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Japan · Chiba Prefecture

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

UTC time: 2026-07-16 00:01:09 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded

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

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About this earthquake

A magnitude M4.7 earthquake was recorded near Sosa, Chiba Prefecture (Japan) on July 16, 2026 at 00:01 UTC. With a focal depth of about 60 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Tremors of this size are distinctly felt and can occasionally cause light damage.

The data is provided by USGS and cross-checked across seismological networks. Japan: over the past 24 hours, QuakeMap24 logged 2 earthquakes, the strongest at M3.6.

Details

ID
bbc79ad0fcb32c7a62bb36aa1b66acf498b59cf4
Magnitude
M4.7
Depth
59.7 km
UTC time
2026-07-16 00:01:09 UTC
Local time
—
Country
Japan
State
Chiba Prefecture
City
Sosa
Source
usgs
Coordinates
35.72030, 140.53490
Temperature
25.4°C

Depth profile

Depth profile Depth: 59.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 59.7 km
Shallow
59.7 km
59.7 km — deeper than the regional average (33.7 km)
Regional average: 33.7 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

Estimated impact

2 Felt reports · max reported intensity 2.2

Tectonic context

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

Volcanoes nearby

  • Hakoneyama
    Distance: 147 km ·Complex ·Elevation: 1'438 m ·Last eruption: 2015 ·Japan
  • Takaharayama
    Distance: 148 km ·Stratovolcano ·Elevation: 1'795 m ·Last eruption: -4570 ·Japan
  • Nantaisan
    Distance: 149 km ·Stratovolcano ·Elevation: 2'486 m ·Last eruption: -9540 ·Japan
  • Izu-Oshima
    Distance: 152 km ·Stratovolcano ·Elevation: 758 m ·Last eruption: 1990 ·Japan
  • Akagisan
    Distance: 152 km ·Stratovolcano ·Elevation: 1'828 m ·Japan
  • Omanago Group
    Distance: 154 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
    14.2 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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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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