4.8
Earthquake details: 5 km SW of Guánica, Puerto Rico
Sep 18, 2026, 13:19:35
- Depth
- 7 km
- Felt reports
- 86
Source: USGSUpdated: Sep 25, 2026, 07:30 PM UTC
A magnitude 4.8 earthquake occurred on Sep 18, 2026 at 13:19:35. Epicenter: 5 km SW of Guánica, Puerto Rico. Reported depth: 7 km.
Status: Reviewed
Tsunami information
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Time & depth
- Local time
- Sep 18, 2026, 09:19:35 AST
- UTC
- Sep 18, 2026, 13:19:35 UTC
7 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
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Nearby major cities
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- USGSml 4.8
pr2026261000
- Depth:
- 7 km
- Status:
- Reviewed
- Time:
- Updated:
- Sep 25, 2026, 07:30 PM UTC
Technical Details
Depth7 km
Significance405
Latitude17.9391
Longitude-66.9455
Event IDpr2026261000
Magnitude4.8
Updated:Sep 25, 2026, 19:30:23 UTC
Regional Seismicity
External Resources
Related tools
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 25, 2026, 19:30 UTC.
Data sources:
- USGS — Credit: U.S. Geological Survey.
- EMSC — Credit: EMSC/CSEM. Event catalogue data are provided under 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.
- GeoNet — We acknowledge the New Zealand GeoNet programme and its sponsors NHC, Earth Sciences NZ, LINZ, NEMA and MBIE for providing earthquake data.
- CENC / Wolfx — CENC earthquake parameters via Wolfx, an independent unofficial relay.
- GFZ / GEOFON — Locations, depths and magnitudes: GFZ/GEOFON using GEVN network data (CC BY 4.0).