California earthquakes

M1.7 earthquake 5 km NE of Nice, California

A magnitude 1.7 earthquake struck 5 km NE of Nice, California on Sun, Apr 1, 1979, 11:43 PM PST (07:43 UTC), 9 km (5 mi) below the surface.

A larger quake followed: M3.0 6 km W of Cobb, 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
1.7 (md), micro
Local time
UTC
1979-04-02 07:43:36 UTC
Depth
8.7 km (5.4 mi), shallow
Epicenter
39.165° N, 122.812° 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 1.5 km horizontally, 1.4 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
248°, poorly surrounded by stations
Stations used
9

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 50 in the 60 days after this one and 44 in the 30 days before it.

After

  1. 2.13 km ESE of Calpella, California · 17347 days ago · 6 km deep · 31 km away
  2. 2.17 km SSE of Potter Valley, California · 17347 days ago · 41 km deep · 26 km away
  3. 1.53 km ESE of Calpella, California · 17347 days ago · 6 km deep · 31 km away
  4. 1.710 km NNW of Potter Valley, California · 17346 days ago · 4 km deep · 41 km away
  5. 1.912 km NNW of Potter Valley, California · 17346 days ago · 12 km deep · 43 km away
  6. 1.64 km SSE of Hopland, California · 17346 days ago · 7 km deep · 35 km away
  7. 2.03 km ESE of Talmage, California · 17346 days ago · 3 km deep · 28 km away
  8. 1.95 km WSW of Cobb, California · 17345 days ago · 0 km deep · 40 km away
  9. 1.55 km WSW of Cobb, California · 17345 days ago · 0 km deep · 40 km away
  10. 2.116 km N of Princeton, California · 17341 days ago · 19 km deep · 83 km away
  11. 1.710 km NW of Richvale, California · 17341 days ago · 23 km deep · 94 km away
  12. 1.66 km WSW of Cobb, California · 17337 days ago · 0 km deep · 40 km away
  13. 2.68 km WSW of Cobb, California · 17334 days ago · 4 km deep · 41 km away
  14. 1.58 km WSW of Cobb, California · 17334 days ago · 4 km deep · 41 km away
  15. 1.95 km ESE of Clearlake Oaks, California · 17334 days ago · 2 km deep · 24 km away
  16. 2.06 km WSW of Cobb, California · 17334 days ago · 4 km deep · 40 km away
  17. 1.710 km NW of Moskowite Corner, California · 17333 days ago · 5 km deep · 86 km away
  18. 1.84 km ENE of Saint Helena, California · 17333 days ago · 10 km deep · 80 km away
  19. 2.57 km WSW of Cobb, California · 17330 days ago · 3 km deep · 40 km away
  20. 1.910 km NNW of Potter Valley, California · 17328 days ago · 4 km deep · 41 km away
  21. 1.610 km SE of Boonville, California · 17325 days ago · 1 km deep · 49 km away
  22. 2.16 km WSW of Calistoga, California · 17324 days ago · 5 km deep · 69 km away
  23. 2.10 km N of Hopland, California · 17322 days ago · 7 km deep · 33 km away
  24. 2.46 km W of Cobb, California · 17321 days ago · 1 km deep · 38 km away
  25. 1.99 km W of Cobb, California · 17318 days ago · 1 km deep · 38 km away
  26. 2.411 km E of Comptche, California · 17318 days ago · 13 km deep · 57 km away
  27. 1.714 km NNW of Potter Valley, California · 17318 days ago · 4 km deep · 45 km away
  28. 3.06 km W of Cobb, California · 17317 days ago · 1 km deep · 37 km away
  29. 1.56 km WSW of Cobb, California · 17314 days ago · 1 km deep · 40 km away
  30. 1.94 km WSW of Guinda, California · 17313 days ago · 43 km deep · 64 km away
  31. 1.610 km E of Hidden Valley Lake, California · 17310 days ago · 10 km deep · 52 km away
  32. 1.64 km WSW of Cobb, California · 17308 days ago · 1 km deep · 40 km away
  33. 1.65 km WSW of Cobb, California · 17308 days ago · 0 km deep · 40 km away
  34. 2.22 km NNE of Deer Park, California · 17308 days ago · 11 km deep · 75 km away
  35. 2.33 km WSW of Cobb, California · 17306 days ago · 2 km deep · 40 km away
  36. 1.87 km W of Cobb, California · 17304 days ago · 1 km deep · 39 km away
  37. 2.27 km W of Cobb, California · 17302 days ago · 3 km deep · 38 km away
  38. 2.28 km WSW of Cobb, California · 17300 days ago · 1 km deep · 40 km away
  39. 2.913 km NW of Moskowite Corner, California · 17299 days ago · 11 km deep · 83 km away
  40. 2.35 km SSW of Calistoga, California · 17299 days ago · 3 km deep · 72 km away
  41. 1.78 km W of Cobb, California · 17297 days ago · 0 km deep · 39 km away
  42. 1.58 km WNW of Hopland, California · 17295 days ago · 2 km deep · 39 km away
  43. 1.89 km W of Cobb, California · 17294 days ago · 0 km deep · 38 km away
  44. 1.923 km ENE of Potter Valley, California · 17294 days ago · 9 km deep · 27 km away
  45. 1.86 km WNW of Cloverdale, California · 17292 days ago · 42 km deep · 44 km away
  46. 2.74 km WSW of Cobb, California · 17292 days ago · 1 km deep · 40 km away
  47. 2.77 km WSW of Cobb, California · 17292 days ago · 1 km deep · 40 km away
  48. 2.29 km NNW of Moskowite Corner, California · 17291 days ago · 16 km deep · 87 km away
  49. 1.67 km WSW of Cobb, California · 17289 days ago · 2 km deep · 41 km away
  50. 1.93 km ESE of Kenwood, California · 17288 days ago · 9 km deep · 89 km away

Before

  1. 1.53 km ESE of Calpella, California · 17348 days ago · 5 km deep · 31 km away
  2. 1.65 km ENE of Lucerne, California · 17350 days ago · 8 km deep · 9 km away
  3. 1.69 km E of Willits, California · 17351 days ago · 4 km deep · 45 km away
  4. 1.58 km WSW of Cobb, California · 17352 days ago · 4 km deep · 41 km away
  5. 1.70 km NNE of Larkfield-Wikiup, California · 17352 days ago · 4 km deep · 72 km away
  6. 1.86 km ENE of Brooktrails, California · 17354 days ago · 4 km deep · 54 km away
  7. 2.319 km NE of Upper Lake, California · 17355 days ago · 8 km deep · 16 km away
  8. 1.88 km NNE of Hopland, California · 17355 days ago · 0 km deep · 27 km away
  9. 1.98 km NNE of Hopland, California · 17355 days ago · 2 km deep · 27 km away
  10. 1.85 km SE of Santa Rosa, California · 17356 days ago · 10 km deep · 84 km away
  11. 2.16 km W of Cobb, California · 17356 days ago · 4 km deep · 38 km away
  12. 1.65 km ESE of Clearlake Oaks, California · 17356 days ago · 2 km deep · 24 km away
  13. 1.916 km WSW of Guinda, California · 17358 days ago · 5 km deep · 58 km away
  14. 2.2Northern California · 17358 days ago · -1 km deep · 74 km away
  15. 2.06 km N of Cloverdale, California · 17358 days ago · 5 km deep · 38 km away
  16. 1.96 km N of Cloverdale, California · 17358 days ago · 6 km deep · 37 km away
  17. 1.74 km WSW of Cobb, California · 17359 days ago · 1 km deep · 40 km away
  18. 1.99 km SSE of Hopland, California · 17359 days ago · 5 km deep · 38 km away
  19. 1.614 km NNE of Angwin, California · 17359 days ago · 4 km deep · 64 km away
  20. 2.015 km NNE of Angwin, California · 17359 days ago · 11 km deep · 64 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1045230. Read Tue, Sep 29, 2026, 7:51 PM UTC.