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M2.8 Depth: 10.0 km

M2.8 Earthquake near Mona Passage (United States)

UTC time: 2025-09-21 21:06:54 UTC Local time: —

About this earthquake

A magnitude M2.8 earthquake was recorded near Mona Passage (United States) on September 21, 2025 at 21:06 UTC. The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by ISC. United States: over the past 24 hours, QuakeMap24 logged 160 earthquakes, the strongest at M3.7.

Details

Magnitude
M2.8
Depth
10.0 km
UTC time
2025-09-21 21:06:54 UTC
Local time
—
Country
United States
City
Puerto Rico
Source
isc
Coordinates
18.10200, -67.02700
Temperature
27.9°C

Map

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 km
10 km — shallower than the regional average (15.4 km)
Regional average: 15.4 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: 405 km ·Stratovolcano ·Elevation: 887 m ·Last eruption: 1640 ·Netherlands
  • Quill, The
    Distance: 436 km ·Stratovolcano ·Elevation: 601 m ·Last eruption: 250 ·Netherlands
  • Liamuiga
    Distance: 455 km ·Stratovolcano ·Elevation: 1'156 m ·Last eruption: 160 ·Saint Kitts and Nevis
  • Nevis Peak
    Distance: 483 km ·Stratovolcano ·Elevation: 985 m ·Saint Kitts and Nevis

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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