M1.8 Depth: 23.9 km

M1.8 Earthquake near 1 km WSW of G. L. Garcia, Puerto Rico (United States)

UTC time: 2025-12-18 23:47:33 UTC Local time: —

About this earthquake

On December 18, 2025 at 23:47 UTC, a magnitude M1.8 earthquake occurred near 1 km WSW of G. L. Garcia, Puerto Rico (United States). The hypocenter lay relatively close to the surface at around 24 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 211 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Details

Magnitude

M1.8

Depth

23.9 km

UTC time

2025-12-18 23:47:33 UTC

Local time

—

Country

United States

City

Puerto Rico

Source

usgs

Coordinates

18.11800, -66.11933

Temperature

25.7°C

Map

Depth profile

Shallow

23.9 km

23.9 km — deeper than the regional average (15.7 km)

Regional average: 15.7 km

Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

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Quill, The

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Liamuiga

Distance: 361 km ·Stratovolcano ·Elevation: 1'156 m ·Last eruption: 160 ·Saint Kitts and Nevis
Nevis Peak

Distance: 390 km ·Stratovolcano ·Elevation: 985 m ·Saint Kitts and Nevis
Soufriere Hills

Distance: 446 km ·Stratovolcano ·Elevation: 915 m ·Last eruption: 2013 ·United Kingdom

Historic earthquake map · United States

Open history map

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Country statistics · United States

Country overview

View earthquake KPIs, strongest and latest events, and averages for this country.

Stats (last 24h)

Global (24h)

658

Country (24h)