Back to map
Japan

M4.6 Earthquake near Tokyo (Japan)

UTC time: 2026-10-23 02:17:00 UTC Local time: —

Map

About this earthquake

A magnitude M4.6 earthquake was recorded near Tokyo (Japan) on October 23, 2026 at 02:17 UTC. 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 data is provided by JMA and cross-checked across seismological networks. Japan: 4 earthquakes were recorded in the past 24 hours, the strongest reaching M4.1.

Details

ID
81e4c70d693768b4bdef5e02dd6d2b75aa0569f9
Magnitude
M4.6
Depth
20.0 km
UTC time
2026-10-23 02:17:00 UTC
Local time
—
Country
Japan
City
Tokyo
County
Ogasawara Subprefecture
Village
Ogasawara
Source
jma
Coordinates
26.60000, 141.90000
Temperature
26.5°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 (33.9 km)
Regional average: 33.9 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

  • Kaitoku Seamount
    Distance: 95 km ·Stratovolcano ·Elevation: -95 m ·Last eruption: 2023 ·Japan
  • Kaikata Seamount
    Distance: 97 km ·Stratovolcano ·Elevation: -165 m ·Japan
  • Nishinoshima
    Distance: 124 km ·Caldera ·Elevation: 160 m ·Last eruption: 2023 ·Japan
  • Funka Asane
    Distance: 143 km ·Stratovolcano ·Elevation: -20 m ·Last eruption: 2022 ·Japan
  • Doyo Seamount
    Distance: 162 km ·Stratovolcano ·Elevation: -590 m ·Japan
  • Ioto
    Distance: 215 km ·Caldera ·Elevation: 172 m ·Last eruption: 2025 ·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

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