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M2.8 Depth: 15.7 km

M2.8 Earthquake near Guayanilla, Puerto Rico (United States)

UTC time: 2026-06-21 23:27:50 UTC Local time: —

About this earthquake

A magnitude M2.8 earthquake was recorded near Guayanilla, Puerto Rico (United States) on June 21, 2026 at 23:27 UTC. The hypocenter lay relatively close to the surface at around 16 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 204 earthquakes were recorded in the past 24 hours, the strongest reaching M3.6.

Details

Magnitude
M2.8
Depth
15.7 km
UTC time
2026-06-21 23:27:50 UTC
Local time
—
Country
United States
State
Puerto Rico
City
Guayanilla
County
Guayanilla
Source
usgs
Coordinates
18.03983, -66.78683
Temperature
26.9°C

Map

Depth profile

Depth profile Depth: 15.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 15.7 km
Shallow
15.7 km
15.7 km — close to the regional average (15.8 km)
Regional average: 15.8 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: 379 km ·Stratovolcano ·Elevation: 887 m ·Last eruption: 1640 ·Netherlands
  • Quill, The
    Distance: 410 km ·Stratovolcano ·Elevation: 601 m ·Last eruption: 250 ·Netherlands
  • Liamuiga
    Distance: 429 km ·Stratovolcano ·Elevation: 1'156 m ·Last eruption: 160 ·Saint Kitts and Nevis
  • Nevis Peak
    Distance: 457 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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