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M0.4 earthquake 28 km SW of Cathedral City, California, United States

A magnitude 0.4 earthquake struck 28 km SW of Cathedral City, California, United States at 20:41 local time (04:41 UTC) on 9 Nov 2026, at a depth of 11 km, according to USGS.

Data: USGS · updated 2026-11-10 20:25 UTC · reviewed

Magnitude
0.4micro
local magnitude (Richter) (ml)
Depth
11.2 km
Status
Reviewed
Origin time
2026-11-10 04:41:44 UTC
Local: 9 Nov 2026, 20:41:44 (America/Los Angeles)
Epicentre
33.572° N, 116.648° 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
Cathedral CityCalifornia, United States · pop. 53,82628 kmINot felt
Rancho MirageCalifornia, United States · pop. 18,08329 kmINot felt
Palm DesertCalifornia, United States · pop. 51,86930 kmINot felt
Palm SpringsCalifornia, United States · pop. 47,37130 kmINot felt
La QuintaCalifornia, United States · pop. 40,47633 kmINot felt
RiversideCalifornia, United States · pop. 317,26181 kmINot felt
San DiegoCalifornia, United States · pop. 1,404,452106 kmINot felt
IrvineCalifornia, United States · pop. 256,927109 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 Survey0.4 mlwas 0.511.2 km33.57° N, 116.65° W–Reviewed · 1 revision

How big was it?

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

It released roughly the energy of 69 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 11 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 6.9× the energy of M0.4, and its waves are about 3.6× taller on a seismogram. Energy: 477 g of TNT vs 69 g of TNT.

Each square is the energy of one M0.4. Energy from log₁₀E = 1.5M + 4.8.

Aftershocks and nearby activity

32 later earthquakes within 30 km; the largest was M1.5 15 h ago. 78 in the 7 days before. Aftershock rates usually fall off roughly in proportion to 1/time.

Aftershocks

Mainshock M0.4

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

Aftershocks
Time after mainshock (hours)MagnitudeDepth (km)
1.520.716
1.520.61
3.370.94
4.520.26
4.840.613
5.290.811
5.810.315
7.260.617
8.540.27
14.580.612
14.730.812
15.980.36
16.371.413
16.420.712
19.340.66
24.920.35
28.260.36
34.940.813
38.350.44
40.470.26
40.890.916
45.061.312
45.061.212
45.390.717
45.480.514
45.970.16
47.840.16
50.841.56
55.930.96
57.060.54
60.290.44
60.790.37
  1. 1.541 km ENE of Valley Center, California, United States11-12 07:32
  2. 1.422 km SSE of Valle Vista, California, United States11-10 21:03
  3. 1.322 km SSE of Valle Vista, California, United States11-12 01:45
  4. 1.222 km SSE of Valle Vista, California, United States11-12 01:45
  5. 0.929 km SSE of Valle Vista, California, United States11-10 08:03
  6. 0.929 km SE of Valle Vista, California, United States11-12 12:37
  7. 0.913 km ESE of Valle Vista, California, United States11-11 21:34
  8. 0.832 km SW of La Quinta, California, United States11-10 09:59
  9. 0.822 km SSE of Valle Vista, California, United States11-10 19:25
  10. 0.826 km SW of La Quinta, California, United States11-11 15:38
  11. 0.710 km SE of Valle Vista, California, United States11-10 06:13
  12. 0.722 km SE of Valle Vista, California, United States11-10 21:06
  13. 0.717 km ESE of Valle Vista, California, United States11-12 02:04
  14. 0.629 km SE of Valle Vista, California, United States11-11 00:02
  15. 0.622 km SSE of Valle Vista, California, United States11-10 19:16
  16. 0.614 km SW of Palm Springs, California, United States11-10 06:13
  17. 0.629 km SW of La Quinta, California, United States11-10 09:32
  18. 0.617 km ESE of Valle Vista, California, United States11-10 11:57
  19. 0.526 km SW of La Quinta, California, United States11-12 02:10
  20. 0.539 km SSE of Valle Vista, California, United States11-12 13:45
  21. 0.439 km SSE of Valle Vista, California, United States11-12 16:59
  22. 0.428 km SSE of Valle Vista, California, United States11-11 19:02
  23. 0.330 km SSE of Valle Vista, California, United States11-11 05:36
  24. 0.329 km SE of Valle Vista, California, United States11-10 20:40
  25. 0.329 km SE of Valle Vista, California, United States11-12 17:29

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Reports on SeismoAtlas

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Event id ci41360439. First recorded here 10 Nov 2026, 04:46:04 UTC. Solutions: USGS · CI (usgs:ci41360439). Cite as: SeismoAtlas, “M0.4 earthquake 28 km SW of Cathedral City, California, United States”, https://seismoatlas.com/earthquake/ci41360439-m0-4-earthquake-28-km-sw-of-cathedral-city-california-united-states, data from USGS.

JSON: /api/v1/events/ci41360439. SeismoAtlas is not an official warning service.