3.9
Earthquake Details: off the coast of Chiapas, México
Sep 28, 2026, 21:42:48
A magnitude 3.9 earthquake occurred near off the coast of Chiapas, México on Sep 28, 2026 at 21:42:48. The seismic event was recorded at a depth of -15.4 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth-15.4 km
Significance0
Latitude14.3440
Longitude-93.8940
Event IDemsc:20260928_0000318
Magnitude3.9
Updated:Sep 29, 2026, 02:02:10 UTC
External Resources
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Time & depth
- Local time
- Sep 28, 2026, 15:42:48 CST
- UTC
- Sep 28, 2026, 21:42:48 UTC
-15.4 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M4.1Oaxaca, MéxicoBeforeM4.2Offshore Oaxaca, MéxicoBeforeM4.2120 km WSW of Puerto Madero, MéxicoBeforeM4.3Offshore Chiapas, MéxicoBeforeM4.1Chiapas, MéxicoBeforeM4.0off the coast of GuatemalaBeforeM4.0Chiapas, MéxicoBeforeM4.1off the coast of Chiapas, MéxicoBeforeM4.2Oaxaca, MéxicoBeforeM4.0Offshore Oaxaca, MéxicoBeforeM4.1off the coast of Chiapas, MéxicoBeforeM4.595 km SSW of Ocós, GuatemalaAfter
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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 29, 2026, 02:02 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.