California earthquakes

M1.5 earthquake 4 km NNE of Talmage, California

A magnitude 1.5 earthquake struck 4 km NNE of Talmage, California on Thu, Jun 28, 1990, 10:55 AM PDT (17:55 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M4.2 6 km W of Cobb, California. This one was a foreshock.

Talmage 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
1.5 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1990-06-28 17:55:50 UTC
Depth
6.9 km (4.3 mi), shallow
Epicenter
39.170° N, 123.138° 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 0.7 km horizontally, 1.2 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
182°, poorly surrounded by stations
Stations used
6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 160 in the 60 days after this one and 94 in the 30 days before it.

After

  1. 1.93 km SW of Cobb, California · 13246 days ago · 2 km deep · 54 km away
  2. 2.59 km W of Cobb, California · 13246 days ago · 1 km deep · 46 km away
  3. 1.810 km W of Cobb, California · 13246 days ago · -1 km deep · 47 km away
  4. 1.910 km W of Cobb, California · 13246 days ago · 0 km deep · 46 km away
  5. 2.47 km WSW of Cobb, California · 13245 days ago · 2 km deep · 50 km away
  6. 2.46 km SW of Cobb, California · 13245 days ago · -1 km deep · 53 km away
  7. 1.69 km W of Cobb, California · 13245 days ago · 2 km deep · 46 km away
  8. 2.05 km W of Cobb, California · 13244 days ago · 2 km deep · 49 km away
  9. 2.83 km SSW of Cobb, California · 13244 days ago · 1 km deep · 54 km away
  10. 1.88 km W of Cobb, California · 13244 days ago · 0 km deep · 48 km away
  11. 2.09 km SSE of Potter Valley, California · 13244 days ago · 4 km deep · 9 km away
  12. 2.29 km WNW of Cobb, California · 13244 days ago · 2 km deep · 46 km away
  13. 1.95 km WSW of Cobb, California · 13244 days ago · 0 km deep · 51 km away
  14. 1.78 km WSW of Cobb, California · 13243 days ago · 0 km deep · 49 km away
  15. 1.88 km W of Cobb, California · 13243 days ago · 1 km deep · 46 km away
  16. 3.08 km W of Cobb, California · 13243 days ago · 0 km deep · 46 km away
  17. 1.58 km WNW of Cobb, California · 13243 days ago · 2 km deep · 46 km away
  18. 1.88 km W of Cobb, California · 13243 days ago · 1 km deep · 46 km away
  19. 1.54 km W of Cobb, California · 13241 days ago · 0 km deep · 50 km away
  20. 1.810 km W of Cobb, California · 13240 days ago · 1 km deep · 47 km away
  21. 2.05 km WSW of Cobb, California · 13239 days ago · 3 km deep · 50 km away
  22. 2.55 km W of Cobb, California · 13239 days ago · 2 km deep · 49 km away
  23. 1.95 km W of Cobb, California · 13238 days ago · 0 km deep · 49 km away
  24. 1.99 km E of Hidden Valley Lake, California · 13237 days ago · 7 km deep · 71 km away
  25. 2.04 km WNW of Potter Valley, California · 13237 days ago · 2 km deep · 19 km away
  26. 1.97 km WSW of Cobb, California · 13236 days ago · 3 km deep · 51 km away
  27. 1.615 km N of Upper Lake, California · 13236 days ago · 7 km deep · 24 km away
  28. 1.77 km W of Cobb, California · 13236 days ago · 0 km deep · 48 km away
  29. 2.114 km N of Laytonville, California · 13236 days ago · 4 km deep · 78 km away
  30. 1.79 km ESE of Hopland, California · 13235 days ago · 2 km deep · 28 km away
  31. 2.310 km N of Cloverdale, California · 13235 days ago · 2 km deep · 32 km away
  32. 1.66 km WNW of Cobb, California · 13234 days ago · 1 km deep · 47 km away
  33. 1.66 km W of Cobb, California · 13234 days ago · 1 km deep · 47 km away
  34. 1.73 km W of Cobb, California · 13234 days ago · 0 km deep · 50 km away
  35. 1.77 km W of Cobb, California · 13234 days ago · 3 km deep · 48 km away
  36. 1.66 km WSW of Kenwood, California · 13234 days ago · 7 km deep · 98 km away
  37. 1.59 km S of Cobb, California · 13234 days ago · 4 km deep · 59 km away
  38. 1.98 km W of Cobb, California · 13234 days ago · 0 km deep · 47 km away
  39. 3.57 km WSW of Cobb, California · 13234 days ago · 0 km deep · 49 km away
  40. 1.88 km S of Cobb, California · 13234 days ago · 4 km deep · 59 km away
  41. 3.06 km WSW of Kenwood, California · 13234 days ago · 8 km deep · 98 km away
  42. 2.221 km NE of Potter Valley, California · 13234 days ago · 7 km deep · 36 km away
  43. 1.722 km NE of Potter Valley, California · 13234 days ago · 6 km deep · 37 km away
  44. 1.67 km ENE of Brooktrails, California · 13233 days ago · 10 km deep · 36 km away
  45. 2.48 km WSW of Cobb, California · 13233 days ago · 0 km deep · 50 km away
  46. 3.08 km WSW of Cobb, California · 13233 days ago · 0 km deep · 50 km away
  47. 2.28 km WSW of Cobb, California · 13233 days ago · -1 km deep · 49 km away
  48. 1.97 km WSW of Calistoga, California · 13232 days ago · 1 km deep · 80 km away
  49. 3.17 km ENE of Brooktrails, California · 13231 days ago · -1 km deep · 36 km away
  50. 2.36 km S of Hopland, California · 13230 days ago · 7 km deep · 28 km away
  51. 1.67 km W of Middletown, California · 13230 days ago · 1 km deep · 60 km away
  52. 1.77 km N of Geyserville, California · 13230 days ago · 4 km deep · 49 km away
  53. 1.77 km N of Geyserville, California · 13230 days ago · 4 km deep · 49 km away
  54. 1.64 km W of Cobb, California · 13228 days ago · -1 km deep · 49 km away
  55. 1.96 km WSW of Cobb, California · 13228 days ago · -1 km deep · 51 km away
  56. 1.5Northern California · 13227 days ago · 0 km deep · 57 km away
  57. 1.510 km W of Cobb, California · 13227 days ago · 1 km deep · 47 km away
  58. 1.85 km WSW of Cobb, California · 13227 days ago · -1 km deep · 51 km away
  59. 1.88 km WNW of Paskenta, California · 13226 days ago · 26 km deep · 94 km away
  60. 2.27 km N of Geyserville, California · 13226 days ago · 4 km deep · 49 km away

The first 60 of 160.

Before

  1. 1.87 km W of Cobb, California · 13247 days ago · 3 km deep · 48 km away
  2. 1.66 km NE of Hopland, California · 13248 days ago · 3 km deep · 19 km away
  3. 1.66 km WSW of Cobb, California · 13249 days ago · 0 km deep · 51 km away
  4. 2.64 km SSW of Cobb, California · 13249 days ago · 0 km deep · 55 km away
  5. 2.06 km SW of Cobb, California · 13249 days ago · 0 km deep · 54 km away
  6. 2.812 km ENE of Cloverdale, California · 13249 days ago · 1 km deep · 40 km away
  7. 1.512 km ENE of Cloverdale, California · 13249 days ago · 1 km deep · 40 km away
  8. 2.56 km W of Cobb, California · 13250 days ago · 3 km deep · 48 km away
  9. 1.67 km NE of Clearlake, California · 13250 days ago · 2 km deep · 51 km away
  10. 1.66 km E of Clearlake Oaks, California · 13250 days ago · -1 km deep · 50 km away
  11. 1.97 km E of Clearlake Oaks, California · 13250 days ago · -1 km deep · 50 km away
  12. 2.17 km WSW of Cobb, California · 13250 days ago · 4 km deep · 51 km away
  13. 2.07 km E of Clearlake Oaks, California · 13250 days ago · -1 km deep · 50 km away
  14. 1.911 km NE of Angwin, California · 13251 days ago · 6 km deep · 90 km away
  15. 1.910 km ESE of Willits, California · 13252 days ago · 4 km deep · 23 km away
  16. 1.68 km W of Cobb, California · 13252 days ago · 0 km deep · 47 km away
  17. 2.09 km SE of Willits, California · 13252 days ago · 1 km deep · 24 km away
  18. 2.06 km SW of Cobb, California · 13252 days ago · 0 km deep · 53 km away
  19. 1.64 km S of Cobb, California · 13252 days ago · 2 km deep · 56 km away
  20. 2.17 km W of Cobb, California · 13253 days ago · 4 km deep · 49 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1178259. Read Sun, Oct 4, 2026, 5:01 PM UTC.