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M2.1 Depth: 17.5 km

M2.1 Earthquake near Arecibo, Puerto Rico (United States)

UTC time: 2026-07-20 22:38:34 UTC Local time: —

About this earthquake

On July 20, 2026 at 22:38 UTC, a magnitude M2.1 earthquake occurred near Arecibo, Puerto Rico (United States). With a focal depth of about 17 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 185 earthquakes, the strongest at M3.1.

Details

Magnitude
M2.1
Depth
17.5 km
UTC time
2026-07-20 22:38:34 UTC
Local time
—
Country
United States
State
Puerto Rico
City
Arecibo
County
Arecibo
Source
usgs
Coordinates
18.45117, -66.58667
Temperature
28.2°C

Map

Depth profile

Depth profile Depth: 17.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 17.5 km
Shallow
17.5 km
17.5 km — close to the regional average (15.6 km)
Regional average: 15.6 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: 366 km ·Stratovolcano ·Elevation: 887 m ·Last eruption: 1640 ·Netherlands
  • Quill, The
    Distance: 399 km ·Stratovolcano ·Elevation: 601 m ·Last eruption: 250 ·Netherlands
  • Liamuiga
    Distance: 418 km ·Stratovolcano ·Elevation: 1'156 m ·Last eruption: 160 ·Saint Kitts and Nevis
  • Nevis Peak
    Distance: 448 km ·Stratovolcano ·Elevation: 985 m ·Saint Kitts and Nevis

Historic earthquake map · United States

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Country statistics · United States

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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