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M2.9 Depth: 9.1 km

M2.9 Earthquake near 18 km S of Guánica, Puerto Rico (United States)

UTC time: 2025-09-28 05:41:35 UTC Local time: —

About this earthquake

A magnitude M2.9 earthquake was recorded near 18 km S of Guánica, Puerto Rico (United States) on September 28, 2025 at 05:41 UTC. With a focal depth of about 9 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 168 earthquakes, the strongest at M3.7.

Details

Magnitude
M2.9
Depth
9.1 km
UTC time
2025-09-28 05:41:35 UTC
Local time
—
Country
United States
City
Puerto Rico
Source
usgs
Coordinates
17.80567, -66.87850
Temperature
25.4°C

Map

Depth profile

Depth profile Depth: 9.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 9.1 km
Shallow
9.1 km
9.1 km — shallower than the regional average (15.4 km)
Regional average: 15.4 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: 387 km ·Stratovolcano ·Elevation: 887 m ·Last eruption: 1640 ·Netherlands
  • Quill, The
    Distance: 417 km ·Stratovolcano ·Elevation: 601 m ·Last eruption: 250 ·Netherlands
  • Liamuiga
    Distance: 435 km ·Stratovolcano ·Elevation: 1'156 m ·Last eruption: 160 ·Saint Kitts and Nevis
  • Nevis Peak
    Distance: 462 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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