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M5.5 Depth: 10.0 km

M5.5 Earthquake near Fox Islands, Aleutian Islands (United States)

UTC time: 2025-07-27 22:46:57 UTC Local time: —
M5.5 earthquake near Alaska on Jul 27, 2025 — map of epicenter and shaking intensity | QuakeMap24
M5.5 Earthquake near Fox Islands, Aleutian Islands (United States) · 2025-07-27 22:46:57 UTC

About this earthquake

On July 27, 2025 at 22:46 UTC, a magnitude M5.5 earthquake occurred near Fox Islands, Aleutian Islands (United States). The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Events of this size can cause damage near the epicenter.

The data is provided by GFZ and cross-checked across seismological networks. United States: 158 earthquakes were recorded in the past 24 hours, the strongest reaching M4.2.

Details

Magnitude
M5.5
Depth
10.0 km
UTC time
2025-07-27 22:46:57 UTC
Local time
—
Country
United States
City
Alaska
Source
gfz
Coordinates
53.93000, -166.60000
Temperature
14.8°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 (15.8 km)
Regional average: 15.8 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

  • Makushin
    Distance: 22 km ·Stratovolcano ·Elevation: 1'800 m ·Last eruption: 1995 ·United States
  • Akutan
    Distance: 46 km ·Stratovolcano ·Elevation: 1'303 m ·Last eruption: 1992 ·United States
  • Bogoslof
    Distance: 94 km ·Stratovolcano ·Elevation: 150 m ·Last eruption: 2017 ·United States
  • Okmok
    Distance: 115 km ·Shield ·Elevation: 1'073 m ·Last eruption: 2008 ·United States
  • Westdahl
    Distance: 143 km ·Stratovolcano? ·Elevation: 1'563 m ·Last eruption: 1992 ·United States
  • Recheschnoi
    Distance: 154 km ·Stratovolcano ·Elevation: 1'984 m ·United States

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#3
Earlier events M≥414
Earlier events M≥55
Compared since2025-01-14

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

Strongest earlier events

M5.62025-01-26 22:39:15 UTC81.6 km M5.62025-01-26 22:39:13 UTC89.7 km86 km SSW of Unalaska, Alaska M5.22025-01-21 11:55:04 UTC132.0 km M5.22025-01-21 11:55:03 UTC132.1 km126 km S of Unalaska, Alaska M5.12025-05-23 02:30:42 UTC137.1 kmUnimak Island Region, 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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