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M1.8 Depth: 14.8 km

M1.8 Earthquake near 43 km WSW of Tatitlek, Alaska (United States)

UTC time: 2025-04-28 23:55:43 UTC Local time: —

About this earthquake

On April 28, 2025 at 23:55 UTC, a magnitude M1.8 earthquake occurred near 43 km WSW of Tatitlek, Alaska (United States). With a focal depth of about 15 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: over the past 24 hours, QuakeMap24 logged 173 earthquakes, the strongest at M3.9.

Details

Magnitude
M1.8
Depth
14.8 km
UTC time
2025-04-28 23:55:43 UTC
Local time
—
Country
United States
Source
usgs
Coordinates
60.70130, -147.39860
Temperature
8.1°C

Map

Depth profile

Depth profile Depth: 14.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 14.8 km
Shallow
14.8 km
14.8 km — close to 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

  • Wrangell
    Distance: 231 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Spurr
    Distance: 270 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 288 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Redoubt
    Distance: 293 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Churchill
    Distance: 313 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
  • Iliamna
    Distance: 322 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·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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