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SeismoAtlas

M1.4 earthquake 3 km ESE of Nuevo, California, United States

A magnitude 1.4 earthquake struck 3 km ESE of Nuevo, California, United States at 00:41 local time (07:41 UTC) on 20 Oct 2026, at a depth of 11 km, according to USGS. The solution is preliminary and may be revised.

Data: USGS · updated 2026-10-20 07:45 UTC · automatic solution

Magnitude
1.4micro
local magnitude (Richter) (ml)
Depth
11.4 km
Status
Automatic
Origin time
2026-10-20 07:41:46 UTC
Local: 20 Oct 2026, 00:41:46 (America/Los Angeles)
Epicentre
33.794° N, 117.115° 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
NuevoCalifornia, United States · pop. 6,4473 kmINot felt
HomelandCalifornia, United States · pop. 5,9696 kmINot felt
MenifeeCalifornia, United States · pop. 87,1748 kmINot felt
PerrisCalifornia, United States · pop. 74,97111 kmINot felt
HemetCalifornia, United States · pop. 83,86114 kmINot felt
San JacintoCalifornia, United States · pop. 46,95114 kmINot felt
RiversideCalifornia, United States · pop. 317,26132 kmINot felt
IrvineCalifornia, United States · pop. 256,92767 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.

AgencyMagnitudeDepthEpicentreTime offsetStatus
USGS · CIheadlineSouthern California Seismic Network via U.S. Geological Survey1.4 ml11.4 km33.79° N, 117.11° W–Automatic

How big was it?

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

It released roughly the energy of 2 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 11 km this was a shallow earthquake, which is felt more strongly at the surface than a deeper one of the same size.

M1.4 releases about 3.8× the energy of M1.0, and its waves are about 2.5× taller on a seismogram. Energy: 2 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

126 later earthquakes within 30 km; the largest was M2.2 13 days ago. 21 in the 7 days before. Aftershock rates usually fall off roughly in proportion to 1/time.

Aftershocks

Mainshock M1.4

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

Aftershocks
Time after mainshock (hours)MagnitudeDepth (km)
11.661.014
20.661.117
31.360.913
33.641.015
35.551.12
47.560.94
48.021.04
48.431.34
49.890.95
50.160.95
50.831.213
51.630.713
60.441.10
61.881.113
69.261.84
69.280.96
70.141.05
70.141.55
70.950.715
72.711.34
91.400.715
97.691.16
99.281.04
101.570.815
101.640.713
101.670.99
108.160.514
114.081.613
120.410.811
120.750.76
124.820.611
138.751.217
147.430.512
149.990.68
167.151.012
200.721.14
200.951.26
201.370.512
201.751.34
201.810.85
203.411.15
203.961.15
204.001.85
204.121.14
206.720.85
207.031.07
207.041.34
207.252.05
207.731.33
210.660.94
210.871.14
211.490.84
213.020.83
229.520.94
234.382.24
234.510.94
234.910.516
235.562.26
235.571.37
235.581.04
235.610.94
235.990.94
235.991.23
237.241.114
237.281.36
237.281.87
238.020.65
238.280.73
238.380.68
239.340.54
239.680.96
239.681.06
239.690.74
240.670.84
240.911.24
241.060.93
241.280.75
241.290.75
241.320.54
241.720.96
241.731.65
241.781.06
242.880.85
244.610.74
244.621.14
252.440.97
255.561.04
264.560.613
268.840.76
269.151.25
269.180.95
269.341.08
273.972.16
281.931.04
283.190.65
292.270.75
317.131.713
326.121.113
334.852.014
334.970.612
335.940.711
348.051.514
358.750.413
358.760.916
359.120.713
359.170.714
365.090.817
386.170.714
390.350.99
404.620.514
407.520.617
408.561.04
422.101.316
429.351.513
431.321.017
432.141.016
433.681.16
438.741.113
471.800.917
495.101.417
496.211.55
505.741.18
506.550.99
548.970.917
550.670.414
561.631.19
  1. 2.2Near Loma Linda, California, United States10-30 02:04
  2. 2.2Near Loma Linda, California, United States10-30 03:15
  3. 2.1Near Loma Linda, California, United States10-31 17:40
  4. 2.07 km WSW of Calimesa, California, United States11-03 06:33
  5. 2.0Near Loma Linda, California, United States10-28 22:56
  6. 1.8Near Loma Linda, California, United States10-28 19:41
  7. 1.8Near Loma Linda, California, United States10-30 04:58
  8. 1.85 km ESE of Loma Linda, California, United States10-23 04:57
  9. 1.76 km ENE of San Jacinto, California, United States11-02 12:49
  10. 1.6Near Loma Linda, California, United States10-30 09:25
  11. 1.65 km SE of Mentone, California, United States10-25 01:46
  12. 1.56 km NNE of Cherry Valley, California, United States11-09 23:54
  13. 1.54 km ESE of Cherry Valley, California, United States11-03 19:44
  14. 1.5Near Loma Linda, California, United States11-07 05:02
  15. 1.55 km ESE of Loma Linda, California, United States10-23 05:50
  16. 1.4Near Beaumont, California, United States11-09 22:48
  17. 1.34 km SW of Redlands, California, United States10-28 23:25
  18. 1.35 km SW of Redlands, California, United States10-28 22:44
  19. 1.35 km SW of Redlands, California, United States10-23 08:24
  20. 1.36 km SSW of Redlands, California, United States11-06 21:47
  21. 1.3Near Loma Linda, California, United States10-30 03:16
  22. 1.3Near Loma Linda, California, United States10-30 04:58
  23. 1.34 km SW of Redlands, California, United States10-28 17:26
  24. 1.35 km ESE of Loma Linda, California, United States10-22 08:07
  25. 1.2Near Loma Linda, California, United States10-30 03:41

Did you feel it?

Reports from people help show where shaking was strong. They are anonymous and shown here in aggregate.

Reports close 14 days after an earthquake.

Reports on SeismoAtlas

No reports yet.

Event id ci41349607. First recorded here 20 Oct 2026, 07:46:32 UTC. Solutions: USGS · CI (usgs:ci41349607). Cite as: SeismoAtlas, “M1.4 earthquake 3 km ESE of Nuevo, California, United States”, https://seismoatlas.com/earthquake/ci41349607-m1-4-earthquake-3-km-ese-of-nuevo-california-united-states, data from USGS.

JSON: /api/v1/events/ci41349607. SeismoAtlas is not an official warning service.