Back to map
United States · Alaska

M1.8 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-03-09 18:53:43 UTC Local time: —

Map

About this earthquake

A magnitude M1.8 earthquake was recorded near Unorganized Borough, Alaska (United States) on March 9, 2026 at 18:53 UTC. The earthquake originated at an intermediate depth of about 74 km. 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 165 earthquakes, the strongest at M3.7.

Depth profile

Depth profile Depth: 73.5 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 73.5 km
Intermediate
73.5 km
73.5 km — deeper than the regional average (15.3 km)
Regional average: 15.3 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

  • Moffett
    Distance: 40 km ·Stratovolcano ·Elevation: 1'196 m ·Last eruption: -1600 ·United States
  • Great Sitkin WATCH · ORANGE
    Distance: 46 km ·Stratovolcano ·Elevation: 1'740 m ·Last eruption: 2026 ·United States
  • Kanaga
    Distance: 63 km ·Stratovolcano ·Elevation: 1'307 m ·Last eruption: 2023 ·United States
  • Kasatochi
    Distance: 79 km ·Stratovolcano ·Elevation: 314 m ·Last eruption: 2008 ·United States
  • Bobrof
    Distance: 79 km ·Stratovolcano ·Elevation: 738 m ·United States
  • Koniuji
    Distance: 102 km ·Stratovolcano ·Elevation: 273 m ·Last eruption: -1150 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Adak AirportUnited States · ADK · PADK
    30.3 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-05

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

05 Oct 2025 – 05 Oct 2026 · M ≥ 2.0 · 4,148 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

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.

Share