California earthquakes

M2.1 earthquake 27km NE of Arvin, CA

A magnitude 2.1 earthquake struck 27km NE of Arvin, CA on Thu, Feb 1, 1973, 12:27 AM PST (08:27 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M2.8 20km NW of Tehachapi, CA. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.1 (mh), micro
Local time
UTC
1973-02-01 08:27:22 UTC
Depth
0.9 km (0.6 mi), shallow
Epicenter
35.359° N, 118.595° 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 1.0 km horizontally, 2.6 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
143°
Stations used
4

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 16 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 1.712km S of Neenach, CA · 19588 days ago · 6 km deep · 76 km away
  2. 2.820km NW of Tehachapi, CA · 19580 days ago · 6 km deep · 10 km away
  3. 2.715km NW of Coso Junction, CA · 19580 days ago · 6 km deep · 98 km away
  4. 2.616km NW of Kernville, CA · 19562 days ago · 11 km deep · 55 km away
  5. 3.117km N of Kernville, CA · 19562 days ago · 6 km deep · 63 km away
  6. 2.46km NNW of Kernville, CA · 19562 days ago · 0 km deep · 52 km away
  7. 3.817km NW of Tehachapi, CA · 19561 days ago · 6 km deep · 13 km away
  8. 1.73km SSW of Castaic, CA · 19556 days ago · 6 km deep · 99 km away
  9. 2.922km S of Bodfish, CA · 19555 days ago · 0 km deep · 13 km away
  10. 1.76km WSW of Agua Dulce, CA · 19549 days ago · 4 km deep · 100 km away
  11. 2.216km WNW of California City, CA · 19547 days ago · 6 km deep · 45 km away
  12. 1.72km W of Agua Dulce, CA · 19543 days ago · 4 km deep · 98 km away
  13. 1.72km NNE of Agua Dulce, CA · 19542 days ago · 6 km deep · 97 km away
  14. 2.516km SW of Tehachapi, CA · 19536 days ago · 0 km deep · 35 km away
  15. 2.813km SW of Tehachapi, CA · 19534 days ago · 7 km deep · 36 km away
  16. 2.423km NNW of Tehachapi, CA · 19531 days ago · 6 km deep · 6 km away

Before

  1. 1.77km W of Agua Dulce, CA · 19596 days ago · 7 km deep · 97 km away
  2. 1.76km W of Agua Dulce, CA · 19596 days ago · 6 km deep · 98 km away
  3. 1.76km W of Agua Dulce, CA · 19596 days ago · 7 km deep · 99 km away
  4. 1.76km W of Agua Dulce, CA · 19596 days ago · 6 km deep · 98 km away
  5. 1.78km WSW of Agua Dulce, CA · 19596 days ago · 11 km deep · 100 km away
  6. 1.76km W of Agua Dulce, CA · 19596 days ago · 8 km deep · 98 km away
  7. 1.72km NNW of Valencia, CA · 19596 days ago · 6 km deep · 98 km away
  8. 1.78km WNW of Agua Dulce, CA · 19604 days ago · 6 km deep · 94 km away
  9. 2.823km SSW of Little Lake, CA · 19609 days ago · 6 km deep · 67 km away
  10. 2.724km WNW of Inyokern, CA · 19612 days ago · 6 km deep · 60 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3320535. Read Tue, Sep 22, 2026, 12:19 PM UTC.