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M1.8 Depth: 67.1 km

M1.8 Earthquake near 23 km WNW of Nikiski, Alaska (United States)

UTC time: 2025-07-28 13:54:14 UTC Local time: —

About this earthquake

A magnitude M1.8 earthquake was recorded near 23 km WNW of Nikiski, Alaska (United States) on July 28, 2025 at 13:54 UTC. With a focal depth of about 67 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 258 earthquakes, the strongest at M4.1.

Details

Magnitude
M1.8
Depth
67.1 km
UTC time
2025-07-28 13:54:14 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
60.80240, -151.65620
Temperature
12.1°C

Map

Depth profile

Depth profile Depth: 67.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 67.1 km
Shallow
67.1 km
67.1 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: 64 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 69 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Hayes
    Distance: 102 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Iliamna
    Distance: 116 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Augustine
    Distance: 188 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Douglas
    Distance: 241 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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