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Japan

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

UTC time: 2025-07-16 01:27:30 UTC Local time: —

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About this earthquake

On July 16, 2025 at 01:27 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. Tremors of this size are distinctly felt and can occasionally cause light damage.

The event was recorded by EMSC.

Details

ID
749406276e48f2676aa1b612afb7ba54e5b0dc5b
Magnitude
M4.0
Depth
20.0 km
UTC time
2025-07-16 01:27:30 UTC
Local time
—
Country
Japan
City
shi dao cun
Source
emsc
Coordinates
29.30000, 129.40000
Temperature
29.2°C

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 (33.7 km)
Regional average: 33.7 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

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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Country statistics · Japan

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Stats (last 24h)

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Country (24h)
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