United States

M1.8 Earthquake near 30 km SSE of Chignik Lake, Alaska (United States)

UTC time: 2025-12-12 14:59:57 UTC Local time:

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About this earthquake

A magnitude M1.8 earthquake was recorded near 30 km SSE of Chignik Lake, Alaska (United States) on December 12, 2025 at 14:59 UTC. At around 74 km, the focal depth places this among intermediate-depth events. 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 258 earthquakes, the strongest at M5.4.

Details

ID
a2717a98b826a023b05ce771fb7ccf7a0911255c
Magnitude
M1.8
Depth
73.8 km
UTC time
2025-12-12 14:59:57 UTC
Local time
Country
City
Source
usgs
Coordinates
56.00800, -158.55800
Temperature
-0.6°C

Depth profile

Depth profile Depth: 73.8 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 73.8 km
Intermediate
73.8 km
73.8 km — deeper than the regional average (15.2 km)
Regional average: 15.2 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Distance: 54 km ·Stratovolcano ·Elevation: 2'507 m ·Last eruption: 2021 ·United States
  • Distance: 62 km ·Stratovolcano ·Elevation: 1'032 m ·Last eruption: -1900 ·United States
  • Distance: 77 km ·Stratovolcano ·Elevation: 1'895 m ·United States
  • Distance: 91 km ·Volcanic field ·Elevation: 1'633 m ·United States
  • Distance: 100 km ·Caldera ·Elevation: 1'341 m ·Last eruption: 1931 ·United States
  • Distance: 140 km ·Stratovolcano ·Elevation: 1'345 m ·Last eruption: -800 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Chignik Lake AirportUnited States · KCQ · A79
    30.6 kmStraight-line distance
  • Chignik AirportUnited States · KCG · PAJC
    35.6 kmStraight-line distance
  • Perryville AirportUnited States · KPV · PAPE
    39.2 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-12

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Alaska

Context for this earthquake

12 Sep 2025 – 12 Sep 2026 · M ≥ 2.0 · 4,102 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

Historic earthquake map · United States

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

View earthquake KPIs, strongest and latest events, and averages for this country.

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