California earthquakes

M1.5 earthquake 3 km SSE of Rocklin, California

A magnitude 1.5 earthquake struck 3 km SSE of Rocklin, California on Thu, Dec 23, 1982, 1:34 PM PST (21:34 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M2.3 2 km S of Kingvale, California. This one was a foreshock.

Rocklin 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), micro
Local time
UTC
1982-12-23 21:34:07 UTC
Depth
11.0 km (6.8 mi), shallow
Epicenter
38.759° N, 121.220° 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, 0.9 km in depth
Magnitude uncertainty
±0.25
Depth from
From location
Station coverage gap
152°
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: 27 in the 60 days after this one and 22 in the 30 days before it.

After

  1. 2.32 km S of Kingvale, California · 15977 days ago · 8 km deep · 91 km away
  2. 2.43 km SSE of Rocklin, California · 15972 days ago · 8 km deep · 1 km away
  3. 2.8Northern California · 15971 days ago · 18 km deep · 87 km away
  4. 1.612 km NNW of Moskowite Corner, California · 15970 days ago · 2 km deep · 93 km away
  5. 1.715 km SSW of Kingvale, California · 15967 days ago · 2 km deep · 79 km away
  6. 1.89 km N of Moskowite Corner, California · 15967 days ago · 10 km deep · 90 km away
  7. 1.713 km NNW of Moskowite Corner, California · 15966 days ago · 3 km deep · 94 km away
  8. 1.77 km NW of Moskowite Corner, California · 15966 days ago · 2 km deep · 94 km away
  9. 2.53 km NNE of Dixon, California · 15966 days ago · 30 km deep · 60 km away
  10. 2.27 km WSW of Moskowite Corner, California · 15963 days ago · 13 km deep · 98 km away
  11. 2.214 km NNE of Angwin, California · 15960 days ago · 9 km deep · 99 km away
  12. 2.34 km S of Soda Springs, California · 15958 days ago · 5 km deep · 93 km away
  13. 2.310 km NNW of Kingvale, California · 15957 days ago · 7 km deep · 97 km away
  14. 2.16 km ESE of Palermo, California · 15953 days ago · 0 km deep · 76 km away
  15. 2.3Northern California · 15947 days ago · 6 km deep · 96 km away
  16. 2.41 km NNE of Citrus Heights, California · 15945 days ago · 21 km deep · 7 km away
  17. 1.94 km WNW of Dobbins, California · 15944 days ago · 17 km deep · 70 km away
  18. 2.34 km ESE of Roseville, California · 15944 days ago · 14 km deep · 3 km away
  19. 2.111 km SW of Kingvale, California · 15944 days ago · 10 km deep · 82 km away
  20. 2.411 km NW of Moskowite Corner, California · 15943 days ago · 8 km deep · 95 km away
  21. 2.117 km SSW of Kingvale, California · 15942 days ago · 5 km deep · 76 km away
  22. 1.913 km NNW of Moskowite Corner, California · 15937 days ago · 13 km deep · 94 km away
  23. 1.65 km S of Rocklin, California · 15937 days ago · 12 km deep · 2 km away
  24. 1.53 km SSE of Rocklin, California · 15937 days ago · 12 km deep · 0 km away
  25. 2.78 km SSW of Kingvale, California · 15925 days ago · 20 km deep · 85 km away
  26. 2.36 km S of Oroville East, California · 15922 days ago · 7 km deep · 80 km away
  27. 2.33 km ESE of Palermo, California · 15922 days ago · 8 km deep · 78 km away

Before

  1. 1.77 km ENE of Lincoln, California · 15980 days ago · 10 km deep · 19 km away
  2. 1.76 km SSW of Kingvale, California · 15988 days ago · 3 km deep · 88 km away
  3. 2.25 km NNW of Pittsburg, California · 15991 days ago · 17 km deep · 97 km away
  4. 1.98 km NW of Newcastle, California · 15992 days ago · 9 km deep · 20 km away
  5. 2.21 km SE of Graniteville, California · 15997 days ago · 20 km deep · 86 km away
  6. 3.08 km NW of Williams, California · 15997 days ago · 14 km deep · 100 km away
  7. 3.37 km NW of Williams, California · 15997 days ago · 16 km deep · 100 km away
  8. 2.18 km WNW of Williams, California · 15997 days ago · 21 km deep · 100 km away
  9. 1.65 km N of Pittsburg, California · 15997 days ago · 19 km deep · 95 km away
  10. 3.56 km WNW of Williams, California · 15998 days ago · 15 km deep · 99 km away
  11. 2.16 km WNW of Williams, California · 15998 days ago · 21 km deep · 98 km away
  12. 2.64 km WNW of Williams, California · 16000 days ago · 16 km deep · 96 km away
  13. 3.05 km W of Williams, California · 16000 days ago · 12 km deep · 96 km away
  14. 2.95 km WNW of Williams, California · 16000 days ago · 11 km deep · 97 km away
  15. 2.78 km NW of Williams, California · 16000 days ago · 15 km deep · 100 km away
  16. 2.37 km WNW of Williams, California · 16000 days ago · 15 km deep · 99 km away
  17. 3.1Northern California · 16000 days ago · 14 km deep · 98 km away
  18. 3.0Northern California · 16000 days ago · 14 km deep · 98 km away
  19. 2.5Northern California · 16000 days ago · 6 km deep · 97 km away
  20. 2.42 km N of Green Valley, California · 16006 days ago · 8 km deep · 98 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1083411. Read Tue, Sep 22, 2026, 8:45 PM UTC.