M4.3 Depth: 40.0 km

M4.3 Earthquake near Choshi, Chiba Prefecture (Japan)

UTC time: 2026-07-17 19:45:30 UTC Local time: —

About this earthquake

A magnitude M4.3 earthquake was recorded near Choshi, Chiba Prefecture (Japan) on July 17, 2026 at 19:45 UTC. With a focal depth of about 40 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 event was recorded by EMSC.

Details

Magnitude

M4.3

Depth

40.0 km

UTC time

2026-07-17 19:45:30 UTC

Local time

—

Country

Japan

State

Chiba Prefecture

City

Choshi

Source

emsc

Coordinates

35.70000, 141.10000

Temperature

25.8°C

Map

Depth profile

Shallow

40 km

40 km — close to the regional average (35.9 km)

Regional average: 35.9 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

Takaharayama

Distance: 178 km ·Stratovolcano ·Elevation: 1'795 m ·Last eruption: -4570 ·Japan
Nantaisan

Distance: 187 km ·Stratovolcano ·Elevation: 2'486 m ·Last eruption: -9540 ·Japan
Nasudake

Distance: 188 km ·Stratovolcano(es) ·Elevation: 1'915 m ·Last eruption: 1963 ·Japan
Izu-Oshima

Distance: 189 km ·Stratovolcano ·Elevation: 758 m ·Last eruption: 1990 ·Japan
Omanago Group

Distance: 191 km ·Lava dome(s) ·Elevation: 2'341 m ·Last eruption: -3050 ·Japan
Hakoneyama

Distance: 195 km ·Complex ·Elevation: 1'438 m ·Last eruption: 2015 ·Japan

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.

Stats (last 24h)

Global (24h)

632

Country (24h)