M3.9 Depth: 106.4 km

M3.9 Earthquake near 53 km ESE of Pedro Bay, Alaska (United States)

UTC time: 2025-07-27 13:09:23 UTC Local time: —

About this earthquake

On July 27, 2025 at 13:09 UTC, a magnitude M3.9 earthquake occurred near 53 km ESE of Pedro Bay, Alaska (United States). At around 106 km, the focal depth places this among intermediate-depth events. Earthquakes of this magnitude are often felt but rarely cause damage.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 251 earthquakes, the strongest at M4.1.

Details

Magnitude

M3.9

Depth

106.4 km

UTC time

2025-07-27 13:09:23 UTC

Local time

—

Country

United States

City

Alaska

Source

usgs

Coordinates

59.58260, -153.24590

Temperature

12.1°C

Map

Depth profile

Intermediate

106.4 km

106.4 km — deeper than the regional average (15.3 km)

Regional average: 15.3 km

Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

Augustine

Distance: 27 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
Iliamna

Distance: 51 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
Douglas

Distance: 83 km ·Stratovolcano ·Elevation: 2'140 m ·United States
Fourpeaked

Distance: 94 km ·Stratovolcano ·Elevation: 2'105 m ·Last eruption: 2006 ·United States
Redoubt

Distance: 104 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
Kaguyak

Distance: 117 km ·Lava dome(s) ·Elevation: 901 m ·Last eruption: -3850 ·United States

Historic earthquake map · United States

Open history map

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.

Stats (last 24h)

Global (24h)

639

Country (24h)