Back to map
Japan · Chiba Prefecture

M4.5 Earthquake near Sosa, Chiba Prefecture (Japan)

UTC time: 2026-11-12 13:27:22 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded Content updated:

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

Map

About this earthquake

A magnitude M4.5 earthquake was recorded near Sosa, Chiba Prefecture (Japan) on November 12, 2026 at 13:27 UTC. The earthquake originated at an intermediate depth of about 73 km. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The event was recorded by USGS. Japan: 6 earthquakes were recorded in the past 24 hours, the strongest reaching M4.5.

Details

ID
fc6e431e5bd99edab29dfdee3ba57483c9bad7f7
Magnitude
M4.5
Depth
73.4 km
UTC time
2026-11-12 13:27:22 UTC
Local time
—
Country
Japan
State
Chiba Prefecture
City
Sosa
Source
usgs
Coordinates
35.73190, 140.51020
Temperature
16.2°C

Depth profile

Depth profile Depth: 73.4 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 73.4 km
Intermediate
73.4 km
73.4 km — deeper than the regional average (33.7 km)
Regional average: 33.7 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Felt reports

1felt reports at EMSC / LastQuake

Voluntary reports of feeling this earthquake. The count is not an intensity measurement and is not added to USGS DYFI reports.

Data updated: Nov 12, 2026, 1:36 PM UTC · Last checked: Nov 13, 2026, 3:07 AM UTC

Source: EMSC / LastQuake

Tectonic context

Located on the Okhotsk Plate.
Near the boundary Okhotsk ↔ Philippine Sea · about 121 km away

Volcanoes nearby

  • Takaharayama
    Distance: 146 km ·Stratovolcano ·Elevation: 1'795 m ·Last eruption: -4570 ·Japan
  • Hakoneyama
    Distance: 146 km ·Complex ·Elevation: 1'438 m ·Last eruption: 2015 ·Japan
  • Nantaisan
    Distance: 147 km ·Stratovolcano ·Elevation: 2'486 m ·Last eruption: -9540 ·Japan
  • Akagisan
    Distance: 150 km ·Stratovolcano ·Elevation: 1'828 m ·Japan
  • Izu-Oshima
    Distance: 151 km ·Stratovolcano ·Elevation: 758 m ·Last eruption: 1990 ·Japan
  • Omanago Group
    Distance: 151 km ·Lava dome(s) ·Elevation: 2'341 m ·Last eruption: -3050 ·Japan

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Narita International AirportJapan · NRT · RJAA
    11.7 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-11-12

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Chiba Prefecture

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 34 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