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M1.1 earthquake 39 km ENE of San Diego Country Estates, California, United States

A magnitude 1.1 earthquake struck 39 km ENE of San Diego Country Estates, California, United States at 07:25 local time (14:25 UTC) on 29 Oct 2026, at a depth of 13 km, according to USGS.

revised from M1.3

Data: USGS · updated 2026-10-29 15:07 UTC · reviewed

Magnitude
1.1micro
local magnitude (Richter) (ml)
revised from 1.3
Depth
13.3 km
Status
Reviewed
Origin time
2026-10-29 14:25:17 UTC
Local: 29 Oct 2026, 07:25:17 (America/Los Angeles)
Epicentre
33.180° N, 116.415° 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
San Diego Country EstatesCalifornia, United States · pop. 10,10939 kmINot felt
OasisCalifornia, United States · pop. 6,89044 kmINot felt
RamonaCalifornia, United States · pop. 20,29245 kmINot felt
La QuintaCalifornia, United States · pop. 40,47654 kmINot felt
LakesideCalifornia, United States · pop. 20,64859 kmINot felt
CoachellaCalifornia, United States · pop. 44,63560 kmINot felt
San DiegoCalifornia, United States · pop. 1,404,45286 kmINot felt
Chula VistaCalifornia, United States · pop. 265,75786 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 Survey1.1 mlwas 1.113.3 km33.18° N, 116.42° 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 747 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 13 km this was a shallow earthquake, which is felt more strongly at the surface than a deeper one of the same size.

M1.1 releases about 1.6× the energy of M1.0, and its waves are about 1.3× taller on a seismogram. Energy: 747 g 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

51 later earthquakes within 30 km; the largest was M1.9 12 days ago. 36 in the 7 days before. Aftershock rates usually fall off roughly in proportion to 1/time.

Aftershocks

Mainshock M1.1

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

Aftershocks
Time after mainshock (hours)MagnitudeDepth (km)
3.421.16
5.730.26
8.250.97
15.170.412
15.480.67
30.940.83
37.600.811
43.321.97
45.310.29
55.290.812
55.461.110
66.810.717
81.961.112
92.761.28
100.240.89
100.481.19
101.860.89
111.210.910
113.391.411
114.400.515
116.800.214
127.470.713
140.370.89
152.020.713
168.371.310
173.870.512
180.901.111
188.330.411
194.020.914
206.220.710
208.690.913
214.631.114
228.281.39
232.890.910
233.400.89
234.881.09
255.540.711
264.360.65
266.840.914
269.510.813
275.110.411
278.291.212
291.421.011
292.890.18
292.890.411
300.920.212
320.341.42
320.970.910
327.950.412
328.600.712
329.310.617
  1. 1.945 km E of San Diego Country Estates, California, United States10-31 09:44
  2. 1.429 km E of San Diego Country Estates, California, United States11-03 07:48
  3. 1.439 km WSW of Oasis, California, United States11-11 22:45
  4. 1.318 km SW of Oasis, California, United States11-05 14:47
  5. 1.330 km E of San Diego Country Estates, California, United States11-08 02:42
  6. 1.229 km SW of Oasis, California, United States11-10 04:42
  7. 1.232 km E of San Diego Country Estates, California, United States11-02 11:10
  8. 1.139 km ENE of San Diego Country Estates, California, United States10-31 21:52
  9. 1.128 km SSW of Oasis, California, United States11-06 03:19
  10. 1.132 km E of San Diego Country Estates, California, United States11-07 13:03
  11. 1.129 km SSW of La Quinta, California, United States11-02 00:22
  12. 1.146 km E of San Diego Country Estates, California, United States10-29 17:50
  13. 1.134 km E of San Diego Country Estates, California, United States11-02 18:54
  14. 1.030 km E of San Diego Country Estates, California, United States11-08 09:17
  15. 1.036 km ENE of San Diego Country Estates, California, United States11-10 17:50
  16. 0.930 km WSW of Oasis, California, United States11-09 17:15
  17. 0.934 km E of San Diego Country Estates, California, United States11-07 07:06
  18. 0.938 km SSW of Oasis, California, United States11-03 05:38
  19. 0.940 km SW of Oasis, California, United States11-06 16:26
  20. 0.930 km SW of Oasis, California, United States11-11 23:23
  21. 0.929 km ENE of San Diego Country Estates, California, United States10-29 22:40
  22. 0.920 km ENE of San Diego Country Estates, California, United States11-08 07:18
  23. 0.819 km SSW of Oasis, California, United States10-30 21:21
  24. 0.830 km E of San Diego Country Estates, California, United States11-08 07:49
  25. 0.823 km NNE of San Diego Country Estates, California, United States11-04 10:47

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 ci41568856. First recorded here 29 Oct 2026, 14:28:01 UTC. Solutions: USGS · CI (usgs:ci41568856). Cite as: SeismoAtlas, “M1.1 earthquake 39 km ENE of San Diego Country Estates, California, United States”, https://seismoatlas.com/earthquake/ci41568856-m1-1-earthquake-39-km-ene-of-san-diego-country-estates-california-united-states, data from USGS.

JSON: /api/v1/events/ci41568856. SeismoAtlas is not an official warning service.