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United States · Puerto Rico

M3.2 Earthquake near Puerto Rico (United States)

UTC time: 2026-09-23 12:37:18 UTC Local time: —

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About this earthquake

On September 23, 2026 at 12:37 UTC, a magnitude M3.2 earthquake occurred near Puerto Rico (United States). With a focal depth of about 42 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 129 earthquakes, the strongest at M3.7.

Details

ID
83b88ce37b0123503c0e98873562c83caa0a8c7e
Magnitude
M3.2
Depth
42.5 km
UTC time
2026-09-23 12:37:18 UTC
Local time
—
Country
United States
State
Puerto Rico
City
Puerto Rico
Source
usgs
Coordinates
18.10233, -68.03333
Temperature
28.6°C

Depth profile

Depth profile Depth: 42.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 42.5 km
Shallow
42.5 km
42.5 km — deeper than the regional average (15.3 km)
Regional average: 15.3 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

Puerto Rico

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 94 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

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Historic earthquake map · United States

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Country statistics · United States

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