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Japan · Chiba Prefecture

M2.6 Earthquake near Mobara, Chiba Prefecture (Japan)

UTC time: 2026-10-27 11:50:00 UTC Local time: —

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About this earthquake

A magnitude M2.6 earthquake was recorded near Mobara, Chiba Prefecture (Japan) on October 27, 2026 at 11:50 UTC. With a focal depth of about 30 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by JMA and cross-checked across seismological networks. Japan: 5 earthquakes were recorded in the past 24 hours, the strongest reaching M3.0.

Details

ID
1e795815de7f1a79a8c3eb85c8763be5b15101b2
Magnitude
M2.6
Depth
30.0 km
UTC time
2026-10-27 11:50:00 UTC
Local time
—
Country
Japan
State
Chiba Prefecture
City
Mobara
Source
jma
Coordinates
35.40000, 140.30000
Temperature
16.7°C

Depth profile

Depth profile Depth: 30 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 30 km
Shallow
30 km
30 km — close to the regional average (33.8 km)
Regional average: 33.8 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

  • Izu-Oshima
    Distance: 112 km ·Stratovolcano ·Elevation: 758 m ·Last eruption: 1990 ·Japan
  • Hakoneyama
    Distance: 118 km ·Complex ·Elevation: 1'438 m ·Last eruption: 2015 ·Japan
  • Izu-Tobu
    Distance: 123 km ·Pyroclastic cone(s) ·Elevation: 580 m ·Last eruption: 1989 ·Japan
  • Toshima
    Distance: 135 km ·Stratovolcano ·Elevation: 508 m ·Last eruption: -4550 ·Japan
  • Fujisan
    Distance: 143 km ·Stratovolcano ·Elevation: 3'776 m ·Last eruption: 1708 ·Japan
  • Niijima
    Distance: 146 km ·Lava dome(s) ·Elevation: 432 m ·Last eruption: 886 ·Japan

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Narita International AirportJapan · NRT · RJAA
    41.8 kmStraight-line distance
  • Tokyo Haneda International AirportJapan · HND · RJTT
    49.3 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 ≥ 2.0 · 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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