M1.8 Depth: 39.4 km

M1.8 Earthquake near 46 km NW of Egegik, Alaska (United States)

UTC time: 2025-07-31 06:20:50 UTC Local time: —

About this earthquake

On July 31, 2025 at 06:20 UTC, a magnitude M1.8 earthquake occurred near 46 km NW of Egegik, Alaska (United States). The hypocenter lay relatively close to the surface at around 39 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 249 earthquakes were recorded in the past 24 hours, the strongest reaching M4.1.

Details

Magnitude

M1.8

Depth

39.4 km

UTC time

2025-07-31 06:20:50 UTC

Local time

—

Country

United States

City

Alaska

Source

usgs

Coordinates

58.48720, -157.98070

Temperature

14.9°C

Map

Depth profile

Shallow

39.4 km

39.4 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

Volcanoes nearby

Ukinrek Maars

Distance: 112 km ·Maar(s) ·Elevation: 91 m ·Last eruption: 1977 ·United States
Ugashik-Peulik

Distance: 125 km ·Stratovolcano ·Elevation: 1'474 m ·Last eruption: 1814 ·United States
Martin

Distance: 157 km ·Stratovolcano ·Elevation: 1'863 m ·Last eruption: 1953 ·United States
Kialagvik

Distance: 160 km ·Stratovolcano ·Elevation: 1'677 m ·United States
Chiginagak

Distance: 161 km ·Stratovolcano ·Elevation: 2'221 m ·Last eruption: 1998 ·United States
Mageik

Distance: 162 km ·Stratovolcano ·Elevation: 2'165 m ·Last eruption: -500 ·United States

Historic earthquake map · United States

Open history map

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Country statistics · United States

Country overview

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

Stats (last 24h)

Global (24h)

616

Country (24h)