Back to map

M4.8 Earthquake near 112 km S of Koshima, Japan

UTC time: 2026-10-03 06:05:21 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded Content updated:

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

Magnitude
M4.8
Depth
37.5 km
Source
USGS

112 km S of Koshima, Japan

Map

About this earthquake

On October 3, 2026 at 06:05 UTC, a magnitude M4.8 earthquake occurred near 112 km S of Koshima, Japan. With a focal depth of about 37 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 event was recorded by USGS.

Details

ID
6c8280dcb8fe8e4ea5400522b561e279cd307d1e
Magnitude
M4.8
Depth
37.5 km
UTC time
2026-10-03 06:05:21 UTC
Local time
—
Country
—
Source
usgs
Coordinates
29.22100, 130.61250
Temperature
27.5°C

Depth profile

Depth profile Depth: 37.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 37.5 km
Shallow
37.5 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

Tectonic context

Located on the Okinawa Plate.
Near the boundary Okinawa ↔ Philippine Sea · about 97 km away

Volcanoes nearby

  • Suwanosejima
    Distance: 99 km ·Stratovolcano(es) ·Elevation: 796 m ·Last eruption: 2026 ·Japan
  • Nakanoshima
    Distance: 102 km ·Stratovolcano(es) ·Elevation: 979 m ·Last eruption: 1914 ·Japan
  • Akusekijima
    Distance: 102 km ·Stratovolcano(es) ·Elevation: 555 m ·Japan
  • Kuchinoshima
    Distance: 106 km ·Stratovolcano(es) ·Elevation: 628 m ·Last eruption: 1190 ·Japan
  • Kuchinoerabujima
    Distance: 141 km ·Stratovolcano(es) ·Elevation: 657 m ·Last eruption: 2020 ·Japan
  • Yokoatejima
    Distance: 164 km ·Stratovolcano(es) ·Elevation: 495 m ·Last eruption: 1835 ·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)
623
Country (24h)
—
—
Current earthquakes in
Magnitude Place Local time
No recent events available.

Share