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United States · Puerto Rico

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

UTC time: 2026-09-29 02:53:04 UTC Local time: —

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About this earthquake

A magnitude M2.3 earthquake was recorded near Guayanilla, Puerto Rico (United States) on September 29, 2026 at 02:53 UTC. With a focal depth of about 13 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 160 earthquakes, the strongest at M4.1.

Details

ID
9574d305f3932520dd9351c17532d58b24af07f5
Magnitude
M2.3
Depth
13.2 km
UTC time
2026-09-29 02:53:04 UTC
Local time
—
Country
United States
State
Puerto Rico
City
Guayanilla
County
Guayanilla
Source
usgs
Coordinates
17.99983, -66.81617
Temperature
24.4°C

Depth profile

Depth profile Depth: 13.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 13.2 km
Shallow
13.2 km
13.2 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: 382 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: 459 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
    26.8 kmStraight-line distance
  • Eugenio Maria De Hostos AirportPuerto Rico · MAZ · TJMZ
    45.2 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-29

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

29 Sep 2025 – 29 Sep 2026 · M ≥ 2.0 · 921 Catalogue entries

Of 920 other entries for this area and period, 561 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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