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M5.1 Depth: 10.0 km

M5.1 Earthquake near Central Alaska (United States)

UTC time: 2025-08-06 18:38:44 UTC Local time: —

About this earthquake

A magnitude M5.1 earthquake was recorded near Central Alaska (United States) on August 6, 2025 at 18:38 UTC. The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Earthquakes of this magnitude can damage poorly built structures.

The event was recorded by GFZ. United States: over the past 24 hours, QuakeMap24 logged 177 earthquakes, the strongest at M3.9.

Details

Magnitude
M5.1
Depth
10.0 km
UTC time
2025-08-06 18:38:44 UTC
Local time
—
Country
United States
City
Alaska
Source
gfz
Coordinates
62.25000, -152.59000
Temperature
11.4°C

Map

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 km
10 km — shallower than the regional average (15.9 km)
Regional average: 15.9 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

Nearby population centers

Distances are straight-line distances from the epicenter. Population data: GeoNames.

PlaceDistanceDirectionPopulation
Anchorage182.3 kmSE289'600

GeoNames · CC BY 4.0

Volcanoes nearby

  • Hayes
    Distance: 68 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 107 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 196 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 248 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Buzzard Creek
    Distance: 290 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Augustine
    Distance: 324 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States

Subsequent earthquakes nearby

Events recorded after this earthquake within 150 km. They are not automatically classified as aftershocks.

First 6 hours3
First 24 hours9
First 72 hours34
Strongest subsequent eventM4.9
M4.92025-08-06 18:38:55 UTC71.3 km M4.62025-08-06 18:38:57 UTC74.2 km23 km WSW of Petersville, Alaska M1.12025-08-07 00:24:13 UTC138.3 km35 km W of Tyonek, Alaska M1.12025-08-07 03:59:29 UTC146.9 km2 km SE of Willow, Alaska M1.42025-08-07 06:37:02 UTC97.3 km29 km ESE of Skwentna, Alaska M1.32025-08-07 09:37:46 UTC96.7 km28 km ESE of Skwentna, Alaska M1.82025-08-07 09:38:38 UTC105.3 km79 km WNW of Tyonek, Alaska M2.22025-08-07 14:29:21 UTC134.1 km32 km SE of Denali National Park, Alaska M1.62025-08-07 14:42:45 UTC102.6 km34 km ESE of Skwentna, Alaska M1.62025-08-08 00:07:01 UTC81.8 km71 km SSW of Denali National Park, Alaska M1.02025-08-08 00:28:39 UTC72.9 km61 km SW of Skwentna, Alaska M1.82025-08-08 01:47:59 UTC116.7 km51 km N of Petersville, Alaska

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#1
Earlier events M≥411
Earlier events M≥50
Compared since2025-02-05

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

M4.52025-07-03 22:40:12 UTC51.6 kmSouthern Alaska M4.52025-04-23 00:24:49 UTC139.7 km M4.42025-07-07 10:24:10 UTC128.3 kmCentral Alaska M4.32025-04-19 07:18:55 UTC134.0 km20 km W of Beluga, Alaska M4.12025-07-03 22:40:12 UTC61.8 km24 km SW of Skwentna, Alaska

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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