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United States · Puerto Rico

M2.3 Earthquake near Montalva, Puerto Rico (United States)

UTC time: 2026-09-03 23:41:33 UTC Local time: —

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About this earthquake

A magnitude M2.3 earthquake was recorded near Montalva, Puerto Rico (United States) on September 3, 2026 at 23:41 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 163 earthquakes, the strongest at M3.5.

Details

ID
39b58f3e496dfd86be6185d354b56ed9270ee344
Magnitude
M2.3
Depth
13.4 km
UTC time
2026-09-03 23:41:33 UTC
Local time
—
Country
United States
State
Puerto Rico
City
Montalva
County
Guánica
Source
usgs
Coordinates
17.96217, -66.91133
Temperature
25.3°C

Depth profile

Depth profile Depth: 13.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 13.4 km
Shallow
13.4 km
13.4 km — close to the regional average (15.2 km)
Regional average: 15.2 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: 391 km ·Stratovolcano ·Elevation: 887 m ·Last eruption: 1640 ·Netherlands
  • Quill, The
    Distance: 422 km ·Stratovolcano ·Elevation: 601 m ·Last eruption: 250 ·Netherlands
  • Liamuiga
    Distance: 441 km ·Stratovolcano ·Elevation: 1'156 m ·Last eruption: 160 ·Saint Kitts and Nevis
  • Nevis Peak
    Distance: 468 km ·Stratovolcano ·Elevation: 985 m ·Saint Kitts and Nevis

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

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

Source: OurAirports · Dataset date: 2026-11-09

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

05 Oct 2025 – 05 Oct 2026 · M ≥ 2.0 · 931 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

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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