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M1.9 earthquake 9 km NNE of Delta, Baja California, Mexico

A magnitude 1.9 earthquake struck 9 km NNE of Delta, Baja California, Mexico at 09:30 local time (17:30 UTC) on 2 Nov 2026, at a depth of 15 km, according to USGS.

revised from M2.1

Data: USGS · updated 2026-11-02 21:15 UTC · reviewed

Magnitude
1.9micro
local magnitude (Richter) (ml)
revised from 2.1
Depth
15.1 km
Status
Reviewed
Origin time
2026-11-02 17:30:25 UTC
Local: 2 Nov 2026, 09:30:25 (America/Tijuana)
Epicentre
32.425° N, 115.159° 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
DeltaBaja California, Mexico · pop. 5,1809 kmINot felt
Ciudad Guadalupe VictoriaBaja California, Mexico · pop. 17,11916 kmINot felt
MexicaliBaja California, Mexico · pop. 1,032,68636 kmINot felt
San LuisArizona, United States · pop. 31,52036 kmINot felt
San Luis Río ColoradoSonora, Mexico · pop. 176,68537 kmINot felt
CalexicoCalifornia, United States · pop. 40,05343 kmINot felt
EnsenadaBaja California, Mexico · pop. 443,807149 kmINot felt
TijuanaBaja California, Mexico · pop. 1,922,523173 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 Survey1.9 mlwas 2.015.1 km32.42° N, 115.16° 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 11 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 15 km this was a shallow earthquake, which is felt more strongly at the surface than a deeper one of the same size.

M1.9 releases about 24× the energy of M1.0, and its waves are about 8.3× taller on a seismogram. Energy: 11 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

33 later earthquakes within 30 km; the largest was M4.9 9 days ago. 6 in the 7 days before. Aftershock rates usually fall off roughly in proportion to 1/time.

Aftershocks

Mainshock M1.9

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

Aftershocks
Time after mainshock (hours)MagnitudeDepth (km)
1.521.920
1.592.315
3.961.617
8.042.819
8.581.816
9.381.715
9.543.110
9.543.320
10.841.415
10.851.716
12.181.814
14.631.712
17.631.612
24.783.516
24.954.916
25.202.216
25.202.212
25.281.813
25.803.016
25.861.919
26.082.116
26.092.515
26.311.315
26.322.012
26.772.214
26.792.012
28.352.115
29.072.120
31.341.611
32.701.813
77.162.311
211.881.820
212.482.019
  1. 4.99 km NNE of Delta, Baja California, Mexico11-03 18:27
  2. 3.59 km NNE of Delta, Baja California, Mexico11-03 18:17
  3. 3.37 km NNE of Delta, Baja California, Mexico11-03 03:02
  4. 3.111 km NNE of Delta, Baja California, Mexico11-03 03:02
  5. 3.08 km NNE of Delta, Baja California, Mexico11-03 19:18
  6. 2.88 km NNE of Delta, Baja California, Mexico11-03 01:33
  7. 2.58 km NNE of Delta, Baja California, Mexico11-03 19:35
  8. 2.311 km W of Doctor Alberto Oviedo Mota, Baja California, Mexico11-05 22:39
  9. 2.39 km NNE of Delta, Baja California, Mexico11-02 19:05
  10. 2.29 km NNE of Delta, Baja California, Mexico11-03 18:42
  11. 2.28 km NE of Delta, Baja California, Mexico11-03 18:42
  12. 2.210 km NNE of Delta, Baja California, Mexico11-03 20:16
  13. 2.110 km NNE of Delta, Baja California, Mexico11-03 22:34
  14. 2.17 km NNE of Delta, Baja California, Mexico11-03 19:35
  15. 2.17 km N of Delta, Baja California, Mexico11-03 21:51
  16. 2.011 km E of Puebla, Baja California, Mexico11-11 13:58
  17. 2.09 km NNE of Delta, Baja California, Mexico11-03 19:49
  18. 2.010 km NNE of Delta, Baja California, Mexico11-03 20:17
  19. 1.99 km NNE of Delta, Baja California, Mexico11-02 19:01
  20. 1.910 km NNE of Delta, Baja California, Mexico11-03 19:21
  21. 1.89 km NE of Delta, Baja California, Mexico11-03 18:47
  22. 1.89 km NNE of Delta, Baja California, Mexico11-03 02:05
  23. 1.811 km E of Puebla, Baja California, Mexico11-11 13:23
  24. 1.811 km NNE of Delta, Baja California, Mexico11-04 02:12
  25. 1.810 km NNE of Delta, Baja California, Mexico11-03 05:40

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Reports on SeismoAtlas

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Event id ci41571464. First recorded here 2 Nov 2026, 17:33:17 UTC. Solutions: USGS · CI (usgs:ci41571464). Cite as: SeismoAtlas, “M1.9 earthquake 9 km NNE of Delta, Baja California, Mexico”, https://seismoatlas.com/earthquake/ci41571464-m1-9-earthquake-9-km-nne-of-delta-baja-california-mexico, data from USGS.

JSON: /api/v1/events/ci41571464. SeismoAtlas is not an official warning service.