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M1.6 earthquake 29 km SE of Valle Vista, California, United States

A magnitude 1.6 earthquake struck 29 km SE of Valle Vista, California, United States at 08:41 local time (15:41 UTC) on 26 Oct 2026, at a depth of 5 km, according to USGS.

revised from M1.7

Data: USGS · updated 2026-10-26 20:22 UTC · reviewed

Magnitude
1.6micro
local magnitude (Richter) (ml)
revised from 1.7
Depth
5.2 km
Status
Reviewed
Origin time
2026-10-26 15:41:45 UTC
Local: 26 Oct 2026, 08:41:45 (America/Los Angeles)
Epicentre
33.532° N, 116.714° 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
Valle VistaCalifornia, United States · pop. 14,57829 kmINot felt
East HemetCalifornia, United States · pop. 17,41831 kmINot felt
HemetCalifornia, United States · pop. 83,86134 kmINot felt
Cathedral CityCalifornia, United States · pop. 53,82636 kmINot felt
San JacintoCalifornia, United States · pop. 46,95136 kmINot felt
Palm SpringsCalifornia, United States · pop. 47,37136 kmINot felt
RiversideCalifornia, United States · pop. 317,26179 kmINot felt
San DiegoCalifornia, United States · pop. 1,404,45299 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 Survey1.6 mlwas 1.75.2 km33.53° N, 116.71° 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 5 kg 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 5 km this was a shallow earthquake, which is felt more strongly at the surface than a deeper one of the same size.

M1.6 releases about 9.4× the energy of M1.0, and its waves are about 4.5× taller on a seismogram. Energy: 5 kg 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

195 later earthquakes within 30 km; the largest was M2.6 6 days ago. 99 in the 7 days before. Aftershock rates usually fall off roughly in proportion to 1/time.

Aftershocks

Mainshock M1.6

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

Aftershocks
Time after mainshock (hours)MagnitudeDepth (km)
1.310.313
1.57-0.04
1.620.25
5.861.37
6.891.719
10.562.212
11.47-0.013
11.640.310
16.100.217
18.590.916
19.470.78
19.741.16
21.460.512
26.450.615
41.240.512
42.950.16
49.370.512
50.651.016
65.461.113
65.520.113
65.570.16
66.511.213
66.620.96
69.551.15
72.260.26
72.530.913
72.770.66
72.790.512
73.270.514
73.440.16
75.290.66
76.610.14
81.700.15
82.910.516
83.670.26
83.89-0.06
84.111.011
89.630.614
91.330.516
91.370.414
91.860.16
91.890.76
94.560.46
109.320.515
109.630.26
110.120.918
111.161.47
111.27-0.17
113.060.26
114.030.311
115.290.814
119.810.26
121.690.16
121.70-0.25
121.920.516
125.750.414
126.360.66
126.730.516
128.030.44
131.220.66
132.770.417
134.090.612
138.58-0.26
139.000.313
139.260.57
139.680.55
143.961.86
144.260.56
147.820.26
149.230.87
150.540.26
150.680.616
161.510.76
162.001.211
162.60-0.06
162.600.16
163.730.914
169.820.913
172.270.36
172.531.110
173.041.014
179.570.612
180.321.113
181.150.16
181.940.112
183.770.06
187.350.66
187.360.211
189.530.16
189.790.46
190.520.06
191.140.712
191.680.313
191.760.07
191.770.515
198.72-0.37
199.730.512
209.900.813
212.621.014
213.060.46
215.720.36
216.771.416
218.560.36
222.461.013
222.75-0.26
224.360.814
224.820.813
225.950.712
228.860.16
229.450.510
233.480.57
234.320.36
236.190.54
244.260.85
244.600.512
245.870.76
249.770.36
250.741.06
252.730.66
255.042.67
255.061.17
256.700.16
257.520.27
259.060.413
259.411.37
260.190.37
261.840.26
264.080.66
264.420.35
265.680.712
266.250.47
272.72-0.17
274.240.913
276.080.612
282.641.811
284.130.715
294.330.27
298.220.27
299.190.412
299.670.74
301.110.46
301.120.16
301.680.712
302.070.56
314.070.713
315.821.16
316.930.713
316.931.014
319.170.510
326.900.66
330.420.913
330.630.210
334.001.213
334.910.613
334.910.713
335.690.514
338.421.06
338.500.76
340.220.416
340.240.813
346.130.26
349.000.411
350.520.716
350.520.61
352.370.94
353.520.26
353.840.613
354.290.811
354.810.315
356.260.617
357.540.27
363.580.612
363.730.812
364.980.36
365.361.413
365.410.712
368.340.66
373.920.35
377.260.36
383.940.813
387.350.44
389.470.26
389.890.916
394.061.312
394.061.212
394.390.717
394.480.514
394.970.16
396.840.16
399.841.56
404.930.96
406.060.54
409.290.44
409.790.37
417.790.86
  1. 2.641 km ENE of Valley Center, California, United States11-06 06:44
  2. 2.222 km SSE of Valle Vista, California, United States10-27 02:15
  3. 1.825 km SSW of La Quinta, California, United States11-07 10:20
  4. 1.822 km SW of La Quinta, California, United States11-01 15:39
  5. 1.714 km SE of Valle Vista, California, United States10-26 22:35
  6. 1.541 km ENE of Valley Center, California, United States11-12 07:32
  7. 1.417 km ESE of Valle Vista, California, United States11-04 16:28
  8. 1.422 km SSE of Valle Vista, California, United States11-10 21:03
  9. 1.429 km SE of Valle Vista, California, United States10-31 06:51
  10. 1.329 km SE of Valle Vista, California, United States10-26 21:33
  11. 1.322 km SSE of Valle Vista, California, United States11-12 01:45
  12. 1.341 km ENE of Valley Center, California, United States11-06 11:06
  13. 1.223 km SSE of Valle Vista, California, United States10-29 10:12
  14. 1.218 km ENE of Temecula, California, United States11-02 09:41
  15. 1.225 km SW of La Quinta, California, United States11-09 13:41
  16. 1.222 km SSE of Valle Vista, California, United States11-12 01:45
  17. 1.129 km SE of Valle Vista, California, United States10-27 11:26
  18. 1.130 km SSE of Valle Vista, California, United States11-02 20:13
  19. 1.125 km SW of La Quinta, California, United States11-03 04:01
  20. 1.141 km SW of La Quinta, California, United States11-06 06:45
  21. 1.129 km SE of Valle Vista, California, United States10-29 13:14
  22. 1.122 km SW of La Quinta, California, United States11-08 19:31
  23. 1.123 km SE of Valle Vista, California, United States10-29 09:09
  24. 1.027 km SW of La Quinta, California, United States11-04 22:09
  25. 1.025 km SW of La Quinta, California, United States11-08 20:37

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Event id ci41352895. First recorded here 26 Oct 2026, 15:45:03 UTC. Solutions: USGS · CI (usgs:ci41352895). Cite as: SeismoAtlas, “M1.6 earthquake 29 km SE of Valle Vista, California, United States”, https://seismoatlas.com/earthquake/ci41352895-m1-6-earthquake-29-km-se-of-valle-vista-california-united-states, data from USGS.

JSON: /api/v1/events/ci41352895. SeismoAtlas is not an official warning service.