3.5
Earthquake Details: Offshore Chiapas, México
Oct 4, 2026, 20:39:31
A magnitude 3.5 earthquake occurred near Offshore Chiapas, México on Oct 4, 2026 at 20:39:31. The seismic event was recorded at a depth of -40.2 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth-40.2 km
Significance0
Latitude15.0030
Longitude-93.4900
Event IDemsc:20261004_0000389
Magnitude3.5
Updated:Oct 5, 2026, 02:01:14 UTC
External Resources
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Time & depth
- Local time
- Oct 4, 2026, 14:39:31 CST
- UTC
- Oct 4, 2026, 20:39:31 UTC
-40.2 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M4.2Oaxaca, MéxicoBeforeM4.29 km SSW of Yepocapa, GuatemalaBeforeM4.1off the coast of Chiapas, MéxicoBeforeM4.1Offshore Oaxaca, MéxicoBeforeM4.2Offshore Chiapas, MéxicoBeforeM4.4off the coast of El SalvadorBeforeM4.2Offshore El SalvadorBeforeM4.5121 km SW of Puerto Madero, MéxicoBeforeM4.1off the coast of Chiapas, MéxicoBeforeM4.2off the coast of Chiapas, MéxicoBeforeM4.378 km S of Acajutla, El SalvadorAfterM4.1Chiapas, MéxicoAfter
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Earthquake information is automatically aggregated from the official seismic agencies listed below. Preliminary measurements can change as agencies review an event; use local emergency authorities for safety decisions. Latest successful data update: Oct 5, 2026, 02:01 UTC.
Data sources:
- USGS — Credit: U.S. Geological Survey.
- EMSC — Credit: EMSC/CSEM. Event catalogue data are provided under CC BY 4.0. CC BY 4.0
- JMA — Source: Japan Meteorological Agency (JMA).
- Geoscience Australia — Based on Australian Earthquakes data by Geoscience Australia. © Commonwealth of Australia. Licensed under CC BY 4.0; the section 5 disclaimer applies. CC BY 4.0
- GeoNet — We acknowledge the New Zealand GeoNet programme and its sponsors NHC, Earth Sciences NZ, LINZ, NEMA and MBIE for providing earthquake data.