California earthquakes

M2.0 earthquake 4 km SSE of Rocklin, California

A magnitude 2.0 earthquake struck 4 km SSE of Rocklin, California on Mon, Nov 4, 1985, 9:56 AM PST (17:56 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M4.6 10 km SSE of Sierra City, 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
2.0 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1985-11-04 17:56:44 UTC
Depth
11.1 km (6.9 mi), shallow
Epicenter
38.753° 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
±0.30
Depth from
From location
Station coverage gap
155°
Stations used
13

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 6 in the 30 days before it.

After

  1. 1.91 km ENE of Green Valley, California · 14939 days ago · 12 km deep · 97 km away
  2. 2.115 km ESE of Suisun, California · 14936 days ago · 11 km deep · 85 km away
  3. 1.65 km W of Robbins, California · 14934 days ago · 2 km deep · 49 km away
  4. 1.914 km E of Angwin, California · 14933 days ago · 1 km deep · 94 km away
  5. 2.614 km WNW of Kingvale, California · 14932 days ago · 2 km deep · 88 km away
  6. 1.51 km E of Knights Landing, California · 14928 days ago · 1 km deep · 42 km away
  7. 2.111 km SSE of Elmira, California · 14918 days ago · 13 km deep · 78 km away
  8. 2.614 km NNW of Moskowite Corner, California · 14910 days ago · 3 km deep · 93 km away
  9. 2.03 km N of Pittsburg, California · 14896 days ago · 18 km deep · 97 km away
  10. 4.610 km SSE of Sierra City, California · 14888 days ago · 6 km deep · 99 km away
  11. 1.64 km SSE of Rocklin, California · 14885 days ago · 11 km deep · 0 km away

Before

  1. 1.910 km WSW of Arbuckle, California · 14950 days ago · 13 km deep · 86 km away
  2. 1.65 km W of Arbuckle, California · 14950 days ago · 8 km deep · 83 km away
  3. 2.34 km SSE of Nevada City, California · 14957 days ago · 11 km deep · 56 km away
  4. 1.84 km S of Oroville East, California · 14959 days ago · 0 km deep · 83 km away
  5. 1.74 km SE of Palermo, California · 14963 days ago · 6 km deep · 77 km away
  6. 1.86 km SSE of Moskowite Corner, California · 14972 days ago · 5 km deep · 92 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc58374. Read Fri, Oct 2, 2026, 8:38 PM UTC.