. 2.06 km SW of Cobb, California · 13282 days ago · 2 km deep · 55 km away
  49. 1.99 km NNE of Laytonville, California · 13281 days ago · 6 km deep · 79 km away
  50. 1.87 km WSW of Cobb, California · 13280 days ago · 1 km deep · 54 km away
  51. 1.612 km ENE of Cloverdale, California · 13279 days ago · 0 km deep · 51 km away
  52. 1.65 km W of Cobb, California · 13279 days ago · 0 km deep · 52 km away
  53. 2.17 km WSW of Cobb, California · 13279 days ago · 3 km deep · 54 km away
  54. 2.85 km WSW of Cobb, California · 13279 days ago · 0 km deep · 53 km away
  55. 1.6Northern California · 13278 days ago · -1 km deep · 55 km away
  56. 1.86 km W of Cobb, California · 13278 days ago · 4 km deep · 52 km away
  57. 1.812 km ENE of Cloverdale, California · 13278 days ago · 1 km deep · 51 km away
  58. 1.84 km W of Cobb, California · 13277 days ago · 1 km deep · 52 km away
  59. 2.76 km W of Cobb, California · 13277 days ago · 0 km deep · 52 km away
  60. 1.87 km E of Hopland, California · 13276 days ago · 5 km deep · 41 km away

The first 60 of 187.

Before

  1. 1.618 km NE of Upper Lake, California · 13294 days ago · 9 km deep · 0 km away
  2. 1.67 km W of Cobb, California · 13294 days ago · 4 km deep · 53 km away
  3. 1.54 km ESE of Roseland, California · 13295 days ago · 7 km deep · 98 km away
  4. 1.84 km ESE of Roseland, California · 13295 days ago · 7 km deep · 98 km away
  5. 1.87 km W of Cobb, California · 13295 days ago · 3 km deep · 52 km away
  6. 1.82 km NE of Lower Lake, California · 13296 days ago · 6 km deep · 43 km away
  7. 1.65 km SSW of Calistoga, California · 13297 days ago · 4 km deep · 85 km away
  8. 2.214 km W of Paskenta, California · 13298 days ago · -1 km deep · 68 km away
  9. 2.18 km W of Cobb, California · 13298 days ago · 1 km deep · 51 km away
  10. 1.78 km W of Cobb, California · 13299 days ago · 4 km deep · 52 km away
  11. 1.721 km E of Potter Valley, California · 13300 days ago · 3 km deep · 12 km away
  12. 1.88 km W of Cobb, California · 13301 days ago · 0 km deep · 51 km away
  13. 1.88 km W of Cobb, California · 13301 days ago · 1 km deep · 51 km away
  14. 2.22 km SSW of Fulton, California · 13301 days ago · 4 km deep · 90 km away
  15. 2.04 km E of Lakeport, California · 13301 days ago · 11 km deep · 28 km away
  16. 1.79 km W of Cobb, California · 13301 days ago · 1 km deep · 52 km away
  17. 2.46 km ESE of Roseland, California · 13302 days ago · 9 km deep · 99 km away
  18. 1.7Northern California · 13303 days ago · 3 km deep · 52 km away
  19. 1.73 km WSW of Cobb, California · 13303 days ago · 0 km deep · 53 km away
  20. 1.77 km W of Cobb, California · 13304 days ago · 3 km deep · 53 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1176558. Read Sun, Oct 4, 2026, 4:08 PM UTC.