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M1.9 Depth: 12.6 km

M1.9 Earthquake near Montalva, Puerto Rico (United States)

UTC time: 2026-08-11 23:40:12 UTC Local time: —

About this earthquake

On August 11, 2026 at 23:40 UTC, a magnitude M1.9 earthquake occurred near Montalva, Puerto Rico (United States). The hypocenter lay relatively close to the surface at around 13 km, increasing how strongly it was felt. 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 195 earthquakes, the strongest at M4.7.

Details

Magnitude
M1.9
Depth
12.6 km
UTC time
2026-08-11 23:40:12 UTC
Local time
—
Country
United States
State
Puerto Rico
City
Montalva
County
Guánica
Source
usgs
Coordinates
17.93600, -66.95383
Temperature
26.7°C

Map

Depth profile

Depth profile Depth: 12.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 12.6 km
Shallow
12.6 km
12.6 km — close to 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: 396 km ·Stratovolcano ·Elevation: 887 m ·Last eruption: 1640 ·Netherlands
  • Quill, The
    Distance: 426 km ·Stratovolcano ·Elevation: 601 m ·Last eruption: 250 ·Netherlands
  • Liamuiga
    Distance: 445 km ·Stratovolcano ·Elevation: 1'156 m ·Last eruption: 160 ·Saint Kitts and Nevis
  • Nevis Peak
    Distance: 472 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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