California earthquakes

M1.9 earthquake 18 km WSW of Callender, California

A magnitude 1.9 earthquake struck 18 km WSW of Callender, California on Fri, Jan 23, 1981, 10:37 PM PST (06:37 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M2.0 16 km WSW of Callender, California. This one was a foreshock.

Callender 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
1.9 (md), micro
Local time
UTC
1981-01-24 06:37:34 UTC
Depth
0.4 km (0.2 mi), shallow
Epicenter
34.978° N, 120.774° 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 3.0 km horizontally, 5.4 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
314°, poorly surrounded by stations
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: 13 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 2.016 km WSW of Callender, California · 16674 days ago · 3 km deep · 2 km away
  2. 3.48 km NE of Cayucos, California · 16672 days ago · 4 km deep · 59 km away
  3. 3.114 km NNE of Shandon, California · 16663 days ago · 4 km deep · 98 km away
  4. 2.014 km W of Oak Shores, California · 16662 days ago · 5 km deep · 96 km away
  5. 3.316 km NNW of San Simeon, California · 16659 days ago · 3 km deep · 100 km away
  6. 1.512 km NE of San Miguel, California · 16658 days ago · 8 km deep · 95 km away
  7. 1.816 km N of San Simeon, California · 16656 days ago · 6 km deep · 99 km away
  8. 3.22 km SSW of Edna, California · 16648 days ago · 0 km deep · 26 km away
  9. 2.321 km WSW of Los Osos, California · 16640 days ago · 6 km deep · 40 km away
  10. 2.112 km SSW of San Simeon, California · 16634 days ago · 3 km deep · 74 km away
  11. 1.715km WSW of Isla Vista, CA · 16632 days ago · 5 km deep · 98 km away
  12. 2.31km ENE of Avila Beach, CA · 16627 days ago · 5 km deep · 23 km away
  13. 2.66km WSW of Avila Beach, CA · 16627 days ago · -1 km deep · 20 km away

Before

  1. 2.0Central California · 16681 days ago · 6 km deep · 56 km away
  2. 3.115 km NW of San Simeon, California · 16688 days ago · 6 km deep · 97 km away
  3. 1.512 km NE of Shandon, California · 16689 days ago · 5 km deep · 96 km away
  4. 2.19km ESE of San Luis Obispo, CA · 16694 days ago · 5 km deep · 38 km away
  5. 1.615 km NNW of San Simeon, California · 16697 days ago · 4 km deep · 98 km away
  6. 2.349km SW of Lompoc, CA · 16698 days ago · 5 km deep · 66 km away
  7. 2.610km SE of Lompoc, CA · 16698 days ago · 7 km deep · 57 km away
  8. 1.624 km SE of Shandon, California · 16699 days ago · 6 km deep · 84 km away
  9. 1.72 km N of Pismo Beach, California · 16700 days ago · 1 km deep · 24 km away
  10. 1.85km NW of Los Alamos, CA · 16700 days ago · 5 km deep · 47 km away
  11. 1.615 km NW of San Simeon, California · 16708 days ago · 6 km deep · 98 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1059548. Read Tue, Sep 22, 2026, 11:28 PM UTC.