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M1.9 Depth: 14.7 km

M1.9 Earthquake near 1 km N of Guayanilla, Puerto Rico (United States)

UTC time: 2025-12-20 13:27:15 UTC Local time: —

About this earthquake

On December 20, 2025 at 13:27 UTC, a magnitude M1.9 earthquake occurred near 1 km N of Guayanilla, Puerto Rico (United States). The hypocenter lay relatively close to the surface at around 15 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: 223 earthquakes were recorded in the past 24 hours, the strongest reaching M6.0.

Details

Magnitude
M1.9
Depth
14.7 km
UTC time
2025-12-20 13:27:15 UTC
Local time
—
Country
United States
City
Puerto Rico
Source
usgs
Coordinates
18.03483, -66.79283
Temperature
29.9°C

Map

Depth profile

Depth profile Depth: 14.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 14.7 km
Shallow
14.7 km
14.7 km — close to 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: 380 km ·Stratovolcano ·Elevation: 887 m ·Last eruption: 1640 ·Netherlands
  • Quill, The
    Distance: 411 km ·Stratovolcano ·Elevation: 601 m ·Last eruption: 250 ·Netherlands
  • Liamuiga
    Distance: 429 km ·Stratovolcano ·Elevation: 1'156 m ·Last eruption: 160 ·Saint Kitts and Nevis
  • Nevis Peak
    Distance: 457 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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