M4.9 Earthquake near 285 km SSE of Katsuura, Japan

UTC time: 2025-09-13 00:17:55 UTC Local time: —

Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis. How our reports are produced ↗

Magnitude

M4.9

Depth: 10.0 km
Source: USGS

285 km SSE of Katsuura, Japan

Map

About this earthquake

A magnitude M4.9 earthquake was recorded near 285 km SSE of Katsuura, Japan on September 13, 2025 at 00:17 UTC. The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The data is provided by USGS and cross-checked across seismological networks.

Details

0b5aa5865344e21837b2c2ce6d71507d63250fed

Magnitude

M4.9

Depth

10.0 km

UTC time

2025-09-13 00:17:55 UTC

Local time

—

Country

—

Source

usgs

Coordinates

32.86700, 141.74320

Temperature

29.2°C

Depth profile

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

Hachijojima

Distance: 187 km ·Stratovolcano(es) ·Elevation: 854 m ·Last eruption: 1606 ·Japan
Aogashima

Distance: 191 km ·Stratovolcano ·Elevation: 423 m ·Last eruption: 1785 ·Japan
Kita-Bayonnaise

Distance: 197 km ·Caldera ·Elevation: -360 m ·Japan
Kurose Hole

Distance: 201 km ·Caldera ·Elevation: -114 m ·Japan
Myojinsho

Distance: 203 km ·Caldera ·Elevation: 11 m ·Last eruption: 1970 ·Japan
Sumisujima

Distance: 225 km ·Caldera ·Elevation: 136 m ·Last eruption: 1916 ·Japan

No unambiguous area assignment

Context for this earthquake

This event has no unambiguous country assignment in the analysed catalogue. It is therefore not assigned to a regional profile.

Earthquake overview

Stats (last 24h)

Global (24h)

505

Country (24h)

—

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