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Japan · Chiba Prefecture

M3.4 Earthquake near Chiba, Chiba Prefecture (Japan)

UTC time: 2026-08-07 07:41:30 UTC Local time: —

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About this earthquake

On August 7, 2026 at 07:41 UTC, a magnitude M3.4 earthquake occurred near Chiba, Chiba Prefecture (Japan). The earthquake originated at an intermediate depth of about 70 km. Earthquakes of this magnitude are often felt but rarely cause damage.

The event was recorded by EMSC. Japan: 5 earthquakes were recorded in the past 24 hours, the strongest reaching M4.4.

Details

ID
707c5bbd559198b1b4caa1e5486b62260024279f
Magnitude
M3.4
Depth
70.0 km
UTC time
2026-08-07 07:41:30 UTC
Local time
—
Country
Japan
State
Chiba Prefecture
City
Chiba
Source
emsc
Coordinates
35.60000, 140.10000
Temperature
29.2°C

Depth profile

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

Volcanoes nearby

  • Hakoneyama
    Distance: 106 km ·Complex ·Elevation: 1'438 m ·Last eruption: 2015 ·Japan
  • Izu-Oshima
    Distance: 117 km ·Stratovolcano ·Elevation: 758 m ·Last eruption: 1990 ·Japan
  • Izu-Tobu
    Distance: 120 km ·Pyroclastic cone(s) ·Elevation: 580 m ·Last eruption: 1989 ·Japan
  • Fujisan
    Distance: 127 km ·Stratovolcano ·Elevation: 3'776 m ·Last eruption: 1708 ·Japan
  • Akagisan
    Distance: 134 km ·Stratovolcano ·Elevation: 1'828 m ·Japan
  • Nantaisan
    Distance: 141 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
    28.9 kmStraight-line distance
  • Narita International AirportJapan · NRT · RJAA
    32.1 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.

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