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M2.1 Depth: 22.1 km

M2.1 Earthquake near 1 km SSE of Las Marías, Puerto Rico (United States)

UTC time: 2025-12-28 00:24:44 UTC Local time: —

About this earthquake

On December 28, 2025 at 00:24 UTC, a magnitude M2.1 earthquake occurred near 1 km SSE of Las Marías, Puerto Rico (United States). The hypocenter lay relatively close to the surface at around 22 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 171 earthquakes were recorded in the past 24 hours, the strongest reaching M4.3.

Details

Magnitude
M2.1
Depth
22.1 km
UTC time
2025-12-28 00:24:44 UTC
Local time
—
Country
United States
City
Puerto Rico
Source
usgs
Coordinates
18.23950, -66.98883
Temperature
20.6°C

Map

Depth profile

Depth profile Depth: 22.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 22.1 km
Shallow
22.1 km
22.1 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

  • Saba
    Distance: 403 km ·Stratovolcano ·Elevation: 887 m ·Last eruption: 1640 ·Netherlands
  • Quill, The
    Distance: 435 km ·Stratovolcano ·Elevation: 601 m ·Last eruption: 250 ·Netherlands
  • Liamuiga
    Distance: 454 km ·Stratovolcano ·Elevation: 1'156 m ·Last eruption: 160 ·Saint Kitts and Nevis
  • Nevis Peak
    Distance: 482 km ·Stratovolcano ·Elevation: 985 m ·Saint Kitts and Nevis

Historic earthquake map · United States

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Country statistics · United States

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

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