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Japan · Kagoshima Prefecture

M3.9 Earthquake near Wadomari, Kagoshima Prefecture (Japan)

UTC time: 2026-08-02 10:10:30 UTC Local time: —
Magnitude
M3.9
Depth
40.0 km
Source
EMSC

Kagoshima Prefecture · Wadomari

Country overview

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About this earthquake

On August 2, 2026 at 10:10 UTC, a magnitude M3.9 earthquake occurred near Wadomari, Kagoshima Prefecture (Japan). The hypocenter lay relatively close to the surface at around 40 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC. Japan: 4 earthquakes were recorded in the past 24 hours, the strongest reaching M4.1.

Details

ID
f601c98f62a07bc73b8b51cf8636a9723f099ece
Magnitude
M3.9
Depth
40.0 km
UTC time
2026-08-02 10:10:30 UTC
Local time
—
Country
Japan
State
Kagoshima Prefecture
City
Wadomari
County
Oshima County
Source
emsc
Coordinates
27.50000, 128.70000
Temperature
30.9°C

Depth profile

Depth profile Depth: 40 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 40 km
Shallow
40 km
40 km — close to the regional average (33.9 km)
Regional average: 33.9 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

  • Io-Torishima
    Distance: 63 km ·Complex ·Elevation: 212 m ·Last eruption: 1968 ·Japan
  • Yokoatejima
    Distance: 147 km ·Stratovolcano(es) ·Elevation: 495 m ·Last eruption: 1835 ·Japan
  • Akusekijima
    Distance: 235 km ·Stratovolcano(es) ·Elevation: 555 m ·Japan
  • Suwanosejima Activity reported
    Distance: 258 km ·Stratovolcano(es) ·Elevation: 796 m ·Last eruption: 2026 ·Japan
  • Nakanoshima
    Distance: 286 km ·Stratovolcano(es) ·Elevation: 979 m ·Last eruption: 1914 ·Japan
  • Kuchinoshima
    Distance: 299 km ·Stratovolcano(es) ·Elevation: 628 m ·Last eruption: 1190 ·Japan

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Okinoerabu AirportJapan · OKE · RJKB
    7.6 kmStraight-line distance
  • Tokunoshima AirportJapan · TKN · RJKN
    41.4 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-11-05

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

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 968 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

Historic earthquake map · Japan

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Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · Japan

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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