California earthquakes

M2.8 earthquake 5km N of Perris, CA

A magnitude 2.8 earthquake struck 5km N of Perris, CA on Sat, Oct 5, 1946, 2:58 AM GMT-8 (10:58 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.8 2km NNE of Colton, CA. This one was a foreshock.

Perris 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
2.8 (ml), micro
Local time
UTC
1946-10-05 10:58:33 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
33.826° N, 117.224° 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 1.9 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.23
Depth from
Operator assigned
Station coverage gap
183°, poorly surrounded by stations
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: 17 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 2.65km NNE of Cabazon, CA · 29204 days ago · 6 km deep · 44 km away
  2. 2.82km NNE of Colton, CA · 29198 days ago · 15 km deep · 31 km away
  3. 2.77km NNE of Cabazon, CA · 29195 days ago · 6 km deep · 46 km away
  4. 2.710km SW of Morongo Valley, CA · 29190 days ago · 6 km deep · 55 km away
  5. 2.815km NNW of Borrego Springs, CA · 29188 days ago · 2 km deep · 87 km away
  6. 3.53km SSE of Aguanga, CA · 29184 days ago · 16 km deep · 57 km away
  7. 2.86km SE of Aguanga, CA · 29184 days ago · 16 km deep · 60 km away
  8. 2.84km SSE of Loma Linda, CA · 29183 days ago · 16 km deep · 22 km away
  9. 2.62km W of Running Springs, CA · 29181 days ago · 7 km deep · 44 km away
  10. 2.814km SE of Joshua Tree, CA · 29176 days ago · 6 km deep · 96 km away
  11. 2.64km N of Upland, CA · 29172 days ago · 6 km deep · 52 km away
  12. 2.811km E of Yucaipa, CA · 29171 days ago · 6 km deep · 36 km away
  13. 3.03km NNE of Loma Linda, CA · 29168 days ago · 16 km deep · 28 km away
  14. 2.64km WSW of Bloomington, CA · 29165 days ago · 4 km deep · 33 km away
  15. 2.46km N of Aguanga, CA · 29164 days ago · 3 km deep · 49 km away
  16. 2.94km W of Newport Beach, CA · 29159 days ago · 6 km deep · 73 km away
  17. 3.48km NW of Garnet, CA · 29149 days ago · 6 km deep · 58 km away

Before

  1. 2.614km N of Banning, CA · 29214 days ago · 6 km deep · 42 km away
  2. 4.91km NE of Banning, CA · 29214 days ago · 13 km deep · 35 km away
  3. 3.014km N of Indio, CA · 29216 days ago · 6 km deep · 94 km away
  4. 2.22km W of Lakewood, CA · 29217 days ago · 20 km deep · 86 km away
  5. 2.01km E of Lakewood, CA · 29218 days ago · 7 km deep · 83 km away
  6. 2.22km ENE of Anaheim, CA · 29225 days ago · 6 km deep · 60 km away
  7. 2.719km NNW of Morongo Valley, CA · 29226 days ago · 6 km deep · 70 km away
  8. 2.46km NNE of Rancho Cucamonga, CA · 29231 days ago · 4 km deep · 49 km away
  9. 2.82km NE of Muscoy, CA · 29231 days ago · 6 km deep · 39 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3359596. Read Tue, Sep 22, 2026, 10:51 AM UTC.