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United States · Puerto Rico

M3.1 Earthquake near Mayagüez, Puerto Rico (United States)

UTC time: 2026-08-14 08:12:10 UTC Local time: —

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About this earthquake

On August 14, 2026 at 08:12 UTC, a magnitude M3.1 earthquake occurred near Mayagüez, Puerto Rico (United States). The earthquake originated at an intermediate depth of about 110 km. Shaking of this size is frequently noticed but usually harmless.

The data is provided by USGS and cross-checked across seismological networks. United States: 148 earthquakes were recorded in the past 24 hours, the strongest reaching M4.0.

Details

ID
56f602b6472b5c452cfba38ea7674d2b404bef91
Magnitude
M3.1
Depth
109.7 km
UTC time
2026-08-14 08:12:10 UTC
Local time
—
Country
United States
State
Puerto Rico
City
Mayagüez
County
Mayagüez
Source
usgs
Coordinates
18.20883, -67.19533
Temperature
26.0°C

Depth profile

Depth profile Depth: 109.7 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 109.7 km
Intermediate
109.7 km
109.7 km — deeper than the regional average (15.3 km)
Regional average: 15.3 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Saba
    Distance: 424 km ·Stratovolcano ·Elevation: 887 m ·Last eruption: 1640 ·Netherlands
  • Quill, The
    Distance: 456 km ·Stratovolcano ·Elevation: 601 m ·Last eruption: 250 ·Netherlands
  • Liamuiga
    Distance: 475 km ·Stratovolcano ·Elevation: 1'156 m ·Last eruption: 160 ·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
    7.2 kmStraight-line distance
  • Rafael Hernández International AirportPuerto Rico · BQN · TJBQ
    32.6 kmStraight-line distance

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

Nuclear power plants

  • Boiling Nuclear Superheater (BONUS) nuclear power plantPuerto RicoPermanently shut downReactor units at site: 1
    19.0 kmStraight-line distance

Source: Global Energy Monitor · Global Nuclear Power Tracker · Dataset date: 2026-08

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 ≥ 3.0 · 89 Catalogue entries

Of 88 other entries for this area and period, 52 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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