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Japan · Chiba Prefecture

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

UTC time: 2026-10-21 01:04:29 UTC Local time: —

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About this earthquake

On October 21, 2026 at 01:04 UTC, a magnitude M4.5 earthquake occurred near Funabashi, Chiba Prefecture (Japan). The earthquake originated at an intermediate depth of about 90 km. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The event was recorded by USGS.

Details

ID
a5b22f40fad9e57020be01b4187960a690ead982
Magnitude
M4.5
Depth
90.3 km
UTC time
2026-10-21 01:04:29 UTC
Local time
—
Country
Japan
State
Chiba Prefecture
City
Funabashi
Source
usgs
Coordinates
35.72450, 139.98360
Temperature
24.7°C

Depth profile

Depth profile Depth: 90.3 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 90.3 km
Intermediate
90.3 km
90.3 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

Estimated impact

4 Felt reports · max reported intensity 2.5

Tectonic context

Located on the Okhotsk Plate.
Near the boundary Okhotsk ↔ Philippine Sea · about 104 km away

Volcanoes nearby

  • Hakoneyama
    Distance: 103 km ·Complex ·Elevation: 1'438 m ·Last eruption: 2015 ·Japan
  • Akagisan
    Distance: 117 km ·Stratovolcano ·Elevation: 1'828 m ·Japan
  • Fujisan
    Distance: 121 km ·Stratovolcano ·Elevation: 3'776 m ·Last eruption: 1708 ·Japan
  • Izu-Tobu
    Distance: 122 km ·Pyroclastic cone(s) ·Elevation: 580 m ·Last eruption: 1989 ·Japan
  • Izu-Oshima
    Distance: 123 km ·Stratovolcano ·Elevation: 758 m ·Last eruption: 1990 ·Japan
  • Nantaisan
    Distance: 124 km ·Stratovolcano ·Elevation: 2'486 m ·Last eruption: -9540 ·Japan

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Tokyo Haneda International AirportJapan · HND · RJTT
    26.3 kmStraight-line distance
  • Narita International AirportJapan · NRT · RJAA
    36.9 kmStraight-line distance
  • Chofu AirportJapan · RJTF
    41.6 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

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Country statistics · Japan

Country overview
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Stats (last 24h)

Global (24h)
577
Country (24h)
Japan
1
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