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M4.0 Depth: 20.0 km

M4.0 Earthquake near RYUKYU ISLANDS, JAPAN (Japan)

UTC time: 2025-06-29 07:56:30 UTC Local time: —

About this earthquake

On June 29, 2025 at 07:56 UTC, a magnitude M4.0 earthquake occurred near RYUKYU ISLANDS, JAPAN (Japan). The hypocenter lay relatively close to the surface at around 20 km, increasing how strongly it was felt. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The event was recorded by EMSC. Japan: over the past 24 hours, QuakeMap24 logged 4 earthquakes, the strongest at M3.8.

Details

Magnitude
M4.0
Depth
20.0 km
UTC time
2025-06-29 07:56:30 UTC
Local time
—
Country
Japan
City
shi dao cun
Source
emsc
Coordinates
29.30000, 129.40000
Temperature
29.3°C

Map

Depth profile

Depth profile Depth: 20 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 20 km
Shallow
20 km
20 km — shallower than the regional average (35.3 km)
Regional average: 35.3 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

  • Akusekijima
    Distance: 26 km ·Stratovolcano(es) ·Elevation: 555 m ·Japan
  • Suwanosejima
    Distance: 48 km ·Stratovolcano(es) ·Elevation: 796 m ·Last eruption: 2026 ·Japan
  • Yokoatejima
    Distance: 68 km ·Stratovolcano(es) ·Elevation: 495 m ·Last eruption: 1835 ·Japan
  • Nakanoshima
    Distance: 76 km ·Stratovolcano(es) ·Elevation: 979 m ·Last eruption: 1914 ·Japan
  • Kuchinoshima
    Distance: 90 km ·Stratovolcano(es) ·Elevation: 628 m ·Last eruption: 1190 ·Japan
  • Kuchinoerabujima
    Distance: 150 km ·Stratovolcano(es) ·Elevation: 657 m ·Last eruption: 2020 ·Japan

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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