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M4.5 Depth: 53.0 km

M4.5 Earthquake near 33 km S of Adak, Alaska (United States)

UTC time: 2025-07-11 11:32:17 UTC Local time: —

About this earthquake

On July 11, 2025 at 11:32 UTC, a magnitude M4.5 earthquake occurred near 33 km S of Adak, Alaska (United States). With a focal depth of about 53 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Tremors of this size are distinctly felt and can occasionally cause light damage.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 201 earthquakes, the strongest at M3.7.

Details

Magnitude
M4.5
Depth
53.0 km
UTC time
2025-07-11 11:32:17 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
51.57380, -176.67150
Temperature
7.8°C

Map

Depth profile

Depth profile Depth: 53 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 53 km
Shallow
53 km
53 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

  • Moffett
    Distance: 41 km ·Stratovolcano ·Elevation: 1'196 m ·Last eruption: -1600 ·United States
  • Kanaga
    Distance: 52 km ·Stratovolcano ·Elevation: 1'307 m ·Last eruption: 2023 ·United States
  • Bobrof
    Distance: 65 km ·Stratovolcano ·Elevation: 738 m ·United States
  • Great Sitkin WATCH · ORANGE
    Distance: 67 km ·Stratovolcano ·Elevation: 1'740 m ·Last eruption: 2026 ·United States
  • Takawangha
    Distance: 98 km ·Stratovolcano ·Elevation: 1'449 m ·Last eruption: 1550 ·United States
  • Kasatochi
    Distance: 104 km ·Stratovolcano ·Elevation: 314 m ·Last eruption: 2008 ·United States

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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