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M1.0 Depth: 25.0 km

M1.0 Earthquake near 19 km NW of Tatitlek, Alaska (United States)

UTC time: 2025-08-18 18:16:29 UTC Local time: —

About this earthquake

On August 18, 2025 at 18:16 UTC, a magnitude M1.0 earthquake occurred near 19 km NW of Tatitlek, Alaska (United States). The hypocenter lay relatively close to the surface at around 25 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 220 earthquakes, the strongest at M3.3.

Details

Magnitude
M1.0
Depth
25.0 km
UTC time
2025-08-18 18:16:29 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
61.00600, -146.87940
Temperature
16.5°C

Map

Depth profile

Depth profile Depth: 25 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 25 km
Shallow
25 km
25 km — deeper than the regional average (15.4 km)
Regional average: 15.4 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: 188 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Churchill
    Distance: 278 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
  • Spurr
    Distance: 290 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 303 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Redoubt
    Distance: 324 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Buzzard Creek
    Distance: 349 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·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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