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M3.3 Depth: 19.0 km

M3.3 Earthquake near 4 km WSW of Las Marías, Puerto Rico (United States)

UTC time: 2025-09-17 10:09:17 UTC Local time: —

About this earthquake

On September 17, 2025 at 10:09 UTC, a magnitude M3.3 earthquake occurred near 4 km WSW of Las Marías, Puerto Rico (United States). With a focal depth of about 19 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are often felt but rarely cause damage.

The event was recorded by USGS. United States: 166 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Details

Magnitude
M3.3
Depth
19.0 km
UTC time
2025-09-17 10:09:17 UTC
Local time
—
Country
United States
City
Puerto Rico
Source
usgs
Coordinates
18.22900, -67.03280
Temperature
29.6°C

Map

Depth profile

Depth profile Depth: 19 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 19 km
Shallow
19 km
19 km — deeper 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: 408 km ·Stratovolcano ·Elevation: 887 m ·Last eruption: 1640 ·Netherlands
  • Quill, The
    Distance: 439 km ·Stratovolcano ·Elevation: 601 m ·Last eruption: 250 ·Netherlands
  • Liamuiga
    Distance: 458 km ·Stratovolcano ·Elevation: 1'156 m ·Last eruption: 160 ·Saint Kitts and Nevis
  • Nevis Peak
    Distance: 487 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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