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Significant earthquake

This summarises a recorded earthquake only; it is not a warning or a prediction. Follow AFAD and the competent authorities for official statements and guidance.

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4.9

9 km N of Delta, B.C., MX

3 November 2026, 21:27:31 (+03) 2026-11-03 18:27:31 UTC

3 sources: EMSC, USGS, GFZ mw
Did you feel this earthquake?
Magnitude
4.9 mw
Depth
15.6 km
Coordinates
32.4308, -115.1797
Data consistency
91/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
3
Last 30 days
38

Approximate energy released

≈ 338 t TNT

1.41e+12 J

Approximated with the Gutenberg–Richter relation (log E = 1.5 M + 4.8); depends on magnitude type. Gutenberg & Richter (1956).

Did you feel this earthquake?

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Community reports

Based on voluntary reports from users; not an instrumental measurement or official intensity. For official information follow AFAD and Kandilli Observatory announcements.

Impact information reported by sources

  • USGS Earthquake Hazards Program Tsunami flag: No Maximum intensity (MMI): 5,1 Felt reports: 283 PAGER: green ShakeMap

These values are automatic products of the respective agency, not an assessment by this platform. For tsunami warnings follow the Kandilli Observatory Regional Earthquake-Tsunami Monitoring Center and AFAD.

Nearby places

No records.

Nearby faults (50 km)

No mapped fault within 50 km.

Last year, within 100 km

40 earthquakes

By magnitude

  • M0 0
  • M1 4
  • M2 27
  • M3 8
  • M4 1
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 5
  • 10–20 km 34
  • 20–40 km 1
  • 40–70 km 0
  • 70–150 km 0
  • 150+ km 0

Largest previous earthquakes within 100 km

Largest earthquakes in the platform catalogue and entries from historical catalogues (with citation).

Comparison with past records

…

No earlier earthquakes are recorded in this area.

  • Source:

Where does this earthquake come from?

Source comparison

Sources report different values.
Agency Magnitude Depth Time (UTC) Difference from master Original record
EMSC-CSEM
BAJA CALIFORNIA, MEXICO
 4.8 mw 10.5 km 18:27:33.870 Δt 2.68 sn · 3.74 km · ΔM -0.1 Original record
USGS Earthquake Hazards Program Displayed
9 km N of Delta, B.C., MX
 4.9 mw 15.6 km 18:27:31.190 Δt 0 sn · 0 km · ΔM 0 Original record
GFZ GEOFON
California-Baja California Border Region
 5.0 mb 10.0 km 18:27:36.020 Δt 4.83 sn · 20.43 km · ΔM +0.1 Original record

This value summarises agreement between sources; it is not a measure of scientific accuracy. Euro-Mediterranean Seismological Centre (EMSC-CSEM) — CC BY 4.0 U.S. Geological Survey (USGS) Earthquake Hazards Program — Public domain (U.S. Government) GEOFON Program, GFZ Helmholtz Centre for Geosciences — CC BY 4.0

Revision history

  1. 06.11.2026 11:25:18 · EMSC · update

    magnitude: 4.9 → 4.8

  2. 05.11.2026 10:29:49 · EMSC · update

    magnitude: 4.8 → 4.9

  3. 04.11.2026 10:32:37 · EMSC · update

    time: 2026-11-03T18:27:30.954+00:00 → 2026-11-03T18:27:33.870+00:00

  4. 03.11.2026 22:49:01 · USGS · update

    depth: 15.78 → 15.59 latitude: 32.43067 → 32.43083 longitude: -115.18017 → -115.17967 magnitude: 4.6 → 4.9 magnitude type: mlr → mw

  5. 03.11.2026 22:49:01 · SISTEM · recompute

    depth: 15.78 → 15.59 latitude: 32.43067 → 32.43083 longitude: -115.18017 → -115.17967 magnitude: 4.6 → 4.9 magnitude type: mlr → mw

  6. 03.11.2026 22:40:47 · USGS · update

    depth: 15.77 → 15.78 latitude: 32.44 → 32.43067 longitude: -115.17983 → -115.18017 magnitude: 4.7 → 4.6 time: 2026-11-03T18:27:31.240+00:00 → 2026-11-03T18:27:31.190+00:00 location: 10 km N of Delta, B.C., MX → 9 km N of Delta, B.C., MX

  7. 03.11.2026 22:40:47 · SISTEM · recompute

    depth: 15.77 → 15.78 latitude: 32.44 → 32.43067 longitude: -115.17983 → -115.18017 magnitude: 4.7 → 4.6 time: 2026-11-03T18:27:31.240Z → 2026-11-03 18:27:31.190+00:00

  8. 03.11.2026 21:54:51 · GFZ · update

    latitude: 32.419 → 32.61 longitude: -115.282 → -115.129 magnitude: 4.9 → 5 time: 2026-11-03T18:27:34.810+00:00 → 2026-11-03T18:27:36.020+00:00

  9. 03.11.2026 21:40:55 · SISTEM · recompute

    source count: 2 → 3 confirming sources: usgs,gfz → emsc,usgs,gfz

  10. 03.11.2026 21:40:30 · SISTEM · recompute

    source count: 1 → 2 confirming sources: usgs → usgs,gfz

  11. 03.11.2026 21:31:36 · USGS · update

    review status: automatic → reviewed

  12. 03.11.2026 21:31:36 · SISTEM · recompute

    review status: automatic → reviewed

  13. 03.11.2026 21:30:32 · USGS · update

    depth: 9 → 15.77 latitude: 32.4183 → 32.44 longitude: -115.1802 → -115.17983 magnitude: 5.4 → 4.7 time: 2026-11-03T18:27:32.000+00:00 → 2026-11-03T18:27:31.240+00:00 location: 1 km NE of Ejido Nuevo León, Mexico → 10 km N of Delta, B.C., MX magnitude type: mw → mlr

  14. 03.11.2026 21:30:32 · SISTEM · recompute

    depth: 9 → 15.77 latitude: 32.4183 → 32.44 longitude: -115.1802 → -115.17983 magnitude: 5.4 → 4.7 time: 2026-11-03T18:27:32.000Z → 2026-11-03 18:27:31.240+00:00 magnitude type: mw → mlr

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