3.3
Earthquake Details: 54 km from Pinotepa Nacional, Oaxaca, Mexico
8/18/2026, 9:34:15 PM
A magnitude 3.3 earthquake occurred near 54 km from Pinotepa Nacional, Oaxaca, Mexico on 8/18/2026 at 9:34:15 PM. The seismic event was recorded at a depth of -48.1 km. No tsunami warning was issued.
No Tsunami WarningStatus: reviewedType: earthquake
Regional Seismicity
Technical Details
Depth-48.1 km
Significance0
Latitude16.6790
Longitude-97.6920
Event IDemsc:20260818_0000855
Magnitude3.3
Updated:8/19/2026, 2:01:24 AM
External Resources
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Time & depth
- Local time
- 8/18/2026, 3:34:15 PM CST
- UTC
- 8/18/2026, 9:34:15 PM UTC
-48.1 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M4.2Offshore Chiapas, MexicoBeforeM4.2Offshore Guerrero, MexicoBeforeM4.1Offshore Guerrero, MexicoBeforeM4.2off the coast of Chiapas, MexicoBeforeM4.0Offshore Oaxaca, MexicoBeforeM4.0Veracruz, MexicoBeforeM4.0Guerrero, MexicoBeforeM4.0Offshore Chiapas, MexicoBeforeM4.0Offshore Chiapas, MexicoAfterM4.0off the coast of Chiapas, MexicoAfterM4.0Offshore Guerrero, MexicoAfterM4.628 km NE of Niños Héroes, MexicoAfter
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: Aug 19, 2026, 02:01 AM 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.