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United States · Puerto Rico

M2.9 Earthquake near Guayanilla, Puerto Rico (United States)

UTC time: 2026-08-31 00:42:28 UTC Local time: —

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About this earthquake

A magnitude M2.9 earthquake was recorded near Guayanilla, Puerto Rico (United States) on August 31, 2026 at 00:42 UTC. With a focal depth of about 17 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 148 earthquakes were recorded in the past 24 hours, the strongest reaching M4.0.

Details

ID
fb7ef2cb6fcbb9b47dc521062a9c926b3eec17a8
Magnitude
M2.9
Depth
16.7 km
UTC time
2026-08-31 00:42:28 UTC
Local time
—
Country
United States
State
Puerto Rico
City
Guayanilla
County
Guayanilla
Source
usgs
Coordinates
18.01333, -66.80917
Temperature
25.9°C

Depth profile

Depth profile Depth: 16.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 16.7 km
Shallow
16.7 km
16.7 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: 381 km ·Stratovolcano ·Elevation: 887 m ·Last eruption: 1640 ·Netherlands
  • Quill, The
    Distance: 412 km ·Stratovolcano ·Elevation: 601 m ·Last eruption: 250 ·Netherlands
  • Liamuiga
    Distance: 431 km ·Stratovolcano ·Elevation: 1'156 m ·Last eruption: 160 ·Saint Kitts and Nevis
  • Nevis Peak
    Distance: 458 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
    26.0 kmStraight-line distance
  • Eugenio Maria De Hostos AirportPuerto Rico · MAZ · TJMZ
    44.9 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, 118 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historic earthquake map · United States

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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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