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M1.8 Depth: 40.6 km

M1.8 Earthquake near 5 km SW of Halibut Cove, Alaska (United States)

UTC time: 2025-07-22 17:24:49 UTC Local time: —

About this earthquake

A magnitude M1.8 earthquake was recorded near 5 km SW of Halibut Cove, Alaska (United States) on July 22, 2025 at 17:24 UTC. The hypocenter lay relatively close to the surface at around 41 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: 220 earthquakes were recorded in the past 24 hours, the strongest reaching M3.6.

Details

Magnitude
M1.8
Depth
40.6 km
UTC time
2025-07-22 17:24:49 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
59.56340, -151.29020
Temperature
15.6°C

Map

Depth profile

Depth profile Depth: 40.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 40.6 km
Shallow
40.6 km
40.6 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

  • Iliamna
    Distance: 113 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Augustine
    Distance: 123 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Redoubt
    Distance: 130 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Douglas
    Distance: 150 km ·Stratovolcano ·Elevation: 2'140 m ·United States
  • Fourpeaked
    Distance: 162 km ·Stratovolcano ·Elevation: 2'105 m ·Last eruption: 2006 ·United States
  • Kaguyak
    Distance: 189 km ·Lava dome(s) ·Elevation: 901 m ·Last eruption: -3850 ·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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