Disasters · Earthquake

M4.8 · United States

First tracked 27 July 2026 · Last updated 24 July 2026

M4.8

Magnitude

9 km

Depth

107,141

Population exposed

110 thousand in MMI IV

Exposure detail

An M4.8 earthquake struck 49 km north-northwest of San Antonio, Puerto Rico at a depth of 9 km. The event was felt by 225 people across an estimated population exposure of 107,141. No tsunami was generated.

Sources

USGS ↗GDACS ↗

Source: USGS & GDACS · figures reported · Reviewed