Magnitude
M6.1
- Depth
- 10.0 km
- Source
- GFZ
Alaska
Country overviewUnited States
M6.1 Earthquake near Rat Islands, Aleutian Islands (United States)
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded
Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.
Map
About this earthquake
On August 28, 2025 at 11:07 UTC, a magnitude M6.1 earthquake occurred near Rat Islands, Aleutian Islands (United States). With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size are considered strong and can be dangerous in inhabited regions.
The data is provided by GFZ and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 186 earthquakes, the strongest at M3.0.
Details
ID
a05c1593606ab41fc7bdb63a12bab4be3c79521a
Magnitude
M6.1
Depth
10.0 km
UTC time
2025-08-28 11:07:35 UTC
Local time
—
Country
City
Source
gfz
Coordinates
52.19000,
179.82000
Temperature
8.6°C
Depth profile
Shallow
10 km
10 km — shallower 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
Subsequent earthquakes nearby
Events recorded after this earthquake within 250 km. They are not automatically classified as aftershocks.
First 6 hours9
First 24 hours15
First 72 hours15
Strongest subsequent eventM5.9
M5.82025-08-28 11:07:47 UTC32.0 kmAlaska
M5.92025-08-28 11:07:48 UTC21.3 km241 km W of Adak, Alaska
M5.92025-08-28 11:07:48 UTC6.4 kmRAT ISLANDS, ALEUTIAN ISLANDS
M5.72025-08-28 11:07:48 UTC21.3 km241 km W of Adak, Alaska
M5.92025-08-28 11:07:48 UTC7.0 kmRat Islands
M5.52025-08-28 11:07:49 UTC31.4 kmAlaska
M5.72025-08-28 11:07:50 UTC7.7 kmEvent of magnitude 5.7, near of Anchorage (Monde)
M5.92025-08-28 11:07:50 UTC17.0 kmRat Islands, Aleutian Islands, United States [Sea: United States]
M5.32025-08-28 11:07:50 UTC15.7 kmRat Islands, Aleutian Islands
M5.22025-08-29 09:14:16 UTC74.9 kmAlaska
M5.42025-08-29 09:14:17 UTC39.1 kmRat Islands, Aleutian Islands
M5.52025-08-29 09:14:24 UTC65.9 km263 km W of Adak, Alaska
Alaska
Context for this earthquake
21 Sep 2025 – 21 Sep 2026 · M ≥ 3.0 · 653 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 profileHistorical context nearby
Comparison with recorded earthquakes before this event within 250 km.
Magnitude rank#1
Earlier events M≥435
Earlier events M≥518
Compared since2025-01-02
The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.
Strongest earlier events
M5.82025-06-29 07:13:46 UTC163.3 km
M5.42025-07-26 05:03:54 UTC106.2 kmRAT ISLANDS, ALEUTIAN ISLANDS
M5.42025-07-26 05:03:53 UTC111.3 kmRat Islands, Aleutian Islands, Alaska
M5.32025-07-26 23:09:39 UTC107.0 kmRat Islands, Aleutian Islands, Alaska
M5.32025-07-26 23:09:38 UTC100.6 kmRAT ISLANDS, ALEUTIAN ISLANDS
Historic earthquake map · United States
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
View earthquake KPIs, strongest and latest events, and averages for this country.
Stats (last 24h)
Global (24h)
659
Country (24h)
United States
186
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