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United States · Puerto Rico

M2.6 Earthquake near Montalva, Puerto Rico (United States)

UTC time: 2026-08-17 18:03:07 UTC Local time: —

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About this earthquake

A magnitude M2.6 earthquake was recorded near Montalva, Puerto Rico (United States) on August 17, 2026 at 18:03 UTC. 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 event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 148 earthquakes, the strongest at M4.0.

Details

ID
7149f370f265df19f69c184eb145064402e4ace3
Magnitude
M2.6
Depth
12.8 km
UTC time
2026-08-17 18:03:07 UTC
Local time
—
Country
United States
State
Puerto Rico
City
Montalva
County
Guánica
Source
usgs
Coordinates
17.94733, -66.96067
Temperature
32.2°C

Depth profile

Depth profile Depth: 12.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 12.8 km
Shallow
12.8 km
12.8 km — close to the regional average (15.3 km)
Regional average: 15.3 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: 427 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: 473 km ·Stratovolcano ·Elevation: 985 m ·Saint Kitts and Nevis

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Eugenio Maria De Hostos AirportPuerto Rico · MAZ · TJMZ
    39.6 kmStraight-line distance
  • Mercedita International AirportPuerto Rico · PSE · TJPS
    42.6 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-06

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Puerto Rico

Context for this earthquake

06 Sep 2025 – 06 Sep 2026 · M ≥ 2.0 · 851 Catalogue entries

Of 850 other entries for this area and period, 208 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historic earthquake map · United States

Open history map
Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · United States

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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