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M1.7 Depth: 8.5 km

M1.7 Earthquake near 1 km WNW of Guayanilla, Puerto Rico (United States)

UTC time: 2025-12-27 14:23:57 UTC Local time: —

About this earthquake

On December 27, 2025 at 14:23 UTC, a magnitude M1.7 earthquake occurred near 1 km WNW of Guayanilla, Puerto Rico (United States). With a focal depth of about 8 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 178 earthquakes were recorded in the past 24 hours, the strongest reaching M3.6.

Details

Magnitude
M1.7
Depth
8.5 km
UTC time
2025-12-27 14:23:57 UTC
Local time
—
Country
United States
City
Puerto Rico
Source
usgs
Coordinates
18.02400, -66.80817
Temperature
28.9°C

Map

Depth profile

Depth profile Depth: 8.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 8.5 km
Shallow
8.5 km
8.5 km — shallower 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: 381 km ·Stratovolcano ·Elevation: 887 m ·Last eruption: 1640 ·Netherlands
  • Quill, The
    Distance: 412 km ·Stratovolcano ·Elevation: 601 m ·Last eruption: 250 ·Netherlands
  • Liamuiga
    Distance: 431 km ·Stratovolcano ·Elevation: 1'156 m ·Last eruption: 160 ·Saint Kitts and Nevis
  • Nevis Peak
    Distance: 459 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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