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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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4.1

97 km WSW of Puerto Madero, Mexico

30 October 2026, 19:43:25 (+03) 2026-10-30 16:43:25 UTC

2 sources: EMSC, USGS mb
Magnitude
4.1 mb
Depth
35.0 km
Coordinates
14.3043, -93.2141
Data consistency
90/100

Regional activity (100 km)

Last 24 hours
4
Last 7 days
13
Last 30 days
116

Approximate energy released

≈ 21 t TNT

8.91e+10 J

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

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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

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

138 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 1
  • M3 66
  • M4 70
  • M5 1
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 24
  • 10–20 km 72
  • 20–40 km 16
  • 40–70 km 14
  • 70–150 km 12
  • 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
OFFSHORE CHIAPAS, MEXICO
4.3 m 35.0 km 16:43:25.499 Δt 0 sn · 0 km · ΔM +0.2 Original record
USGS Earthquake Hazards Program Displayed
97 km WSW of Puerto Madero, Mexico
4.1 mb 35.0 km 16:43:25.499 Δt 0 sn · 0 km · ΔM 0 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)

Revision history

  1. 30.10.2026 21:35:48 · SISTEM · recompute

    magnitude: 4.3 → 4.1 source count: 1 → 2 review status: automatic → reviewed magnitude type: m → mb confirming sources: emsc → emsc,usgs preferred source: 3 → 4

  2. 30.10.2026 21:35:47 · EMSC · update

    depth: 9.3 → 35 latitude: 14.534 → 14.3043 longitude: -93.089 → -93.2141 time: 2026-10-30T16:43:27.000+00:00 → 2026-10-30T16:43:25.499+00:00

  3. 30.10.2026 21:35:47 · SISTEM · recompute

    depth: 9.3 → 35 latitude: 14.534 → 14.3043 longitude: -93.089 → -93.2141 time: 2026-10-30T16:43:27.000Z → 2026-10-30 16:43:25.499+00:00

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