Magnitude
M1.7
- Depth
- 46.7 km
- Source
- USGS
27 km NNW of Old Harbor, Alaska
Country overviewUnited States
M1.7 Earthquake near 27 km NNW of Old Harbor, Alaska (United States)
Map
About this earthquake
A magnitude M1.7 earthquake was recorded near 27 km NNW of Old Harbor, Alaska (United States) on April 28, 2025 at 22:50 UTC. With a focal depth of about 47 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.
The event was recorded by USGS. United States: 172 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.
Details
ID
fa29342255a8260b038adde8ea784b4e0f4bd2f0
Magnitude
M1.7
Depth
46.7 km
UTC time
2025-04-28 22:50:02 UTC
Local time
—
Country
Source
usgs
Coordinates
57.43300,
-153.48970
Temperature
2.5°C
Depth profile
Shallow
46.7 km
46.7 km — deeper than the regional average (15.3 km)
Regional average: 15.3 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
-
Snowy Mountain
-
Steller
-
Denison
-
Alaska Peninsula Arc at 155.4°W
-
Kukak
-
Katmai
Historic earthquake map · United States
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Country statistics · United States
View earthquake KPIs, strongest and latest events, and averages for this country.
Stats (last 24h)
Global (24h)
512
Country (24h)
United States
172
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