California earthquakes

M1.7 earthquake 5 km SSE of Rocklin, California

A magnitude 1.7 earthquake struck 5 km SSE of Rocklin, California on Sun, Mar 7, 1982, 2:42 PM PST (22:42 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M2.5 5 km W of Bangor, 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
1.7 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1982-03-07 22:42:03 UTC
Depth
11.2 km (7.0 mi), shallow
Epicenter
38.743° N, 121.222° 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 0.8 km horizontally, 2.1 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
189°, 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: 8 in the 60 days after this one and 16 in the 30 days before it.

After

  1. 1.73 km ESE of Loomis, California · 16277 days ago · 0 km deep · 10 km away
  2. 1.911 km SSE of Elmira, California · 16269 days ago · 16 km deep · 78 km away
  3. 1.97 km SSW of Sierra City, California · 16264 days ago · 24 km deep · 97 km away
  4. 2.03 km E of Discovery Bay, California · 16259 days ago · 3 km deep · 98 km away
  5. 1.54 km SSE of Rocklin, California · 16259 days ago · 9 km deep · 1 km away
  6. 2.55 km W of Bangor, California · 16246 days ago · 3 km deep · 75 km away
  7. 1.82 km E of Oroville, California · 16224 days ago · 9 km deep · 90 km away
  8. 2.312 km ESE of Graniteville, California · 16223 days ago · 15 km deep · 91 km away

Before

  1. 1.55 km ESE of Palermo, California · 16283 days ago · 8 km deep · 78 km away
  2. 2.66 km SE of Palermo, California · 16283 days ago · 6 km deep · 77 km away
  3. 2.511 km SW of Kingvale, California · 16283 days ago · 44 km deep · 83 km away
  4. 2.93 km W of Granite Bay, California · 16287 days ago · 10 km deep · 2 km away
  5. 2.24 km SSE of Rocklin, California · 16287 days ago · 12 km deep · 1 km away
  6. 1.87 km SSW of Sierra City, California · 16288 days ago · 16 km deep · 97 km away
  7. 1.911 km SW of Kingvale, California · 16291 days ago · 13 km deep · 83 km away
  8. 1.72 km WSW of Oakley, California · 16296 days ago · 9 km deep · 95 km away
  9. 2.14 km SE of Pittsburg, California · 16301 days ago · 18 km deep · 99 km away
  10. 2.21 km NE of Kingvale, California · 16301 days ago · 4 km deep · 95 km away
  11. 1.68 km N of Pittsburg, California · 16305 days ago · 19 km deep · 92 km away
  12. 2.84 km SSE of Rocklin, California · 16306 days ago · 10 km deep · 1 km away
  13. 2.15 km ENE of Citrus Heights, California · 16309 days ago · 16 km deep · 2 km away
  14. 1.95 km E of Dixon, California · 16309 days ago · 25 km deep · 58 km away
  15. 1.84 km NNE of Dixon, California · 16310 days ago · 3 km deep · 58 km away
  16. 1.73 km SSE of Palermo, California · 16311 days ago · 5 km deep · 78 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1072740. Read Mon, Oct 5, 2026, 8:11 AM UTC.