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M0.6 earthquake near Cherry Valley, California, United States

A magnitude 0.6 earthquake struck near Cherry Valley, California, United States at 21:48 local time (04:48 UTC) on 23 Sept 2026, at a depth of 10 km, according to USGS.

Data: USGS · updated 2026-09-24 16:20 UTC · reviewed

Magnitude
0.6micro
local magnitude (Richter) (ml)
Depth
10 km
Status
Reviewed
Origin time
2026-09-24 04:48:22 UTC
Local: 23 Sept 2026, 21:48:22 (America/Los Angeles)
Epicentre
33.995° N, 116.977° 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. 6,3623 kmINot felt
YucaipaCalifornia, United States · pop. 53,3287 kmINot felt
BeaumontCalifornia, United States · pop. 43,8117 kmINot felt
BanningCalifornia, United States · pop. 30,94512 kmINot felt
RedlandsCalifornia, United States · pop. 71,03520 kmINot felt
RiversideCalifornia, United States · pop. 317,26139 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 Survey0.6 ml10 km34.00° N, 116.98° W–Reviewed

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How big was it?

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

It released roughly the energy of 108 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 10 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 4.4× the energy of M0.6, and its waves are about 2.7× taller on a seismogram. Energy: 477 g of TNT vs 108 g of TNT.

Each square is the energy of one M0.6. Energy from log₁₀E = 1.5M + 4.8.

Aftershocks and nearby activity

24 later earthquakes within 30 km; the largest was M1.5 17 h ago. 11 in the 7 days before. Aftershock rates usually fall off roughly in proportion to 1/time.

Aftershocks

Mainshock M0.6

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

Aftershocks
Time after mainshock (hours)MagnitudeDepth (km)
7.010.915
11.711.116
12.711.115
24.541.213
30.840.914
30.870.714
41.050.711
42.850.813
47.830.816
55.541.013
70.051.29
76.970.816
79.950.93
82.170.811
82.951.011
88.851.218
88.861.118
89.900.72
90.920.816
97.010.815
97.020.914
99.490.812
103.331.514
111.511.115
  1. 1.5Near Loma Linda, California, United States09-28 12:07
  2. 1.24 km NE of Banning, California, United States09-27 02:51
  3. 1.27 km NE of Banning, California, United States09-27 21:39
  4. 1.28 km S of Beaumont, California, United States09-25 05:20
  5. 1.17 km NE of Banning, California, United States09-27 21:40
  6. 1.16 km S of Redlands, California, United States09-28 20:19
  7. 1.1Near Calimesa, California, United States09-24 16:30
  8. 1.16 km S of Redlands, California, United States09-24 17:30
  9. 1.05 km WNW of Calimesa, California, United States09-26 12:20
  10. 1.06 km S of Loma Linda, California, United States09-27 15:45
  11. 0.99 km NE of Cherry Valley, California, United States09-27 12:45
  12. 0.94 km NW of Cherry Valley, California, United States09-28 05:49
  13. 0.97 km S of Redlands, California, United States09-25 11:38
  14. 0.95 km WNW of Calimesa, California, United States09-24 11:49
  15. 0.8Near Loma Linda, California, United States09-25 23:39
  16. 0.89 km WSW of Beaumont, California, United States09-26 04:38
  17. 0.84 km NW of Cherry Valley, California, United States09-28 05:48
  18. 0.814 km ENE of Banning, California, United States09-27 09:46
  19. 0.8Near Loma Linda, California, United States09-27 23:43
  20. 0.812 km NNE of Banning, California, United States09-28 08:17
  21. 0.86 km S of Loma Linda, California, United States09-27 14:58
  22. 0.76 km NE of Moreno Valley, California, United States09-25 21:51
  23. 0.77 km S of Redlands, California, United States09-25 11:40
  24. 0.77 km WSW of Big Bear Lake, California, United States09-27 22:42

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Reports on SeismoAtlas

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Event id ci41338239. First recorded here 28 Sept 2026, 17:32:11 UTC. Solutions: USGS · CI (usgs:ci41338239). Cite as: SeismoAtlas, “M0.6 earthquake near Cherry Valley, California, United States”, https://seismoatlas.com/earthquake/ci41338239-m0-6-earthquake-near-cherry-valley-california-united-states, data from USGS.

JSON: /api/v1/events/ci41338239. SeismoAtlas is not an official warning service.