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M1.2 earthquake 32 km E of San Diego Country Estates, California, United States

A magnitude 1.2 earthquake struck 32 km E of San Diego Country Estates, California, United States at 03:10 local time (11:10 UTC) on 2 Nov 2026, at a depth of 8 km, according to USGS.

Data: USGS · updated 2026-11-02 14:21 UTC · reviewed

Magnitude
1.2micro
local magnitude (Richter) (ml)
Depth
8.2 km
Status
Reviewed
Origin time
2026-11-02 11:10:52 UTC
Local: 2 Nov 2026, 03:10:52 (America/Los Angeles)
Epicentre
33.026° N, 116.439° 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. 10,10932 kmINot felt
AlpineCalifornia, United States · pop. 14,23637 kmINot felt
RamonaCalifornia, United States · pop. 20,29240 kmINot felt
LakesideCalifornia, United States · pop. 20,64848 kmINot felt
Winter GardensCalifornia, United States · pop. 20,63151 kmINot felt
SanteeCalifornia, United States · pop. 57,78754 kmINot felt
Chula VistaCalifornia, United States · pop. 265,75774 kmINot felt
San DiegoCalifornia, United States · pop. 1,404,45275 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 Survey1.2 mlwas 1.28.2 km33.03° N, 116.44° 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 858 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 8 km this was a shallow earthquake, which is felt more strongly at the surface than a deeper one of the same size.

M1.2 releases about 1.8× the energy of M1.0, and its waves are about 1.5× taller on a seismogram. Energy: 858 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

23 later earthquakes within 30 km; the largest was M2.4 8 days ago. 28 in the 7 days before. Aftershock rates usually fall off roughly in proportion to 1/time.

Aftershocks

Mainshock M1.2

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

Aftershocks
Time after mainshock (hours)MagnitudeDepth (km)
7.480.89
7.721.19
9.100.89
18.460.910
20.631.411
24.040.214
46.902.414
101.260.914
115.930.913
121.871.114
135.521.39
140.130.910
140.640.89
142.121.09
156.421.010
171.600.65
182.350.411
198.671.011
204.190.69
227.581.42
235.401.09
235.840.712
236.550.617
  1. 2.418 km E of Alpine, California, United States11-04 10:04
  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. 1.330 km E of San Diego Country Estates, California, United States11-08 02:42
  5. 1.132 km E of San Diego Country Estates, California, United States11-07 13:03
  6. 1.134 km E of San Diego Country Estates, California, United States11-02 18:54
  7. 1.017 km ENE of Alpine, California, United States11-12 06:34
  8. 1.030 km E of San Diego Country Estates, California, United States11-08 09:17
  9. 1.052 km NE of Tecate, Baja California, Mexico11-08 23:35
  10. 1.036 km ENE of San Diego Country Estates, California, United States11-10 17:50
  11. 0.934 km E of San Diego Country Estates, California, United States11-07 07:06
  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. 0.920 km ENE of San Diego Country Estates, California, United States11-08 07:18
  15. 0.830 km E of San Diego Country Estates, California, United States11-08 07:49
  16. 0.834 km E of San Diego Country Estates, California, United States11-02 18:39
  17. 0.835 km E of San Diego Country Estates, California, United States11-02 20:16
  18. 0.726 km ENE of San Diego Country Estates, California, United States11-12 07:01
  19. 0.617 km ESE of Alpine, California, United States11-10 23:22
  20. 0.637 km SW of Oasis, California, United States11-09 14:47
  21. 0.624 km NE of San Diego Country Estates, California, United States11-12 07:43
  22. 0.436 km ENE of San Diego Country Estates, California, United States11-10 01:31
  23. 0.239 km E of San Diego Country Estates, California, United States11-03 11:13

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Reports on SeismoAtlas

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Event id ci41571088. First recorded here 2 Nov 2026, 11:14:00 UTC. Solutions: USGS · CI (usgs:ci41571088). Cite as: SeismoAtlas, “M1.2 earthquake 32 km E of San Diego Country Estates, California, United States”, https://seismoatlas.com/earthquake/ci41571088-m1-2-earthquake-32-km-e-of-san-diego-country-estates-california-united-states, data from USGS.

JSON: /api/v1/events/ci41571088. SeismoAtlas is not an official warning service.