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M1.0 earthquake near Cherry Valley, California, United States

A magnitude 1.0 earthquake struck near Cherry Valley, California, United States at 06:02 local time (13:02 UTC) on 31 Oct 2026, at a depth of 8 km, according to USGS.

revised from M1.3

Data: USGS · updated 2026-11-02 15:32 UTC · reviewed

Magnitude
1.0micro
local magnitude (Richter) (ml)
revised from 1.3
Depth
8.3 km
Status
Reviewed
Origin time
2026-10-31 13:02:01 UTC
Local: 31 Oct 2026, 06:02:01 (America/Los Angeles)
Epicentre
33.964° N, 116.963° W

Circles show this event and others within 30 km from 7 days before to 30 days after. Lines: plate boundaries and GEM active faults. Open on the live map

Nearby places

Distance and estimated shaking at nearby places
PlaceDistanceEst. shaking
Cherry ValleyCalifornia, United States · pop. 6,3622 kmINot felt
BeaumontCalifornia, United States · pop. 43,8114 kmINot felt
BanningCalifornia, United States · pop. 30,9459 kmINot felt
YucaipaCalifornia, United States · pop. 53,32810 kmINot felt
San JacintoCalifornia, United States · pop. 46,95120 kmINot felt
RiversideCalifornia, United States · pop. 317,26140 kmINot felt
IrvineCalifornia, United States · pop. 256,92786 kmINot felt
Santa AnaCalifornia, United States · pop. 310,22787 kmINot felt

Shaking is an estimate from the intensity prediction equation of Allen, Wald & Worden (2012), not an observation. Local ground and buildings can change it by a level or more.

Every agency's solution

Agencies locate earthquakes with their own stations and methods, so their numbers differ. We match reports of the same event by time, distance and magnitude and show them side by side. The headline uses USGS · CI, which has been reviewed by an analyst.

AgencyMagnitudeDepthEpicentreTime offsetStatus
USGS · CIheadlineSouthern California Seismic Network via U.S. Geological Survey1.0 mlwas 1.38.3 km33.96° N, 116.96° W–Reviewed · 2 revisions

How big was it?

Usually not felt. Recorded by nearby seismometers; thousands occur worldwide every day.

It released roughly the energy of 548 g of TNT. Magnitude is logarithmic: each whole step means about 32 times more energy and 10 times larger waves on a seismogram. Depth matters too: at 8 km this was a shallow earthquake, which is felt more strongly at the surface than a deeper one of the same size.

M1.0 releases about 1.1× the energy of M1.0, and its waves are about 1.1× taller on a seismogram. Energy: 548 g of TNT vs 477 g of TNT.

Each square is the energy of one M1.0. Energy from log₁₀E = 1.5M + 4.8.

Aftershocks and nearby activity

42 later earthquakes within 30 km; the largest was M2.1 12 days ago. 79 in the 7 days before. Aftershock rates usually fall off roughly in proportion to 1/time.

Aftershocks

Mainshock M1.0

42 later earthquakes nearby. Aftershock rates typically fall off roughly as 1/time (Omori's law).

Aftershocks
Time after mainshock (hours)MagnitudeDepth (km)
4.632.16
11.681.117
12.591.04
13.850.65
21.990.316
22.930.75
37.770.89
45.010.69
47.791.713
56.781.113
65.522.014
65.630.612
78.091.915
78.711.514
89.420.413
89.420.916
89.780.713
89.830.714
89.830.616
95.750.817
114.290.716
116.830.714
121.010.99
135.290.514
138.180.617
139.221.04
152.761.316
160.011.513
161.981.017
162.801.016
164.341.16
190.240.520
202.460.917
205.860.717
225.771.417
226.871.55
236.411.18
237.220.99
247.381.115
279.630.917
281.330.414
297.531.313
  1. 2.1Near Loma Linda, California, United States10-31 17:40
  2. 2.07 km WSW of Calimesa, California, United States11-03 06:33
  3. 1.917 km ENE of Banning, California, United States11-03 19:07
  4. 1.76 km ENE of San Jacinto, California, United States11-02 12:49
  5. 1.56 km NNE of Cherry Valley, California, United States11-09 23:54
  6. 1.54 km ESE of Cherry Valley, California, United States11-03 19:44
  7. 1.5Near Loma Linda, California, United States11-07 05:02
  8. 1.4Near Beaumont, California, United States11-09 22:48
  9. 1.36 km SSW of Redlands, California, United States11-06 21:47
  10. 1.318 km NE of Banning, California, United States11-12 22:33
  11. 1.1Near Loma Linda, California, United States11-07 09:22
  12. 1.1Near Cherry Valley, California, United States11-10 09:26
  13. 1.14 km NNE of Banning, California, United States11-01 00:42
  14. 1.118 km ENE of Banning, California, United States11-10 20:25
  15. 1.13 km NNW of Cherry Valley, California, United States11-02 21:48
  16. 1.04 km SW of Redlands, California, United States11-06 08:15
  17. 1.0Near Loma Linda, California, United States11-01 01:37
  18. 1.0Near Loma Linda, California, United States11-07 07:50
  19. 1.0Near Loma Linda, California, United States11-07 07:00
  20. 0.99 km NE of Nuevo, California, United States11-08 23:29
  21. 0.9Near Cherry Valley, California, United States11-05 14:02
  22. 0.9Near Beaumont, California, United States11-04 06:27
  23. 0.9Near Cherry Valley, California, United States11-10 10:14
  24. 0.95 km E of Cherry Valley, California, United States11-12 04:39
  25. 0.811 km NE of Banning, California, United States11-02 02:48

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Reports on SeismoAtlas

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Event id ci41570376. First recorded here 31 Oct 2026, 13:05:00 UTC. Solutions: USGS · CI (usgs:ci41570376). Cite as: SeismoAtlas, “M1.0 earthquake near Cherry Valley, California, United States”, https://seismoatlas.com/earthquake/ci41570376-m1-0-earthquake-near-cherry-valley-california-united-states, data from USGS.

JSON: /api/v1/events/ci41570376. SeismoAtlas is not an official warning service.