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United States · Puerto Rico

M3.9 Earthquake near Puerto Rico (United States)

UTC time: 2026-04-06 10:06:50 UTC Local time: —

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About this earthquake

A magnitude M3.9 earthquake was recorded near Puerto Rico (United States) on April 6, 2026 at 10:06 UTC. With a focal depth of about 40 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 data is provided by EMSC and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 176 earthquakes, the strongest at M3.3.

Details

ID
fee6c5c63f4fd4711ef3841bb6f4732fba66b32f
Magnitude
M3.9
Depth
40.0 km
UTC time
2026-04-06 10:06:50 UTC
Local time
—
Country
United States
State
Puerto Rico
City
Puerto Rico
Source
emsc
Coordinates
17.94860, -67.98560
Temperature
26.0°C

Depth profile

Depth profile Depth: 40 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 40 km
Shallow
40 km
40 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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