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United States · Puerto Rico

M2.1 Earthquake near Puerto Rico (United States)

UTC time: 2026-08-21 00:43:53 UTC Local time: —

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About this earthquake

A magnitude M2.1 earthquake was recorded near Puerto Rico (United States) on August 21, 2026 at 00:43 UTC. With a focal depth of about 7 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 148 earthquakes, the strongest at M4.0.

Details

ID
336170d164522eeba94d05589928270853f20245
Magnitude
M2.1
Depth
6.9 km
UTC time
2026-08-21 00:43:53 UTC
Local time
—
Country
United States
State
Puerto Rico
City
Puerto Rico
Source
usgs
Coordinates
18.04783, -65.75633
Temperature
26.5°C

Depth profile

Depth profile Depth: 6.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 6.9 km
Shallow
6.9 km
6.9 km — shallower than 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: 271 km ·Stratovolcano ·Elevation: 887 m ·Last eruption: 1640 ·Netherlands
  • Quill, The
    Distance: 303 km ·Stratovolcano ·Elevation: 601 m ·Last eruption: 250 ·Netherlands
  • Liamuiga
    Distance: 322 km ·Stratovolcano ·Elevation: 1'156 m ·Last eruption: 160 ·Saint Kitts and Nevis
  • Nevis Peak
    Distance: 351 km ·Stratovolcano ·Elevation: 985 m ·Saint Kitts and Nevis
  • Soufriere Hills
    Distance: 407 km ·Stratovolcano ·Elevation: 915 m ·Last eruption: 2013 ·United Kingdom
  • Soufriere Guadeloupe
    Distance: 489 km ·Stratovolcano ·Elevation: 1'467 m ·Last eruption: 1977 ·France

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • José Aponte de la Torre AirportPuerto Rico · NRR · TJRV
    25.4 kmStraight-line distance
  • Antonio Rivera Rodriguez AirportPuerto Rico · VQS · TJVQ
    29.4 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, 770 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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Country statistics · United States

Country overview
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