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M0.5 Depth: 12.7 km

M0.5 Earthquake near 53 km N of Chignik Lagoon, Alaska (United States)

UTC time: 2025-09-19 16:05:55 UTC Local time: —

About this earthquake

On September 19, 2025 at 16:05 UTC, a magnitude M0.5 earthquake occurred near 53 km N of Chignik Lagoon, Alaska (United States). The hypocenter lay relatively close to the surface at around 13 km, increasing how strongly it was felt. 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 178 earthquakes, the strongest at M3.5.

Details

Magnitude
M0.5
Depth
12.7 km
UTC time
2025-09-19 16:05:55 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
56.79050, -158.45100
Temperature
9.9°C

Map

Depth profile

Depth profile Depth: 12.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 12.7 km
Shallow
12.7 km
12.7 km — close to 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

  • Aniakchak
    Distance: 20 km ·Caldera ·Elevation: 1'341 m ·Last eruption: 1931 ·United States
  • Black Peak
    Distance: 33 km ·Stratovolcano ·Elevation: 1'032 m ·Last eruption: -1900 ·United States
  • Yantarni
    Distance: 81 km ·Stratovolcano ·Elevation: 1'345 m ·Last eruption: -800 ·United States
  • Veniaminof
    Distance: 90 km ·Stratovolcano ·Elevation: 2'507 m ·Last eruption: 2021 ·United States
  • Chiginagak
    Distance: 96 km ·Stratovolcano ·Elevation: 2'221 m ·Last eruption: 1998 ·United States
  • Kialagvik
    Distance: 113 km ·Stratovolcano ·Elevation: 1'677 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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