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United States

M1.6 Earthquake near 3 km NE of Houston, Alaska (United States)

UTC time: 2025-04-23 23:03:58 UTC Local time: —

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About this earthquake

A magnitude M1.6 earthquake was recorded near 3 km NE of Houston, Alaska (United States) on April 23, 2025 at 23:03 UTC. With a focal depth of about 48 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: over the past 24 hours, QuakeMap24 logged 150 earthquakes, the strongest at M4.0.

Details

ID
21b25ac410a285f3c30331300f74d0f0e756a04e
Magnitude
M1.6
Depth
48.1 km
UTC time
2025-04-23 23:03:58 UTC
Local time
—
Country
United States
Source
usgs
Coordinates
61.64960, -149.77210
Temperature
7.2°C

Depth profile

Depth profile Depth: 48.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 48.1 km
Shallow
48.1 km
48.1 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

  • Spurr
    Distance: 137 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 139 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Redoubt
    Distance: 206 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 254 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Buzzard Creek
    Distance: 277 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Wrangell
    Distance: 305 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Wasilla Creek AirparkUnited States · 05AK
    30.9 kmStraight-line distance
  • Merrill FieldUnited States · MRI · PAMR
    48.7 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-06

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

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.

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