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United States · Alaska

M1.7 Earthquake near Anchorage, Alaska (United States)

UTC time: 2026-08-21 00:09:42 UTC Local time: —

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About this earthquake

A magnitude M1.7 earthquake was recorded near Anchorage, Alaska (United States) on August 21, 2026 at 00:09 UTC. With a focal depth of about 23 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. 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 185 earthquakes, the strongest at M4.1.

Details

ID
40b9ab451075d78e9f1c68f1d8ff918ee62b1c02
Magnitude
M1.7
Depth
23.0 km
UTC time
2026-08-21 00:09:42 UTC
Local time
—
Country
United States
State
Alaska
City
Anchorage
Source
usgs
Coordinates
61.17900, -149.64900
Temperature
16.5°C

Depth profile

Depth profile Depth: 23 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 23 km
Shallow
23 km
23 km — deeper than the regional average (15.2 km)
Regional average: 15.2 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

  • Spurr
    Distance: 140 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 156 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Redoubt
    Distance: 185 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 227 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Augustine
    Distance: 290 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Wrangell
    Distance: 312 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Merrill FieldUnited States · MRI · PAMR
    11.1 kmStraight-line distance
  • Ted Stevens Anchorage International AirportUnited States · ANC · PANC
    18.4 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-11-15

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.

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