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M1.6 Depth: 40.1 km

M1.6 Earthquake near 15 km ENE of Nikiski, Alaska (United States)

UTC time: 2025-04-29 09:07:41 UTC Local time: —

About this earthquake

On April 29, 2025 at 09:07 UTC, a magnitude M1.6 earthquake occurred near 15 km ENE of Nikiski, Alaska (United States). With a focal depth of about 40 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. 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: over the past 24 hours, QuakeMap24 logged 172 earthquakes, the strongest at M3.9.

Details

Magnitude
M1.6
Depth
40.1 km
UTC time
2025-04-29 09:07:41 UTC
Local time
—
Country
United States
Source
usgs
Coordinates
60.72950, -151.01960
Temperature
9.4°C

Map

Depth profile

Depth profile Depth: 40.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 40.1 km
Shallow
40.1 km
40.1 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: 92 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 98 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Hayes
    Distance: 126 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Iliamna
    Distance: 138 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Augustine
    Distance: 203 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Douglas
    Distance: 252 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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