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Japan · Miyazaki Prefecture

M4.6 Earthquake near Kawaminami, Miyazaki Prefecture (Japan)

UTC time: 2026-09-18 01:07:30 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
M4.6
Depth
53.9 km
Source
USGS

Miyazaki Prefecture · Kawaminami

Country overview

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About this earthquake

A magnitude M4.6 earthquake was recorded near Kawaminami, Miyazaki Prefecture (Japan) on September 18, 2026 at 01:07 UTC. The hypocenter lay relatively close to the surface at around 54 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

ID
7329d4ab2028fd8be5d6bd66f3a19c7fb75d14e5
Magnitude
M4.6
Depth
53.9 km
UTC time
2026-09-18 01:07:30 UTC
Local time
—
Country
Japan
State
Miyazaki Prefecture
City
Kawaminami
County
Koyu County
Source
usgs
Coordinates
32.16160, 131.75400
Temperature
27.0°C

Depth profile

Depth profile Depth: 53.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 53.9 km
Shallow
53.9 km
53.9 km — deeper than the regional average (33.1 km)
Regional average: 33.1 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 Amur Plate.
Near the boundary Amur ↔ Okinawa · about 44 km away

Volcanoes nearby

  • Kirishimayama
    Distance: 88 km ·Shield ·Elevation: 1'700 m ·Last eruption: 2025 ·Japan
  • Asosan Activity reported
    Distance: 102 km ·Caldera ·Elevation: 1'592 m ·Last eruption: 2021 ·Japan
  • Kujusan
    Distance: 113 km ·Stratovolcano(es) ·Elevation: 1'791 m ·Last eruption: 1996 ·Japan
  • Yonemaru-Sumiyoshiike
    Distance: 118 km ·Maar(s) ·Elevation: 40 m ·Last eruption: -6200 ·Japan
  • Aira Activity reported
    Distance: 122 km ·Caldera ·Elevation: 1'117 m ·Last eruption: 2026 ·Japan
  • Yufu-Tsurumi
    Distance: 129 km ·Lava dome(s) ·Last eruption: 867 ·Japan

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Miyazaki AirportJapan · KMI · RJFM
    42.7 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-20

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Japan

Context for this earthquake

20 Sep 2025 – 20 Sep 2026 · M ≥ 3.0 · 951 Catalogue entries

Of 950 other entries for this area and period, 133 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historic earthquake map · Japan

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Country statistics · Japan

Country overview
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