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United States

M1.1 Earthquake near 28 km WNW of Clam Gulch, Alaska (United States)

UTC time: 2025-04-23 12:06:36 UTC Local time: —
Magnitude
M1.1
Depth
88.2 km
Source
USGS

28 km WNW of Clam Gulch, Alaska

Country overview

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About this earthquake

A magnitude M1.1 earthquake was recorded near 28 km WNW of Clam Gulch, Alaska (United States) on April 23, 2025 at 12:06 UTC. At around 88 km, the focal depth places this among intermediate-depth events. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 146 earthquakes were recorded in the past 24 hours, the strongest reaching M4.0.

Details

ID
6a574aa883ea7f164b6451d8b0ad29a9510493e3
Magnitude
M1.1
Depth
88.2 km
UTC time
2025-04-23 12:06:36 UTC
Local time
—
Country
United States
Source
usgs
Coordinates
60.36720, -151.83400
Temperature
4.6°C

Depth profile

Depth profile Depth: 88.2 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 88.2 km
Intermediate
88.2 km
88.2 km — deeper than the regional average (15.3 km)
Regional average: 15.3 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Redoubt
    Distance: 52 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 79 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Spurr
    Distance: 106 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Augustine
    Distance: 143 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Hayes
    Distance: 145 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Douglas
    Distance: 194 km ·Stratovolcano ·Elevation: 2'140 m ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Kenai Municipal AirportUnited States · ENA · PAEN
    39.4 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

United States

Context for this earthquake

06 Sep 2025 – 06 Sep 2026 · M ≥ 2.0 · 11,559 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

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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