M1.6 Depth: 0.5 km

M1.6 Earthquake near 89 km SW of Tanana, Alaska (United States)

UTC time: 2025-07-21 23:15:32 UTC Local time: —

About this earthquake

A magnitude M1.6 earthquake was recorded near 89 km SW of Tanana, Alaska (United States) on July 21, 2025 at 23:15 UTC. The hypocenter lay relatively close to the surface at around 1 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 207 earthquakes were recorded in the past 24 hours, the strongest reaching M3.2.

Details

Magnitude

M1.6

Depth

0.5 km

UTC time

2025-07-21 23:15:32 UTC

Local time

—

Country

United States

City

Alaska

Source

usgs

Coordinates

64.59060, -153.37100

Temperature

12.8°C

Map

Depth profile

Shallow

0.5 km

0.5 km — shallower 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

Buzzard Creek

Distance: 245 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
Hayes

Distance: 332 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
Spurr

Distance: 370 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
St. Michael

Distance: 444 km ·Volcanic field ·Elevation: 715 m ·United States
Redoubt

Distance: 458 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
Imuruk Lake

Distance: 483 km ·Volcanic field ·Elevation: 610 m ·Last eruption: 300 ·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)

593

Country (24h)