California earthquakes

M1.8 earthquake 1 km E of Deer Park, California

A magnitude 1.8 earthquake struck 1 km E of Deer Park, California on Thu, Dec 30, 1982, 12:42 AM PST (08:42 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M3.2 9 km ESE of Boonville, California. This one was a foreshock.

Deer Park 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
1.8 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1982-12-30 08:42:15 UTC
Depth
10.7 km (6.7 mi), shallow
Epicenter
38.532° N, 122.456° 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 0.5 km horizontally, 1.4 km in depth
Magnitude uncertainty
±0.27
Depth from
From location
Station coverage gap
222°, poorly surrounded by stations
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 113 in the 60 days after this one and 78 in the 30 days before it.

After

  1. 2.24 km NE of Talmage, California · 15984 days ago · 8 km deep · 92 km away
  2. 2.38 km W of Cobb, California · 15983 days ago · 1 km deep · 44 km away
  3. 1.9Northern California · 15983 days ago · 0 km deep · 44 km away
  4. 1.65 km W of Cobb, California · 15982 days ago · 1 km deep · 42 km away
  5. 1.75 km SW of Cobb, California · 15982 days ago · 0 km deep · 40 km away
  6. 1.91 km ENE of Piedmont, California · 15982 days ago · 7 km deep · 81 km away
  7. 1.612 km NNW of Moskowite Corner, California · 15981 days ago · 2 km deep · 17 km away
  8. 1.63 km SE of Calpella, California · 15981 days ago · 2 km deep · 98 km away
  9. 1.77 km W of Cobb, California · 15979 days ago · 0 km deep · 44 km away
  10. 1.610 km SW of Brentwood, California · 15979 days ago · 16 km deep · 97 km away
  11. 1.89 km N of Moskowite Corner, California · 15978 days ago · 10 km deep · 21 km away
  12. 1.713 km NNW of Moskowite Corner, California · 15978 days ago · 3 km deep · 17 km away
  13. 1.77 km NW of Moskowite Corner, California · 15978 days ago · 2 km deep · 19 km away
  14. 2.53 km NNE of Dixon, California · 15978 days ago · 30 km deep · 57 km away
  15. 1.94 km S of Cobb, California · 15976 days ago · 1 km deep · 37 km away
  16. 1.95 km W of Hopland, California · 15976 days ago · 6 km deep · 80 km away
  17. 1.65 km WSW of Cobb, California · 15976 days ago · -1 km deep · 41 km away
  18. 1.53 km NNE of Bay Point, California · 15975 days ago · 19 km deep · 69 km away
  19. 2.27 km WSW of Moskowite Corner, California · 15975 days ago · 13 km deep · 20 km away
  20. 2.05 km NE of Hopland, California · 15974 days ago · 5 km deep · 76 km away
  21. 1.87 km W of Cobb, California · 15974 days ago · 3 km deep · 44 km away
  22. 1.61 km SE of Clearlake, California · 15974 days ago · 3 km deep · 48 km away
  23. 2.05 km NE of Hopland, California · 15974 days ago · 5 km deep · 76 km away
  24. 1.812 km ESE of Hidden Valley Lake, California · 15974 days ago · 6 km deep · 25 km away
  25. 1.79 km SE of Hidden Valley Lake, California · 15974 days ago · 0 km deep · 24 km away
  26. 1.710 km W of Cobb, California · 15974 days ago · 4 km deep · 47 km away
  27. 1.63 km NNE of Pacifica, California · 15973 days ago · 10 km deep · 99 km away
  28. 1.91 km SE of Danville, California · 15973 days ago · 6 km deep · 90 km away
  29. 1.72 km WSW of Broadmoor, California · 15973 days ago · 12 km deep · 96 km away
  30. 2.214 km NNE of Angwin, California · 15972 days ago · 9 km deep · 19 km away
  31. 1.611 km SE of Hidden Valley Lake, California · 15970 days ago · 3 km deep · 24 km away
  32. 2.36 km W of Cobb, California · 15969 days ago · 3 km deep · 44 km away
  33. 1.88 km W of Cobb, California · 15969 days ago · 4 km deep · 44 km away
  34. 1.74 km W of Cobb, California · 15968 days ago · 2 km deep · 43 km away
  35. 2.27 km W of Cobb, California · 15968 days ago · 2 km deep · 43 km away
  36. 1.94 km S of Cobb, California · 15968 days ago · 2 km deep · 36 km away
  37. 2.14 km WSW of Cobb, California · 15967 days ago · 2 km deep · 41 km away
  38. 1.66 km W of Cobb, California · 15967 days ago · 2 km deep · 43 km away
  39. 1.55 km WSW of Cobb, California · 15965 days ago · 0 km deep · 41 km away
  40. 2.15 km S of Cobb, California · 15965 days ago · 0 km deep · 36 km away
  41. 2.95 km WSW of Cobb, California · 15965 days ago · 0 km deep · 41 km away
  42. 1.97 km W of Cobb, California · 15964 days ago · 1 km deep · 43 km away
  43. 2.77 km W of Cobb, California · 15964 days ago · 3 km deep · 44 km away
  44. 1.93 km NNE of San Leandro, California · 15963 days ago · 4 km deep · 91 km away
  45. 2.85 km SW of Cobb, California · 15962 days ago · -1 km deep · 40 km away
  46. 1.96 km W of Cobb, California · 15960 days ago · 3 km deep · 43 km away
  47. 2.08 km WSW of Cobb, California · 15960 days ago · 2 km deep · 44 km away
  48. 2.018 km NE of Nice, California · 15959 days ago · 8 km deep · 84 km away
  49. 2.3Northern California · 15959 days ago · 6 km deep · 15 km away
  50. 2.19 km ESE of Boonville, California · 15959 days ago · 5 km deep · 86 km away
  51. 3.29 km ESE of Boonville, California · 15959 days ago · 5 km deep · 86 km away
  52. 2.09 km ESE of Boonville, California · 15959 days ago · 6 km deep · 86 km away
  53. 1.513 km ESE of Hidden Valley Lake, California · 15958 days ago · 3 km deep · 26 km away
  54. 2.19 km WNW of Cobb, California · 15958 days ago · 1 km deep · 48 km away
  55. 1.96 km W of Cobb, California · 15956 days ago · 0 km deep · 43 km away
  56. 1.67 km WSW of Cobb, California · 15955 days ago · 0 km deep · 43 km away
  57. 2.411 km NW of Moskowite Corner, California · 15954 days ago · 8 km deep · 16 km away
  58. 1.77 km W of Cobb, California · 15953 days ago · 0 km deep · 43 km away
  59. 1.87 km W of Cobb, California · 15953 days ago · 0 km deep · 44 km away
  60. 1.95 km SW of Cobb, California · 15953 days ago · -1 km deep · 40 km away

The first 60 of 113.

Before

  1. 2.26 km E of Lakeport, California · 15985 days ago · 45 km deep · 66 km away
  2. 2.24 km NNW of Benicia, California · 15985 days ago · 7 km deep · 55 km away
  3. 1.97 km W of Cobb, California · 15987 days ago · 0 km deep · 45 km away
  4. 1.61 km SE of Clearlake, California · 15987 days ago · 2 km deep · 48 km away
  5. 1.57 km WSW of Cobb, California · 15987 days ago · -1 km deep · 42 km away
  6. 2.06 km W of Cobb, California · 15988 days ago · 2 km deep · 43 km away
  7. 1.511 km ESE of Hidden Valley Lake, California · 15988 days ago · 2 km deep · 25 km away
  8. 1.77 km W of Cobb, California · 15988 days ago · 3 km deep · 44 km away
  9. 3.16 km WSW of Cobb, California · 15988 days ago · 3 km deep · 43 km away
  10. 1.83 km NE of Talmage, California · 15988 days ago · 7 km deep · 92 km away
  11. 1.79 km WSW of Cobb, California · 15988 days ago · 1 km deep · 44 km away
  12. 1.93 km SE of Piedmont, California · 15990 days ago · 9 km deep · 84 km away
  13. 1.66 km W of Cobb, California · 15991 days ago · 3 km deep · 43 km away
  14. 1.66 km W of Cobb, California · 15991 days ago · 3 km deep · 44 km away
  15. 1.67 km W of Cobb, California · 15993 days ago · 3 km deep · 44 km away
  16. 1.55 km SW of Cobb, California · 15993 days ago · 0 km deep · 39 km away
  17. 2.59 km WSW of Cobb, California · 15993 days ago · 2 km deep · 44 km away
  18. 2.21 km SSE of Clearlake, California · 15993 days ago · 3 km deep · 48 km away
  19. 1.91 km SE of Clearlake, California · 15993 days ago · 3 km deep · 48 km away
  20. 2.31 km SSE of Clearlake, California · 15993 days ago · 3 km deep · 48 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1083682. Read Sun, Oct 4, 2026, 4:33 PM UTC.