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M4.6 Depth: 484.0 km

M4.6 Earthquake near Bonin Islands, Japan Region

UTC time: 2025-12-17 12:01:02 UTC Local time: —

About this earthquake

On December 17, 2025 at 12:01 UTC, a magnitude M4.6 earthquake occurred near Bonin Islands, Japan Region. At roughly 484 km, the focus was very deep, so surface shaking tends to be weaker. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The event was recorded by GFZ.

Details

Magnitude
M4.6
Depth
484.0 km
UTC time
2025-12-17 12:01:02 UTC
Local time
—
Country
—
Source
gfz
Coordinates
27.55000, 139.86000
Temperature
21.0°C

Map

Depth profile

Depth profile Depth: 484 km (Deep) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 484 km
Deep
484 km
Why depth matters

Deep quakes are felt over very large areas but rarely cause surface damage.

Depth classes per USGS

Volcanoes nearby

  • Doyo Seamount
    Distance: 94 km ·Stratovolcano ·Elevation: -590 m ·Japan
  • Nishinoshima
    Distance: 106 km ·Caldera ·Elevation: 100 m ·Last eruption: 2023 ·Japan
  • Mokuyo Seamount
    Distance: 111 km ·Stratovolcano ·Elevation: -933 m ·Japan
  • Suiyo Seamount
    Distance: 137 km ·Stratovolcano ·Elevation: -991 m ·Japan
  • Kaikata Seamount
    Distance: 144 km ·Stratovolcano ·Elevation: -165 m ·Japan
  • Kaitoku Seamount
    Distance: 201 km ·Stratovolcano ·Elevation: -95 m ·Last eruption: 2023 ·Japan

Stats (last 24h)

Global (24h)
578
Country (24h)
—
—
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