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M1.9 Depth: 23.2 km

M1.9 Earthquake near 2 km SE of San Germán, Puerto Rico (United States)

UTC time: 2025-08-11 21:40:56 UTC Local time: —

About this earthquake

On August 11, 2025 at 21:40 UTC, a magnitude M1.9 earthquake occurred near 2 km SE of San Germán, Puerto Rico (United States). The hypocenter lay relatively close to the surface at around 23 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 177 earthquakes, the strongest at M4.1.

Details

Magnitude
M1.9
Depth
23.2 km
UTC time
2025-08-11 21:40:56 UTC
Local time
—
Country
United States
City
Puerto Rico
Source
usgs
Coordinates
18.06883, -67.02500
Temperature
28.2°C

Map

Depth profile

Depth profile Depth: 23.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 23.2 km
Shallow
23.2 km
23.2 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: 405 km ·Stratovolcano ·Elevation: 887 m ·Last eruption: 1640 ·Netherlands
  • Quill, The
    Distance: 435 km ·Stratovolcano ·Elevation: 601 m ·Last eruption: 250 ·Netherlands
  • Liamuiga
    Distance: 454 km ·Stratovolcano ·Elevation: 1'156 m ·Last eruption: 160 ·Saint Kitts and Nevis
  • Nevis Peak
    Distance: 482 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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