4.0
Earthquake Details: 35 km from Salina Cruz, Oaxaca, Mexico
Sep 30, 2026, 08:40:05
A magnitude 4.0 earthquake occurred near 35 km from Salina Cruz, Oaxaca, Mexico on Sep 30, 2026 at 08:40:05. The seismic event was recorded at a depth of -4.7 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth-4.7 km
Significance0
Latitude15.8640
Longitude-95.1980
Event IDemsc:20260930_0000090
Magnitude4.0
Updated:Sep 30, 2026, 09:08:42 UTC
External Resources
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Time & depth
- Local time
- Sep 30, 2026, 02:40:05 CST
- UTC
- Sep 30, 2026, 08:40:05 UTC
-4.7 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M4.0off 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, GuatemalaBeforeM4.0off the coast of Chiapas, MéxicoBeforeM4.1off the coast of Chiapas, MéxicoBeforeM4.4142 km SSW of La Esperanza (El Zapotal), MéxicoBeforeM4.239 km W of Plan de Ayala, MéxicoBeforeM4.1off 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 30, 2026, 09:08 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.