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United States · Puerto Rico

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

UTC time: 2026-10-06 15:42:07 UTC Local time: —

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About this earthquake

On October 6, 2026 at 15:42 UTC, a magnitude M3.1 earthquake occurred near Río Piedras, Puerto Rico (United States). At around 113 km, the focal depth places this among intermediate-depth events. Earthquakes of this magnitude are often felt but rarely cause damage.

The event was recorded by USGS. United States: 150 earthquakes were recorded in the past 24 hours, the strongest reaching M5.8.

Details

ID
1d930c39a8f16b641d7a5297291647a7f98f8f81
Magnitude
M3.1
Depth
113.0 km
UTC time
2026-10-06 15:42:07 UTC
Local time
—
Country
United States
State
Puerto Rico
City
Río Piedras
County
San Juan
Source
usgs
Coordinates
18.40883, -66.04467
Temperature
29.6°C

Depth profile

Depth profile Depth: 113 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 113 km
Intermediate
113 km
113 km — deeper than the regional average (15.2 km)
Regional average: 15.2 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: 310 km ·Stratovolcano ·Elevation: 887 m ·Last eruption: 1640 ·Netherlands
  • Quill, The
    Distance: 342 km ·Stratovolcano ·Elevation: 601 m ·Last eruption: 250 ·Netherlands
  • Liamuiga
    Distance: 362 km ·Stratovolcano ·Elevation: 1'156 m ·Last eruption: 160 ·Saint Kitts and Nevis
  • Nevis Peak
    Distance: 393 km ·Stratovolcano ·Elevation: 985 m ·Saint Kitts and Nevis
  • Soufriere Hills
    Distance: 451 km ·Stratovolcano ·Elevation: 915 m ·Last eruption: 2013 ·United Kingdom

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Luis Munoz Marin International AirportPuerto Rico · SJU · TJSJ
    5.7 kmStraight-line distance
  • Fernando Luis Ribas Dominicci AirportPuerto Rico · SIG · TJIG
    7.8 kmStraight-line distance
  • José Aponte de la Torre AirportPuerto Rico · NRR · TJRV
    46.4 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-05

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 ≥ 3.0 · 94 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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