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M1.8 Depth: 13.5 km

M1.8 Earthquake near Guayanilla, Puerto Rico (United States)

UTC time: 2026-01-31 17:21:28 UTC Local time: —

About this earthquake

On January 31, 2026 at 17:21 UTC, a magnitude M1.8 earthquake occurred near Guayanilla, Puerto Rico (United States). With a focal depth of about 13 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: over the past 24 hours, QuakeMap24 logged 148 earthquakes, the strongest at M3.6.

Details

Magnitude
M1.8
Depth
13.5 km
UTC time
2026-01-31 17:21:28 UTC
Local time
—
Country
United States
State
Puerto Rico
City
Guayanilla
County
Guayanilla
Source
usgs
Coordinates
18.00133, -66.76533
Temperature
27.5°C

Map

Depth profile

Depth profile Depth: 13.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 13.5 km
Shallow
13.5 km
13.5 km — close to the regional average (15.9 km)
Regional average: 15.9 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: 377 km ·Stratovolcano ·Elevation: 887 m ·Last eruption: 1640 ·Netherlands
  • Quill, The
    Distance: 407 km ·Stratovolcano ·Elevation: 601 m ·Last eruption: 250 ·Netherlands
  • Liamuiga
    Distance: 426 km ·Stratovolcano ·Elevation: 1'156 m ·Last eruption: 160 ·Saint Kitts and Nevis
  • Nevis Peak
    Distance: 454 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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