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M1.8 Depth: 80.8 km

M1.8 Earthquake near 52 km WNW of Ninilchik, Alaska (United States)

UTC time: 2025-09-28 16:56:16 UTC Local time: —

About this earthquake

On September 28, 2025 at 16:56 UTC, a magnitude M1.8 earthquake occurred near 52 km WNW of Ninilchik, Alaska (United States). The earthquake originated at an intermediate depth of about 81 km. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by USGS and cross-checked across seismological networks. United States: 171 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.

Details

Magnitude
M1.8
Depth
80.8 km
UTC time
2025-09-28 16:56:16 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
60.28850, -152.47780
Temperature
1.8°C

Map

Depth profile

Depth profile Depth: 80.8 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 80.8 km
Intermediate
80.8 km
80.8 km — deeper than the regional average (15.4 km)
Regional average: 15.4 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: 26 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 44 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Spurr
    Distance: 113 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Augustine
    Distance: 116 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Hayes
    Distance: 150 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Douglas
    Distance: 170 km ·Stratovolcano ·Elevation: 2'140 m ·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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