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M3.8 Earthquake near NEAR EAST COAST OF HONSHU, JAPAN

UTC time: 2025-07-21 00:54:30 UTC Local time: —
Magnitude
M3.8
Depth
50.0 km
Source
EMSC

NEAR EAST COAST OF HONSHU, JAPAN

Map

About this earthquake

On July 21, 2025 at 00:54 UTC, a magnitude M3.8 earthquake occurred near NEAR EAST COAST OF HONSHU, JAPAN. With a focal depth of about 50 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Shaking of this size is frequently noticed but usually harmless.

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

Details

ID
76ef987d4cce675f0373f84ea13714796247bac8
Magnitude
M3.8
Depth
50.0 km
UTC time
2025-07-21 00:54:30 UTC
Local time
—
Country
—
Source
emsc
Coordinates
37.30000, 141.40000
Temperature
22.5°C

Depth profile

Depth profile Depth: 50 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 50 km
Shallow
50 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

  • Adatarayama
    Distance: 106 km ·Stratovolcano(es) ·Elevation: 1'728 m ·Last eruption: 1996 ·Japan
  • Azumayama
    Distance: 113 km ·Stratovolcano(es) ·Elevation: 1'949 m ·Last eruption: 1977 ·Japan
  • Bandaisan
    Distance: 122 km ·Stratovolcano ·Elevation: 1'816 m ·Last eruption: 1888 ·Japan
  • Zaozan [Zaosan]
    Distance: 126 km ·Complex ·Elevation: 1'841 m ·Last eruption: 1940 ·Japan
  • Nasudake
    Distance: 129 km ·Stratovolcano(es) ·Elevation: 1'915 m ·Last eruption: 1963 ·Japan
  • Takaharayama
    Distance: 151 km ·Stratovolcano ·Elevation: 1'795 m ·Last eruption: -4570 ·Japan

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Nuclear power plants

  • Fukushima Daini nuclear power plantJapanPermanently shut downReactor units at site: 4
    33.1 kmStraight-line distance
  • Fukushima Daiichi nuclear power plantJapanPermanently shut downReactor units at site: 6
    35.2 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)
484
Country (24h)
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