3.4
Earthquake Details: 15 km from Tonalá, Chiapas, Mexico
Sep 27, 2026, 10:43:21
A magnitude 3.4 earthquake occurred near 15 km from Tonalá, Chiapas, Mexico on Sep 27, 2026 at 10:43:21. The seismic event was recorded at a depth of -116.9 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth-116.9 km
Significance0
Latitude16.1950
Longitude-93.8380
Event IDemsc:20260927_0000163
Magnitude3.4
Updated:Sep 27, 2026, 14:08:22 UTC
External Resources
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Time & depth
- Local time
- Sep 27, 2026, 04:43:21 CST
- UTC
- Sep 27, 2026, 10:43:21 UTC
-116.9 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M4.1off the coast of Chiapas, MéxicoBeforeM4.5106 km SW of Puerto Madero, MéxicoBeforeM4.1Offshore Oaxaca, MéxicoBeforeM4.1Oaxaca, MéxicoBeforeM4.2Offshore Oaxaca, MéxicoBeforeM4.2120 km WSW of Puerto Madero, MéxicoBeforeM4.3Offshore Chiapas, MéxicoBeforeM4.1Chiapas, MéxicoBeforeM4.0off the coast of Chiapas, MéxicoBeforeM4.0Oaxaca, MéxicoAfterM4.1off the coast of Chiapas, MéxicoAfterM4.2Oaxaca, 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 27, 2026, 14:08 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.