M1.9 Depth: 53.3 km

M1.9 Earthquake near 42 km S of Chignik, Alaska (United States)

UTC time: 2025-07-21 01:04:21 UTC Local time: —

About this earthquake

On July 21, 2025 at 01:04 UTC, a magnitude M1.9 earthquake occurred near 42 km S of Chignik, Alaska (United States). With a focal depth of about 53 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 208 earthquakes were recorded in the past 24 hours, the strongest reaching M3.2.

Details

Magnitude

M1.9

Depth

53.3 km

UTC time

2025-07-21 01:04:21 UTC

Local time

—

Country

United States

City

Alaska

Source

usgs

Coordinates

55.92070, -158.27910

Temperature

13.4°C

Map

Depth profile

Shallow

53.3 km

53.3 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

Veniaminof

Distance: 74 km ·Stratovolcano ·Elevation: 2'507 m ·Last eruption: 2021 ·United States
Black Peak

Distance: 77 km ·Stratovolcano ·Elevation: 1'032 m ·Last eruption: -1900 ·United States
Kupreanof ADVISORY · YELLOW

Distance: 95 km ·Stratovolcano ·Elevation: 1'895 m ·United States
Aniakchak

Distance: 107 km ·Caldera ·Elevation: 1'341 m ·Last eruption: 1931 ·United States
Stepovak Bay Group

Distance: 108 km ·Volcanic field ·Elevation: 1'633 m ·United States
Yantarni

Distance: 139 km ·Stratovolcano ·Elevation: 1'345 m ·Last eruption: -800 ·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)

592

Country (24h)