Back to map
M5.5 Depth: 10.0 km

M5.5 Earthquake near 20 km NNE of Wadomari, Japan (Japan)

UTC time: 2025-12-30 08:12:25 UTC Local time: —

About this earthquake

On December 30, 2025 at 08:12 UTC, a magnitude M5.5 earthquake occurred near 20 km NNE of Wadomari, 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 can damage poorly built structures.

The event was recorded by USGS. Japan: 10 earthquakes were recorded in the past 24 hours, the strongest reaching M5.7.

Details

Magnitude
M5.5
Depth
10.0 km
UTC time
2025-12-30 08:12:25 UTC
Local time
—
Country
Japan
City
he po ting
Source
usgs
Coordinates
27.54680, 128.74450
Temperature
21.5°C

Map

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 (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

Nearby population centers

Distances are straight-line distances from the epicenter. Population data: GeoNames.

PlaceDistanceDirectionPopulation
Naze116.5 kmNE41'365
Uruma157.0 kmSW125'303
Kagoshima479.9 kmN595'049

GeoNames · CC BY 4.0

Volcanoes nearby

  • Io-Torishima
    Distance: 63 km ·Complex ·Elevation: 212 m ·Last eruption: 1968 ·Japan
  • Yokoatejima
    Distance: 141 km ·Stratovolcano(es) ·Elevation: 495 m ·Last eruption: 1835 ·Japan
  • Akusekijima
    Distance: 229 km ·Stratovolcano(es) ·Elevation: 555 m ·Japan
  • Suwanosejima
    Distance: 251 km ·Stratovolcano(es) ·Elevation: 796 m ·Last eruption: 2026 ·Japan
  • Nakanoshima
    Distance: 279 km ·Stratovolcano(es) ·Elevation: 979 m ·Last eruption: 1914 ·Japan
  • Kuchinoshima
    Distance: 293 km ·Stratovolcano(es) ·Elevation: 628 m ·Last eruption: 1190 ·Japan

Subsequent earthquakes nearby

Events recorded after this earthquake within 150 km. They are not automatically classified as aftershocks.

First 6 hours7
First 24 hours9
First 72 hours13
Strongest subsequent eventM5.5
M5.42025-12-30 08:12:26 UTC10.3 kmRyukyu Islands, Japan M5.52025-12-30 08:12:27 UTC5.6 kmRyukyu Islands, Japan [Sea: Japan] M5.12025-12-30 08:12:35 UTC22.2 kmEvent of magnitude 5.1, near of Fukuoka (Monde) M3.12025-12-30 08:16:30 UTC17.6 kmRYUKYU ISLANDS, JAPAN M4.12025-12-30 08:23:30 UTC8.1 kmRYUKYU ISLANDS, JAPAN M3.42025-12-30 08:32:30 UTC17.6 kmRYUKYU ISLANDS, JAPAN M4.12025-12-30 08:48:30 UTC17.6 kmRYUKYU ISLANDS, JAPAN M3.62025-12-30 19:03:30 UTC17.6 kmRYUKYU ISLANDS, JAPAN M4.12025-12-31 07:43:30 UTC17.6 kmRYUKYU ISLANDS, JAPAN M3.02025-12-31 15:16:30 UTC8.1 kmRYUKYU ISLANDS, JAPAN M3.92025-12-31 15:42:30 UTC17.6 kmRYUKYU ISLANDS, JAPAN M3.72026-01-01 17:32:30 UTC8.1 kmRYUKYU ISLANDS, JAPAN

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#1
Earlier events M≥419
Earlier events M≥52
Compared since2025-01-07

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

M5.52025-12-30 08:12:24 UTC0.1 km20 km NNE of Wadomari, Japan M5.02025-08-06 00:56:41 UTC79.2 kmRYUKYU ISLANDS, JAPAN M4.92025-08-06 00:56:42 UTC91.3 kmRyukyu Islands, Japan M4.92025-02-17 04:04:17 UTC149.7 km58 km NW of Ie, Japan M4.82025-10-11 14:24:22 UTC111.3 kmRyukyu Islands, Japan

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.

Share