Back to map
Japan · Chiba Prefecture

M4.7 Earthquake near Kujukuri, Chiba Prefecture (Japan)

UTC time: 2026-10-11 16:24:25 UTC Local time: —

Map

About this earthquake

A magnitude M4.7 earthquake was recorded near Kujukuri, Chiba Prefecture (Japan) on October 11, 2026 at 16:24 UTC. The hypocenter lay relatively close to the surface at around 56 km, increasing how strongly it was felt. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The event was recorded by USGS. Japan: over the past 24 hours, QuakeMap24 logged 4 earthquakes, the strongest at M4.4.

Details

ID
d073c0e445888e11215fef4e0c424693c2087fb6
Magnitude
M4.7
Depth
55.8 km
UTC time
2026-10-11 16:24:25 UTC
Local time
—
Country
Japan
State
Chiba Prefecture
City
Kujukuri
County
Sanmu
Source
usgs
Coordinates
35.53010, 140.43770
Temperature
20.9°C

Depth profile

Depth profile Depth: 55.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 55.8 km
Shallow
55.8 km
55.8 km — deeper 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

Tectonic context

Located on the Okhotsk Plate.
Near the boundary Okhotsk ↔ Philippine Sea · about 98 km away

Volcanoes nearby

  • Izu-Oshima
    Distance: 131 km ·Stratovolcano ·Elevation: 758 m ·Last eruption: 1990 ·Japan
  • Hakoneyama
    Distance: 133 km ·Complex ·Elevation: 1'438 m ·Last eruption: 2015 ·Japan
  • Izu-Tobu
    Distance: 140 km ·Pyroclastic cone(s) ·Elevation: 580 m ·Last eruption: 1989 ·Japan
  • Toshima
    Distance: 154 km ·Stratovolcano ·Elevation: 508 m ·Last eruption: -4550 ·Japan
  • Fujisan
    Distance: 156 km ·Stratovolcano ·Elevation: 3'776 m ·Last eruption: 1708 ·Japan
  • Akagisan
    Distance: 160 km ·Stratovolcano ·Elevation: 1'828 m ·Japan

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Narita International AirportJapan · NRT · RJAA
    26.9 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

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