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M4.4 Earthquake near 46 km ENE of Onagawa Chō, Japan

UTC time: 2025-09-15 04:34:47 UTC Local time: —
Magnitude
M4.4
Depth
62.1 km
Source
USGS

46 km ENE of Onagawa Chō, Japan

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About this earthquake

On September 15, 2025 at 04:34 UTC, a magnitude M4.4 earthquake occurred near 46 km ENE of Onagawa Chō, Japan. With a focal depth of about 62 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

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

Details

ID
1840f10ae87772afae46673ab0e720a05b242994
Magnitude
M4.4
Depth
62.1 km
UTC time
2025-09-15 04:34:47 UTC
Local time
—
Country
—
Source
usgs
Coordinates
38.53380, 141.97470
Temperature
24.0°C

Depth profile

Depth profile Depth: 62.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 62.1 km
Shallow
62.1 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

  • Naruko
    Distance: 110 km ·Caldera ·Elevation: 470 m ·Last eruption: 837 ·Japan
  • Kurikomayama
    Distance: 113 km ·Stratovolcano ·Last eruption: 1950 ·Japan
  • Zaozan [Zaosan]
    Distance: 141 km ·Complex ·Elevation: 1'841 m ·Last eruption: 1940 ·Japan
  • Hijiori
    Distance: 158 km ·Caldera ·Elevation: 552 m ·Japan
  • Iwatesan Activity reported
    Distance: 169 km ·Complex ·Elevation: 2'038 m ·Last eruption: 1919 ·Japan
  • Akita-Komagatake
    Distance: 170 km ·Stratovolcano(es) ·Elevation: 1'637 m ·Last eruption: 1971 ·Japan

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Nuclear power plants

  • Onagawa nuclear power plantJapanOut of operation · Operating at dataset date · Permanently shut downReactor units at site: 3
    43.9 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)
519
Country (24h)
—
—
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