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Japan

M4.1 Earthquake near RYUKYU ISLANDS, JAPAN (Japan)

UTC time: 2025-12-30 08:48:30 UTC Local time: —

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About this earthquake

On December 30, 2025 at 08:48 UTC, a magnitude M4.1 earthquake occurred near RYUKYU ISLANDS, JAPAN (Japan). With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The data is provided by EMSC and cross-checked across seismological networks. Japan: over the past 24 hours, QuakeMap24 logged 4 earthquakes, the strongest at M4.4.

Details

ID
ab043151e181a37c8021b957799a11c14ba533e8
Magnitude
M4.1
Depth
10.0 km
UTC time
2025-12-30 08:48:30 UTC
Local time
—
Country
Japan
City
yi xian ting
Source
emsc
Coordinates
27.70000, 128.70000
Temperature
21.5°C

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 km
10 km — shallower than the regional average (33.6 km)
Regional average: 33.6 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: 51 km ·Complex ·Elevation: 212 m ·Last eruption: 1968 ·Japan
  • Yokoatejima
    Distance: 126 km ·Stratovolcano(es) ·Elevation: 495 m ·Last eruption: 1835 ·Japan
  • Akusekijima
    Distance: 215 km ·Stratovolcano(es) ·Elevation: 555 m ·Japan
  • Suwanosejima
    Distance: 237 km ·Stratovolcano(es) ·Elevation: 796 m ·Last eruption: 2026 ·Japan
  • Nakanoshima
    Distance: 265 km ·Stratovolcano(es) ·Elevation: 979 m ·Last eruption: 1914 ·Japan
  • Kuchinoshima
    Distance: 279 km ·Stratovolcano(es) ·Elevation: 628 m ·Last eruption: 1190 ·Japan

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Tokunoshima AirportJapan · TKN · RJKN
    23.4 kmStraight-line distance
  • Okinoerabu AirportJapan · OKE · RJKB
    29.8 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-05

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

Open history map
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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