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M1.8 Depth: 15.8 km

M1.8 Earthquake near 27 km W of Tanana, Alaska (United States)

UTC time: 2025-08-27 20:04:10 UTC Local time: —

About this earthquake

A magnitude M1.8 earthquake was recorded near 27 km W of Tanana, Alaska (United States) on August 27, 2025 at 20:04 UTC. The hypocenter lay relatively close to the surface at around 16 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 231 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Details

Magnitude
M1.8
Depth
15.8 km
UTC time
2025-08-27 20:04:10 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
65.17490, -152.65630
Temperature
13.0°C

Map

Depth profile

Depth profile Depth: 15.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 15.8 km
Shallow
15.8 km
15.8 km — close to the regional average (15.4 km)
Regional average: 15.4 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: 236 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Hayes
    Distance: 393 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 431 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • St. Michael
    Distance: 494 km ·Volcanic field ·Elevation: 715 m ·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.

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