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M1.9 Depth: 17.8 km

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

UTC time: 2026-06-29 23:55:03 UTC Local time: —

About this earthquake

On June 29, 2026 at 23:55 UTC, a magnitude M1.9 earthquake occurred near Montalva, Puerto Rico (United States). With a focal depth of about 18 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 192 earthquakes, the strongest at M5.4.

Details

Magnitude
M1.9
Depth
17.8 km
UTC time
2026-06-29 23:55:03 UTC
Local time
—
Country
United States
State
Puerto Rico
City
Montalva
County
Guánica
Source
usgs
Coordinates
17.97717, -66.96283
Temperature
27.4°C

Map

Depth profile

Depth profile Depth: 17.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 17.8 km
Shallow
17.8 km
17.8 km — close to the regional average (15.8 km)
Regional average: 15.8 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: 397 km ·Stratovolcano ·Elevation: 887 m ·Last eruption: 1640 ·Netherlands
  • Quill, The
    Distance: 428 km ·Stratovolcano ·Elevation: 601 m ·Last eruption: 250 ·Netherlands
  • Liamuiga
    Distance: 446 km ·Stratovolcano ·Elevation: 1'156 m ·Last eruption: 160 ·Saint Kitts and Nevis
  • Nevis Peak
    Distance: 474 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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