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M3.9 Earthquake near NEAR EAST COAST OF HONSHU, JAPAN

UTC time: 2026-09-18 21:15:30 UTC Local time: —
Magnitude
M3.9
Depth
40.0 km
Source
EMSC

NEAR EAST COAST OF HONSHU, JAPAN

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About this earthquake

A magnitude M3.9 earthquake was recorded near NEAR EAST COAST OF HONSHU, JAPAN on September 18, 2026 at 21:15 UTC. The hypocenter lay relatively close to the surface at around 40 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The data is provided by EMSC and cross-checked across seismological networks.

Details

ID
0470aba2e7cc5f2db9fad6ec937e57be1204c634
Magnitude
M3.9
Depth
40.0 km
UTC time
2026-09-18 21:15:30 UTC
Local time
—
Country
—
Source
emsc
Coordinates
36.20000, 141.00000
Temperature
22.6°C

Depth profile

Depth profile Depth: 40 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 40 km
Shallow
40 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: 134 km ·Stratovolcano ·Elevation: 1'795 m ·Last eruption: -4570 ·Japan
  • Nasudake
    Distance: 138 km ·Stratovolcano(es) ·Elevation: 1'915 m ·Last eruption: 1963 ·Japan
  • Nantaisan
    Distance: 149 km ·Stratovolcano ·Elevation: 2'486 m ·Last eruption: -9540 ·Japan
  • Omanago Group
    Distance: 152 km ·Lava dome(s) ·Elevation: 2'341 m ·Last eruption: -3050 ·Japan
  • Nikko-Shiranesan
    Distance: 160 km ·Shield ·Elevation: 2'578 m ·Last eruption: 1952 ·Japan
  • Akagisan
    Distance: 167 km ·Stratovolcano ·Elevation: 1'828 m ·Japan

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Nuclear power plants

  • Tokai nuclear power plantJapanUnder construction · Permanently shut downReactor units at site: 2
    43.3 kmStraight-line distance
  • Japan Power Demonstration Reactor nuclear power plantJapanPermanently shut downReactor units at site: 1Approximate location
    45.4 kmStraight-line distance

Source: Global Energy Monitor · Global Nuclear Power Tracker · Dataset date: 2026-08

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

No unambiguous area assignment

Context for this earthquake

This event has no unambiguous country assignment in the analysed catalogue. It is therefore not assigned to a regional profile.

Earthquake overview

Stats (last 24h)

Global (24h)
609
Country (24h)
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