4.0
Earthquake Details: 50 km NNW of San Antonio, Puerto Rico
Aug 30, 2026, 05:47:03
A magnitude 4.0 earthquake occurred near 50 km NNW of San Antonio, Puerto Rico on Aug 30, 2026 at 05:47:03. The seismic event was recorded at a depth of 53 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth53 km
Significance241
Latitude18.9116
Longitude-67.2885
Event IDpr2026242001
Magnitude4.0
Updated:Aug 30, 2026, 12:15:38 UTC
External Resources
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Time & depth
- Local time
- Aug 30, 2026, 01:47:03 AST
- UTC
- Aug 30, 2026, 05:47:03 UTC
53 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M3.380 km N of San Juan, Puerto RicoBeforeM3.1Dominican RepublicBeforeM3.474 km NE of Cruz Bay, U.S. Virgin IslandsBeforeM3.147 km NW of San Antonio, Puerto RicoBeforeM3.912 km NW of La Romana, Dominican RepublicBeforeM4.09 km N of Guaymate, Dominican RepublicBeforeM3.436 km WSW of Stella, Puerto RicoBeforeM3.340 km NW of Rincón, Puerto RicoBeforeM3.2Dominican RepublicBeforeM4.248 km NNW of San Antonio, Puerto RicoBeforeM3.875 km NE of Cruz Bay, U.S. Virgin IslandsAfterM3.354 km N of Charlotte Amalie, 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: Aug 30, 2026, 12:15 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.