California earthquakes

M2.2 earthquake 4 km SSE of Rocklin, California

A magnitude 2.2 earthquake struck 4 km SSE of Rocklin, California on Tue, Mar 2, 1982, 7:49 PM PST (03:49 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M2.9 3 km W of Granite Bay, California. This one was a foreshock.

Granite Bay 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
2.2 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1982-03-03 03:49:19 UTC
Depth
11.7 km (7.3 mi), shallow
Epicenter
38.752° N, 121.216° 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, 1.0 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
155°
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 2.93 km W of Granite Bay, California · 16285 days ago · 10 km deep · 1 km away
  2. 2.511 km SW of Kingvale, California · 16281 days ago · 44 km deep · 82 km away
  3. 2.66 km SE of Palermo, California · 16281 days ago · 6 km deep · 76 km away
  4. 1.55 km ESE of Palermo, California · 16281 days ago · 8 km deep · 77 km away
  5. 1.75 km SSE of Rocklin, California · 16280 days ago · 11 km deep · 1 km away
  6. 1.73 km ESE of Loomis, California · 16274 days ago · 0 km deep · 9 km away
  7. 1.911 km SSE of Elmira, California · 16266 days ago · 16 km deep · 79 km away
  8. 1.97 km SSW of Sierra City, California · 16261 days ago · 24 km deep · 96 km away
  9. 2.03 km E of Discovery Bay, California · 16257 days ago · 3 km deep · 99 km away
  10. 1.54 km SSE of Rocklin, California · 16257 days ago · 9 km deep · 0 km away
  11. 2.55 km W of Bangor, California · 16243 days ago · 3 km deep · 74 km away

Before

  1. 1.87 km SSW of Sierra City, California · 16285 days ago · 16 km deep · 96 km away
  2. 1.911 km SW of Kingvale, California · 16289 days ago · 13 km deep · 82 km away
  3. 1.72 km WSW of Oakley, California · 16294 days ago · 9 km deep · 96 km away
  4. 2.21 km NE of Kingvale, California · 16299 days ago · 4 km deep · 94 km away
  5. 1.68 km N of Pittsburg, California · 16303 days ago · 19 km deep · 93 km away
  6. 2.84 km SSE of Rocklin, California · 16304 days ago · 10 km deep · 1 km away
  7. 2.15 km ENE of Citrus Heights, California · 16306 days ago · 16 km deep · 3 km away
  8. 1.95 km E of Dixon, California · 16307 days ago · 25 km deep · 59 km away
  9. 1.84 km NNE of Dixon, California · 16307 days ago · 3 km deep · 59 km away
  10. 1.73 km SSE of Palermo, California · 16309 days ago · 5 km deep · 78 km away
  11. 2.44 km E of Allendale, California · 16310 days ago · 11 km deep · 67 km away
  12. 1.63 km NNW of Elmira, California · 16312 days ago · 4 km deep · 75 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1072586. Read Fri, Oct 2, 2026, 10:51 PM UTC.