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M4.7 Depth: 59.0 km

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

UTC time: 2026-06-26 04:00:09 UTC Local time: —

About this earthquake

A magnitude M4.7 earthquake was recorded near Asahi, Chiba Prefecture (Japan) on June 26, 2026 at 04:00 UTC. With a focal depth of about 59 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 GFZ and cross-checked across seismological networks. Japan: 14 earthquakes were recorded in the past 24 hours, the strongest reaching M5.9.

Details

Magnitude
M4.7
Depth
59.0 km
UTC time
2026-06-26 04:00:09 UTC
Local time
—
Country
Japan
State
Chiba Prefecture
City
Asahi
Source
gfz
Coordinates
35.68000, 140.65000
Temperature
23.7°C

Map

Depth profile

Depth profile Depth: 59 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 59 km
Shallow
59 km
59 km — deeper than the regional average (35.4 km)
Regional average: 35.4 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

Tectonic context

Located on the Okhotsk Plate.
Near the boundary Okhotsk ↔ Philippine Sea · about 118 km away

Volcanoes nearby

  • Hakoneyama
    Distance: 156 km ·Complex ·Elevation: 1'438 m ·Last eruption: 2015 ·Japan
  • Izu-Oshima
    Distance: 156 km ·Stratovolcano ·Elevation: 746 m ·Last eruption: 1990 ·Japan
  • Takaharayama
    Distance: 157 km ·Stratovolcano ·Elevation: 1'795 m ·Last eruption: -4570 ·Japan
  • Nantaisan
    Distance: 159 km ·Stratovolcano ·Elevation: 2'486 m ·Last eruption: -9540 ·Japan
  • Akagisan
    Distance: 163 km ·Stratovolcano ·Elevation: 1'828 m ·Japan
  • Omanago Group
    Distance: 164 km ·Lava dome(s) ·Elevation: 2'341 m ·Last eruption: -3050 ·Japan

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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