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United States

M1.8 Earthquake near 2 km N of Ridgeway, Alaska (United States)

UTC time: 2025-04-27 18:05:44 UTC Local time: —

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About this earthquake

On April 27, 2025 at 18:05 UTC, a magnitude M1.8 earthquake occurred near 2 km N of Ridgeway, Alaska (United States). With a focal depth of about 34 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 168 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Details

ID
f6705c5c515d34dc6f49571d1008ccf1c5ab0dc8
Magnitude
M1.8
Depth
34.0 km
UTC time
2025-04-27 18:05:44 UTC
Local time
—
Country
United States
Source
usgs
Coordinates
60.55180, -151.08400
Temperature
10.3°C

Depth profile

Depth profile Depth: 34 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 34 km
Shallow
34 km
34 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

  • Redoubt
    Distance: 91 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Spurr
    Distance: 104 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Iliamna
    Distance: 125 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Hayes
    Distance: 140 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Augustine
    Distance: 186 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Douglas
    Distance: 234 km ·Stratovolcano ·Elevation: 2'140 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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