California earthquakes

M2.3 earthquake 10km WNW of Anza, CA

A magnitude 2.3 earthquake struck 10km WNW of Anza, CA on Mon, Jan 2, 1933, 8:45 PM GMT-8 (04:45 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.4 3km E of Palomar Observatory, CA. This one was a foreshock.

Anza 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
2.3 (mh), micro
Local time
UTC
1933-01-03 04:45:39 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
33.604° N, 116.768° 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 6.2 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.08
Depth from
Operator assigned
Station coverage gap
348°, poorly surrounded by stations
Stations used
2

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 24 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 2.12km SE of Beaumont, CA · 34230 days ago · 6 km deep · 39 km away
  2. 2.43km E of Palomar Observatory, CA · 34230 days ago · 6 km deep · 29 km away
  3. 2.87km WNW of Ocotillo Wells, CA · 34226 days ago · 6 km deep · 72 km away
  4. 3.52km SW of Salton City, CA · 34225 days ago · 6 km deep · 82 km away
  5. 1.74km NNE of Fontana, CA · 34222 days ago · 6 km deep · 85 km away
  6. 3.08km ESE of Hesperia, CA · 34221 days ago · 6 km deep · 98 km away
  7. 2.511km NNE of Lake Arrowhead, CA · 34218 days ago · 6 km deep · 87 km away
  8. 2.211km NE of Lake Arrowhead, CA · 34217 days ago · 6 km deep · 87 km away
  9. 2.72km ESE of Lake Arrowhead, CA · 34217 days ago · 6 km deep · 80 km away
  10. 2.15km SE of Crestline, CA · 34215 days ago · 6 km deep · 81 km away
  11. 3.412km N of Ocotillo Wells, CA · 34215 days ago · 6 km deep · 71 km away
  12. 3.28km NNW of Idyllwild, CA · 34209 days ago · 6 km deep · 22 km away
  13. 4.12km SSW of Yucca Valley, CA · 34208 days ago · 6 km deep · 63 km away
  14. 2.45km SSW of Beaumont, CA · 34204 days ago · 6 km deep · 38 km away
  15. 2.68km WNW of Anza, CA · 34204 days ago · 6 km deep · 3 km away
  16. 3.114km NNE of Thousand Palms, CA · 34202 days ago · 6 km deep · 54 km away
  17. 2.314km ENE of Anza, CA · 34202 days ago · 6 km deep · 22 km away
  18. 2.814km ENE of Anza, CA · 34202 days ago · 6 km deep · 22 km away
  19. 3.39km SW of Borrego Springs, CA · 34189 days ago · 6 km deep · 53 km away
  20. 2.63km NW of Banning, CA · 34179 days ago · 6 km deep · 40 km away
  21. 2.422km ESE of Anza, CA · 34172 days ago · 6 km deep · 32 km away
  22. 2.527km N of Joshua Tree, CA · 34172 days ago · 6 km deep · 95 km away
  23. 2.36km NNE of Joshua Tree, CA · 34172 days ago · 6 km deep · 79 km away
  24. 2.57km NE of Lake Elsinore, CA · 34171 days ago · 6 km deep · 48 km away

Before

  1. 3.48km SW of Salton City, CA · 34235 days ago · 6 km deep · 79 km away
  2. 2.86km WSW of Oasis, CA · 34238 days ago · 6 km deep · 59 km away
  3. 2.57km WSW of Garnet, CA · 34239 days ago · 6 km deep · 33 km away
  4. 2.42km W of San Jacinto, CA · 34240 days ago · 6 km deep · 28 km away
  5. 3.23km N of Rancho Mirage, CA · 34241 days ago · 6 km deep · 37 km away
  6. 2.520km ENE of Lucerne Valley, CA · 34242 days ago · 6 km deep · 99 km away
  7. 3.317km E of Lucerne Valley, CA · 34242 days ago · 6 km deep · 95 km away
  8. 3.310km SW of Morongo Valley, CA · 34248 days ago · 6 km deep · 43 km away
  9. 2.214km WNW of Camp Pendleton North, CA · 34248 days ago · 6 km deep · 71 km away
  10. 3.015km SE of Coto De Caza, CA · 34255 days ago · 6 km deep · 67 km away
  11. 2.410km W of Good Hope, CA · 34258 days ago · 6 km deep · 58 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3359503. Read Tue, Sep 22, 2026, 10:31 PM UTC.