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M2.3 Depth: 8.3 km

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

UTC time: 2026-07-28 17:35:19 UTC Local time: —

About this earthquake

A magnitude M2.3 earthquake was recorded near Boca, Puerto Rico (United States) on July 28, 2026 at 17:35 UTC. The hypocenter lay relatively close to the surface at around 8 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 176 earthquakes were recorded in the past 24 hours, the strongest reaching M4.8.

Details

Magnitude
M2.3
Depth
8.3 km
UTC time
2026-07-28 17:35:19 UTC
Local time
—
Country
United States
State
Puerto Rico
City
Boca
County
Guayanilla
Source
usgs
Coordinates
17.95967, -66.84167
Temperature
31.7°C

Map

Depth profile

Depth profile Depth: 8.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 8.3 km
Shallow
8.3 km
8.3 km — shallower than the regional average (15.5 km)
Regional average: 15.5 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: 384 km ·Stratovolcano ·Elevation: 887 m ·Last eruption: 1640 ·Netherlands
  • Quill, The
    Distance: 415 km ·Stratovolcano ·Elevation: 601 m ·Last eruption: 250 ·Netherlands
  • Liamuiga
    Distance: 433 km ·Stratovolcano ·Elevation: 1'156 m ·Last eruption: 160 ·Saint Kitts and Nevis
  • Nevis Peak
    Distance: 461 km ·Stratovolcano ·Elevation: 985 m ·Saint Kitts and Nevis

Historic earthquake map · United States

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Country statistics · United States

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

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