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M0.6 earthquake 25 km SW of La Quinta, California, United States

A magnitude 0.6 earthquake struck 25 km SW of La Quinta, California, United States at 12:30 local time (19:30 UTC) on 23 Sept 2026, at a depth of 12 km, according to USGS.

Data: USGS · updated 2026-09-23 19:44 UTC · reviewed

Magnitude
0.6micro
local magnitude (Richter) (ml)
Depth
11.6 km
Status
Reviewed
Origin time
2026-09-23 19:30:43 UTC
Local: 23 Sept 2026, 12:30:43 (America/Los Angeles)
Epicentre
33.525° N, 116.531° 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
La QuintaCalifornia, United States · pop. 40,47625 kmINot felt
Palm DesertCalifornia, United States · pop. 51,86926 kmINot felt
Cathedral CityCalifornia, United States · pop. 53,82629 kmINot felt
Palm SpringsCalifornia, United States · pop. 47,37134 kmINot felt
RiversideCalifornia, United States · pop. 317,26193 kmINot felt
San DiegoCalifornia, United States · pop. 1,404,452107 kmINot felt
Chula VistaCalifornia, United States · pop. 265,757111 kmINot felt
IrvineCalifornia, United States · pop. 256,927120 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 ml11.6 km33.52° N, 116.53° 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 133 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 12 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 3.6× the energy of M0.6, and its waves are about 2.3× taller on a seismogram. Energy: 477 g of TNT vs 133 g of TNT.

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

Aftershocks and nearby activity

74 later earthquakes within 30 km; the largest was M2.3 1 day ago. 33 in the 7 days before. Aftershock rates usually fall off roughly in proportion to 1/time.

Aftershocks

Mainshock M0.6

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

Aftershocks
Time after mainshock (hours)MagnitudeDepth (km)
0.200.67
1.160.313
2.150.512
5.750.714
7.560.612
9.040.411
10.290.312
11.200.613
15.000.712
16.440.412
19.640.96
20.560.313
22.900.79
29.170.312
30.270.811
33.751.112
34.630.412
41.701.114
42.460.66
42.700.616
43.540.613
46.800.312
47.800.313
50.260.512
51.891.15
53.910.411
57.600.514
59.450.95
60.010.315
60.321.112
61.430.315
61.430.015
61.430.615
61.470.414
62.230.37
62.630.412
62.770.06
63.280.212
65.83-0.06
70.280.210
71.350.46
75.450.612
79.981.614
79.981.620
79.982.314
80.001.213
81.490.412
81.560.512
83.70-0.06
84.530.718
85.670.814
88.180.26
89.250.93
89.710.910
91.110.513
95.201.513
99.690.56
100.370.86
103.201.712
103.240.913
103.861.211
103.901.114
104.900.213
107.660.62
112.570.710
113.530.411
114.921.117
117.221.213
117.600.611
117.600.313
117.730.716
119.370.710
119.370.411
124.650.412
  1. 2.326 km SW of La Quinta, California, United States09-27 03:29
  2. 1.723 km SSE of Valle Vista, California, United States09-28 02:42
  3. 1.626 km SW of La Quinta, California, United States09-27 03:29
  4. 1.623 km SSW of La Quinta, California, United States09-27 03:29
  5. 1.525 km SW of La Quinta, California, United States09-27 18:42
  6. 1.225 km SW of La Quinta, California, United States09-27 03:30
  7. 1.225 km WSW of Oasis, California, United States09-28 03:22
  8. 1.225 km SW of La Quinta, California, United States09-28 16:43
  9. 1.122 km SSE of Valle Vista, California, United States09-25 05:15
  10. 1.116 km SE of Valle Vista, California, United States09-25 13:12
  11. 1.129 km SE of Valle Vista, California, United States09-25 23:23
  12. 1.116 km SE of Valle Vista, California, United States09-28 03:24
  13. 1.120 km ESE of Valle Vista, California, United States09-28 14:25
  14. 1.122 km SSE of Valle Vista, California, United States09-26 07:50
  15. 0.941 km ENE of Valley Center, California, United States09-26 06:57
  16. 0.928 km SSE of Valle Vista, California, United States09-27 12:45
  17. 0.923 km SSE of Valle Vista, California, United States09-28 02:45
  18. 0.934 km ENE of Valley Center, California, United States09-27 13:13
  19. 0.925 km SW of La Quinta, California, United States09-24 15:09
  20. 0.820 km SE of Valle Vista, California, United States09-27 09:10
  21. 0.826 km WSW of Oasis, California, United States09-25 01:46
  22. 0.829 km SE of Valle Vista, California, United States09-27 23:52
  23. 0.725 km SW of La Quinta, California, United States09-24 01:15
  24. 0.730 km WSW of Oasis, California, United States09-24 18:24
  25. 0.713 km ESE of Valle Vista, California, United States09-28 17:14

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Reports on SeismoAtlas

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Event id ci41337903. First recorded here 28 Sept 2026, 17:32:11 UTC. Solutions: USGS · CI (usgs:ci41337903). Cite as: SeismoAtlas, “M0.6 earthquake 25 km SW of La Quinta, California, United States”, https://seismoatlas.com/earthquake/ci41337903-m0-6-earthquake-25-km-sw-of-la-quinta-california-united-states, data from USGS.

JSON: /api/v1/events/ci41337903. SeismoAtlas is not an official warning service.