3.4
Earthquake Details: 35 km from Chilpancingo, Guerrero, Mexico
Sep 21, 2026, 07:28:49
A magnitude 3.4 earthquake occurred near 35 km from Chilpancingo, Guerrero, Mexico on Sep 21, 2026 at 07:28:49. The seismic event was recorded at a depth of -52.3 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth-52.3 km
Significance0
Latitude17.3990
Longitude-99.7930
Event IDemsc:20260921_0000245
Magnitude3.4
Updated:Sep 21, 2026, 14:01:34 UTC
External Resources
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Time & depth
- Local time
- Sep 21, 2026, 01:28:49 CST
- UTC
- Sep 21, 2026, 07:28:49 UTC
-52.3 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M4.0Guerrero, MéxicoBeforeM3.8Guerrero, MéxicoBeforeM3.7Oaxaca, MéxicoBeforeM3.7Offshore Guerrero, MéxicoAfterM3.8Oaxaca, MéxicoAfterM4.0Guerrero, MéxicoAfterM3.8Guerrero, MéxicoAfterM3.8Oaxaca, MéxicoAfterM4.3Guerrero, MéxicoAfterM4.0Oaxaca, MéxicoAfterM3.9Guerrero, MéxicoAfterM3.9Oaxaca, 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, 14:01 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.