3.9
Earthquake Details: 19 km NW of Rincón, Puerto Rico
Oct 3, 2026, 10:35:38
A magnitude 3.9 earthquake occurred near 19 km NW of Rincón, Puerto Rico on Oct 3, 2026 at 10:35:38. The seismic event was recorded at a depth of 6 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth6 km
Significance231
Latitude18.4461
Longitude-67.3978
Event IDpr2026276000
Magnitude3.9
Updated:Oct 3, 2026, 15:34:17 UTC
External Resources
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Time & depth
- Local time
- Oct 3, 2026, 06:35:38 AST
- UTC
- Oct 3, 2026, 10:35:38 UTC
6 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M3.6127 km NNE of Vieques, Puerto RicoBeforeM3.14 km NNE of Animas, Puerto RicoBeforeM3.599 km NNE of Cruz Bay, U.S. Virgin IslandsBeforeM3.166 km NE of Punta Cana, Dominican RepublicBeforeM3.365 km NE of Punta Cana, Dominican RepublicBeforeM3.1Haiti regionBeforeM3.42 km NW of Corozal, Puerto RicoBeforeM3.929 km WNW of Rincón, Puerto RicoBeforeM3.6Dominican RepublicAfterM3.2Dominican Republic regionAfterM3.740 km ENE of Samaná, Dominican RepublicAfterM3.366 km E of Cruz Bay, U.S. Virgin IslandsAfter
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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: Oct 3, 2026, 15:34 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.