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M4.2 Depth: 20.0 km

M4.2 Earthquake near RYUKYU ISLANDS, JAPAN (Japan)

UTC time: 2025-06-23 03:33:30 UTC Local time: —

About this earthquake

A magnitude M4.2 earthquake was recorded near RYUKYU ISLANDS, JAPAN (Japan) on June 23, 2025 at 03:33 UTC. With a focal depth of about 20 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 data is provided by EMSC and cross-checked across seismological networks.

Details

Magnitude
M4.2
Depth
20.0 km
UTC time
2025-06-23 03:33:30 UTC
Local time
—
Country
Japan
City
shi dao cun
Source
emsc
Coordinates
29.30000, 129.20000
Temperature
29.1°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: 42 km ·Stratovolcano(es) ·Elevation: 555 m ·Japan
  • Yokoatejima
    Distance: 59 km ·Stratovolcano(es) ·Elevation: 495 m ·Last eruption: 1835 ·Japan
  • Suwanosejima
    Distance: 62 km ·Stratovolcano(es) ·Elevation: 796 m ·Last eruption: 2026 ·Japan
  • Nakanoshima
    Distance: 89 km ·Stratovolcano(es) ·Elevation: 979 m ·Last eruption: 1914 ·Japan
  • Kuchinoshima
    Distance: 102 km ·Stratovolcano(es) ·Elevation: 628 m ·Last eruption: 1190 ·Japan
  • Kuchinoerabujima
    Distance: 161 km ·Stratovolcano(es) ·Elevation: 657 m ·Last eruption: 2020 ·Japan

Historic earthquake map · Japan

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Country statistics · Japan

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

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