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M5.4 Depth: 23.6 km

M5.4 Earthquake near 48 km ESE of Fox River, Alaska (United States)

UTC time: 2025-10-30 17:33:15 UTC Local time: —

About this earthquake

On October 30, 2025 at 17:33 UTC, a magnitude M5.4 earthquake occurred near 48 km ESE of Fox River, Alaska (United States). With a focal depth of about 24 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size can cause damage near the epicenter.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 170 earthquakes, the strongest at M3.9.

Details

Magnitude
M5.4
Depth
23.6 km
UTC time
2025-10-30 17:33:15 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
59.63080, -150.23280
Temperature
6.7°C

Map

Depth profile

Depth profile Depth: 23.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 23.6 km
Shallow
23.6 km
23.6 km — deeper 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
Anchorage177.4 kmN289'600

GeoNames · CC BY 4.0

Volcanoes nearby

  • Iliamna
    Distance: 166 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Redoubt
    Distance: 169 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Augustine
    Distance: 183 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Douglas
    Distance: 207 km ·Stratovolcano ·Elevation: 2'140 m ·United States
  • Spurr
    Distance: 216 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Fourpeaked
    Distance: 218 km ·Stratovolcano ·Elevation: 2'105 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 hours2
First 24 hours6
First 72 hours29
Strongest subsequent eventM4.2
M2.62025-10-30 17:38:56 UTC4.1 kmKenai Peninsula M2.02025-10-30 19:15:03 UTC6.0 km54 km ESE of Fox River, Alaska M3.12025-10-31 09:37:13 UTC9.2 km39 km SE of Fox River, Alaska M3.12025-10-31 09:37:13 UTC4.4 km M2.42025-10-31 15:53:37 UTC120.3 km M2.42025-10-31 15:53:38 UTC124.8 km28 km SW of Hope, Alaska M3.32025-10-31 18:26:01 UTC5.0 kmKenai Peninsula M3.22025-10-31 18:26:02 UTC5.6 km42 km ESE of Fox River, Alaska M2.02025-10-31 23:00:29 UTC104.2 km5 km ENE of Kalifornsky, Alaska M2.42025-10-31 23:49:35 UTC91.8 km10 km SE of Funny River, Alaska M2.02025-10-31 23:54:52 UTC95.8 km6 km SE of Funny River, Alaska M2.22025-11-01 00:02:40 UTC88.9 km8 km ENE of Ninilchik, Alaska

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#3
Earlier events M≥419
Earlier events M≥55
Compared since2025-04-26

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

Strongest earlier events

M5.72025-10-30 17:33:10 UTC18.9 kmKenai Peninsula, Alaska M5.62025-10-30 17:33:08 UTC33.8 kmKenai Peninsula, Alaska M5.42025-10-30 17:33:14 UTC3.7 km M5.42025-10-30 17:33:13 UTC17.9 kmKenai Peninsula M5.42025-10-30 17:33:10 UTC15.5 kmEvent of magnitude 5.4, near of Anchorage (Monde)

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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