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United States · Puerto Rico

M2.2 Earthquake near Ciénagas, Puerto Rico (United States)

UTC time: 2026-09-20 21:33:28 UTC Local time: —

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About this earthquake

A magnitude M2.2 earthquake was recorded near Ciénagas, Puerto Rico (United States) on September 20, 2026 at 21:33 UTC. With a focal depth of about 15 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 data is provided by USGS and cross-checked across seismological networks. United States: 179 earthquakes were recorded in the past 24 hours, the strongest reaching M5.3.

Details

ID
fc33244e1ccd46016c9b8173c28ac67e1b0070b0
Magnitude
M2.2
Depth
15.0 km
UTC time
2026-09-20 21:33:28 UTC
Local time
—
Country
United States
State
Puerto Rico
City
Ciénagas
County
Guánica
Source
usgs
Coordinates
17.97767, -66.91600
Temperature
28.6°C

Depth profile

Depth profile Depth: 15 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 15 km
Shallow
15 km
15 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: 392 km ·Stratovolcano ·Elevation: 887 m ·Last eruption: 1640 ·Netherlands
  • Quill, The
    Distance: 423 km ·Stratovolcano ·Elevation: 601 m ·Last eruption: 250 ·Netherlands
  • Liamuiga
    Distance: 441 km ·Stratovolcano ·Elevation: 1'156 m ·Last eruption: 160 ·Saint Kitts and Nevis
  • Nevis Peak
    Distance: 469 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
    37.5 kmStraight-line distance
  • Eugenio Maria De Hostos AirportPuerto Rico · MAZ · TJMZ
    39.5 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-20

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

20 Sep 2025 – 20 Sep 2026 · M ≥ 2.0 · 892 Catalogue entries

Of 891 other entries for this area and period, 676 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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