4.2
Earthquake Details: 48 km NNW of San Antonio, Puerto Rico
Aug 30, 2026, 05:47:02
A magnitude 4.2 earthquake occurred near 48 km NNW of San Antonio, Puerto Rico on Aug 30, 2026 at 05:47:02. The seismic event was recorded at a depth of 35 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth35 km
Significance271
Latitude18.9034
Longitude-67.2509
Event IDus7000tcwu
Magnitude4.2
Updated:Aug 30, 2026, 06:03:11 UTC
External Resources
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Time & depth
- Local time
- Aug 30, 2026, 01:47:02 AST
- UTC
- Aug 30, 2026, 05:47:02 UTC
35 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 IslandsBeforeM3.912 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 RepublicBeforeM4.050 km NNW of San Antonio, Puerto RicoAfterM3.875 km NE of Cruz Bay, U.S. Virgin IslandsAfterM3.354 km N of Charlotte Amalie, U.S. Virgin IslandsAfterM3.12 km SW of Hato Candal, Puerto RicoAfter
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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, 06:03 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.