Magnitude
M5.5
- Depth
- 10.9 km
- Source
- USGS
46 km NNW of Attu Station, Alaska
M5.5 Earthquake near 46 km NNW of Attu Station, Alaska
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded
Automatically generated from measurement data by QuakeMap24. Values may change after further analysis. How our reports are produced ↗
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About this earthquake
A magnitude M5.5 earthquake was recorded near 46 km NNW of Attu Station, Alaska on April 2, 2025 at 16:26 UTC. With a focal depth of about 11 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 event was recorded by USGS.
Details
ID
742f163d0a5de2470c380a9787c9542800d752a1
Magnitude
M5.5
Depth
10.9 km
UTC time
2025-04-02 16:26:34 UTC
Local time
—
Country
—
Source
usgs
Coordinates
53.22770,
172.89670
Depth profile
Shallow
10.9 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
Petropavlovsk-Kamchatskiy950.2 kmW181'216
GeoNames · CC BY 4.0
Volcanoes nearby
Subsequent earthquakes nearby
Events recorded after this earthquake within 150 km. They are not automatically classified as aftershocks.
First 6 hours1
First 24 hours1
First 72 hours2
Strongest subsequent eventM5.7
No unambiguous area assignment
Context for this earthquake
This event has no unambiguous country assignment in the analysed catalogue. It is therefore not assigned to a regional profile.
Earthquake overviewHistorical context nearby
Comparison with recorded earthquakes before this event within 150 km.
Magnitude rank#1
Earlier events M≥42
Earlier events M≥50
Compared since2025-01-31
The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.
Strongest earlier events
Stats (last 24h)
Global (24h)
642
Country (24h)
—
—
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