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M4.2 Depth: 10.0 km

M4.2 Earthquake near 134 km SW of Nikolski, Alaska

UTC time: 2025-08-16 00:47:53 UTC Local time: —

About this earthquake

On August 16, 2025 at 00:47 UTC, a magnitude M4.2 earthquake occurred near 134 km SW of Nikolski, Alaska. The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. 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.

Details

Magnitude
M4.2
Depth
10.0 km
UTC time
2025-08-16 00:47:53 UTC
Local time
—
Country
—
Source
usgs
Coordinates
51.94990, -170.00750
Temperature
12.7°C

Map

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 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

  • Yunaska
    Distance: 88 km ·Shield ·Elevation: 550 m ·Last eruption: 1937 ·United States
  • Herbert
    Distance: 88 km ·Stratovolcano ·Elevation: 1'280 m ·United States
  • Cleveland
    Distance: 97 km ·Stratovolcano ·Elevation: 1'730 m ·Last eruption: 2020 ·United States
  • Tana
    Distance: 99 km ·Stratovolcano(es) ·Elevation: 1'170 m ·United States
  • Chagulak
    Distance: 103 km ·Stratovolcano ·Elevation: 1'028 m ·United States
  • Amukta
    Distance: 105 km ·Stratovolcano ·Elevation: 1'066 m ·Last eruption: 1996 ·United States

Stats (last 24h)

Global (24h)
593
Country (24h)
—
—
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