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M0.9 Depth: 11.2 km

M0.9 Earthquake near 14 km NNE of Houston, Alaska (United States)

UTC time: 2025-08-21 10:52:10 UTC Local time: —

About this earthquake

A magnitude M0.9 earthquake was recorded near 14 km NNE of Houston, Alaska (United States) on August 21, 2025 at 10:52 UTC. With a focal depth of about 11 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 195 earthquakes, the strongest at M3.7.

Details

Magnitude
M0.9
Depth
11.2 km
UTC time
2025-08-21 10:52:10 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
61.74700, -149.71870
Temperature
12.0°C

Map

Depth profile

Depth profile Depth: 11.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 11.2 km
Shallow
11.2 km
11.2 km — shallower than 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

  • Hayes
    Distance: 142 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 143 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 215 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 264 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Buzzard Creek
    Distance: 265 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Wrangell
    Distance: 300 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States

Historic earthquake map · United States

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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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