4.0
Earthquake Details: 18 km from Huixtla, Chiapas, Mexico
Sep 28, 2026, 08:36:40
A magnitude 4.0 earthquake occurred near 18 km from Huixtla, Chiapas, Mexico on Sep 28, 2026 at 08:36:40. The seismic event was recorded at a depth of -99.4 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth-99.4 km
Significance0
Latitude15.2440
Longitude-92.5970
Event IDemsc:20260928_0000116
Magnitude4.0
Updated:Sep 28, 2026, 08:57:20 UTC
External Resources
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Time & depth
- Local time
- Sep 28, 2026, 02:36:40 CST
- UTC
- Sep 28, 2026, 08:36:40 UTC
-99.4 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M4.1Offshore Oaxaca, MéxicoBeforeM4.1Oaxaca, MéxicoBeforeM4.2Offshore Oaxaca, MéxicoBeforeM4.2120 km WSW of Puerto Madero, MéxicoBeforeM4.3Offshore Chiapas, MéxicoBeforeM4.1Chiapas, MéxicoBeforeM4.1off the coast of Chiapas, MéxicoAfterM4.2Oaxaca, MéxicoAfterM4.0Offshore Oaxaca, MéxicoAfterM4.1off the coast of Chiapas, MéxicoAfterM4.595 km SSW of Ocós, GuatemalaAfterM4.1off the coast of El SalvadorAfter
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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 28, 2026, 08:57 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.