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M4.5 Depth: 35.9 km

M4.5 Earthquake near SOUTH OF ALASKA (United States)

UTC time: 2025-07-16 22:47:21 UTC Local time: —

About this earthquake

On July 16, 2025 at 22:47 UTC, a magnitude M4.5 earthquake occurred near SOUTH OF ALASKA (United States). With a focal depth of about 36 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 EMSC and cross-checked across seismological networks. United States: 209 earthquakes were recorded in the past 24 hours, the strongest reaching M4.7.

Details

Magnitude
M4.5
Depth
35.9 km
UTC time
2025-07-16 22:47:21 UTC
Local time
—
Country
United States
City
Alaska
Source
emsc
Coordinates
54.63790, -159.87960
Temperature
11.4°C

Map

Depth profile

Depth profile Depth: 35.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 35.9 km
Shallow
35.9 km
35.9 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

  • Dana
    Distance: 140 km ·Stratovolcano ·Elevation: 1'354 m ·Last eruption: -1890 ·United States
  • Stepovak Bay Group
    Distance: 142 km ·Volcanic field ·Elevation: 1'633 m ·United States
  • Kupreanof ADVISORY · YELLOW
    Distance: 153 km ·Stratovolcano ·Elevation: 1'895 m ·United States
  • Pavlof
    Distance: 155 km ·Stratovolcano ·Elevation: 2'493 m ·Last eruption: 2022 ·United States
  • Pavlof Sister
    Distance: 155 km ·Stratovolcano ·Elevation: 2'142 m ·United States
  • Emmons Lake Volcanic Center
    Distance: 159 km ·Caldera ·Elevation: 1'534 m ·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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