4.0
Earthquake Details: off the coast of Chiapas, México
Sep 21, 2026, 03:09:40
A magnitude 4.0 earthquake occurred near off the coast of Chiapas, México on Sep 21, 2026 at 03:09:40. The seismic event was recorded at a depth of -18 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth-18 km
Significance0
Latitude14.4180
Longitude-94.3250
Event IDemsc:20260921_0000066
Magnitude4.0
Updated:Sep 21, 2026, 03:36:16 UTC
External Resources
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Time & depth
- Local time
- Sep 20, 2026, 21:09:40 CST
- UTC
- Sep 21, 2026, 03:09:40 UTC
-18 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M4.2Offshore Oaxaca, MéxicoBeforeM4.2off the coast of Chiapas, MéxicoBeforeM4.0Offshore GuatemalaBeforeM4.0Veracruz, MéxicoBeforeM4.215 km SW of El Ramal (Porvenir), MéxicoAfterM4.4103 km SW of Brisas Barra de Suchiate, MéxicoAfterM4.3off the coast of Chiapas, MéxicoAfterM4.1off the coast of Chiapas, MéxicoAfterM4.2off the coast of Chiapas, MéxicoAfterM4.77 km WNW of La Gomera, GuatemalaAfterM4.1off the coast of Chiapas, MéxicoAfterM4.3off the coast of Chiapas, 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: Sep 21, 2026, 03:36 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.