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M1.4 earthquake 27 km S of Oasis, California, United States

A magnitude 1.4 earthquake struck 27 km S of Oasis, California, United States at 19:53 local time (02:53 UTC) on 30 Oct 2026, at a depth of 10 km, according to USGS.

revised from M1.5

Data: USGS · updated 2026-11-02 15:59 UTC · reviewed

Magnitude
1.4micro
local magnitude (Richter) (ml)
revised from 1.5
Depth
10.5 km
Status
Reviewed
Origin time
2026-10-31 02:53:08 UTC
Local: 30 Oct 2026, 19:53:08 (America/Los Angeles)
Epicentre
33.226° N, 116.080° 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
OasisCalifornia, United States · pop. 6,89027 kmINot felt
MeccaCalifornia, United States · pop. 8,57738 kmINot felt
CoachellaCalifornia, United States · pop. 44,63551 kmINot felt
La QuintaCalifornia, United States · pop. 40,47653 kmINot felt
IndioCalifornia, United States · pop. 87,53356 kmINot felt
BrawleyCalifornia, United States · pop. 25,89758 kmINot felt
MexicaliBaja California, Mexico · pop. 1,032,68689 kmINot felt
Chula VistaCalifornia, United States · pop. 265,757114 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 Survey1.4 mlwas 1.510.5 km33.23° N, 116.08° 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 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 10 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 3.3× the energy of M1.0, and its waves are about 2.2× 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

25 later earthquakes within 30 km; the largest was M1.9 12 days ago. 23 in the 7 days before. Aftershock rates usually fall off roughly in proportion to 1/time.

Aftershocks

Mainshock M1.4

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

Aftershocks
Time after mainshock (hours)MagnitudeDepth (km)
1.130.811
2.350.98
6.861.97
8.840.29
17.310.519
24.290.69
40.581.17
69.440.112
74.750.910
91.010.713
91.221.09
91.231.010
115.560.713
128.331.23
129.271.62
131.901.310
144.441.111
157.560.914
169.760.710
219.080.711
241.831.212
270.911.56
270.920.85
284.500.910
305.570.89
  1. 1.945 km E of San Diego Country Estates, California, United States10-31 09:44
  2. 1.637 km WNW of Brawley, California, United States11-05 12:09
  3. 1.526 km S of Oasis, California, United States11-11 09:47
  4. 1.318 km SW of Oasis, California, United States11-05 14:47
  5. 1.229 km SW of Oasis, California, United States11-10 04:42
  6. 1.237 km WNW of Brawley, California, United States11-05 11:13
  7. 1.130 km S of Oasis, California, United States11-01 19:27
  8. 1.128 km SSW of Oasis, California, United States11-06 03:19
  9. 1.028 km SSE of Oasis, California, United States11-03 22:06
  10. 1.027 km SSE of Oasis, California, United States11-03 22:07
  11. 0.944 km S of Oasis, California, United States10-31 05:14
  12. 0.938 km SSW of Oasis, California, United States11-03 05:38
  13. 0.940 km SW of Oasis, California, United States11-06 16:26
  14. 0.930 km SW of Oasis, California, United States11-11 23:23
  15. 0.825 km S of Oasis, California, United States11-11 09:48
  16. 0.823 km SW of Oasis, California, United States10-31 04:01
  17. 0.844 km S of Oasis, California, United States11-12 20:27
  18. 0.719 km SW of Oasis, California, United States11-07 04:38
  19. 0.729 km WSW of Oasis, California, United States11-03 21:53
  20. 0.719 km SW of Oasis, California, United States11-09 05:57
  21. 0.726 km WSW of Oasis, California, United States11-04 22:26
  22. 0.632 km SSE of Oasis, California, United States11-01 03:10
  23. 0.545 km W of Brawley, California, United States10-31 20:11
  24. 0.229 km WSW of Oasis, California, United States10-31 11:43
  25. 0.113 km WSW of Oasis, California, United States11-03 00:19

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Reports on SeismoAtlas

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Event id ci41570136. First recorded here 31 Oct 2026, 02:56:35 UTC. Solutions: USGS · CI (usgs:ci41570136). Cite as: SeismoAtlas, “M1.4 earthquake 27 km S of Oasis, California, United States”, https://seismoatlas.com/earthquake/ci41570136-m1-4-earthquake-27-km-s-of-oasis-california-united-states, data from USGS.

JSON: /api/v1/events/ci41570136. SeismoAtlas is not an official warning service.