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M4.4 Earthquake near 56 km SE of Onagawa Chō, Japan

UTC time: 2025-02-23 04:08:06 UTC Local time: —
Magnitude
M4.4
Depth
65.6 km
Source
USGS

56 km SE of Onagawa Chō, Japan

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About this earthquake

On February 23, 2025 at 04:08 UTC, a magnitude M4.4 earthquake occurred near 56 km SE of Onagawa Chō, Japan. With a focal depth of about 66 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
054390c2919004eb8c75b3bd08fc89e15db4c224
Magnitude
M4.4
Depth
65.6 km
UTC time
2025-02-23 04:08:06 UTC
Local time
—
Country
—
Source
usgs
Coordinates
38.03040, 141.81140

Depth profile

Depth profile Depth: 65.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 65.6 km
Shallow
65.6 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

  • Zaozan [Zaosan]
    Distance: 121 km ·Complex ·Elevation: 1'841 m ·Last eruption: 1940 ·Japan
  • Naruko
    Distance: 122 km ·Caldera ·Elevation: 470 m ·Last eruption: 837 ·Japan
  • Kurikomayama
    Distance: 137 km ·Stratovolcano ·Last eruption: 1950 ·Japan
  • Adatarayama
    Distance: 141 km ·Stratovolcano(es) ·Elevation: 1'728 m ·Last eruption: 1996 ·Japan
  • Azumayama
    Distance: 141 km ·Stratovolcano(es) ·Elevation: 1'949 m ·Last eruption: 1977 ·Japan
  • Hijiori
    Distance: 157 km ·Caldera ·Elevation: 552 m ·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
    49.2 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)
491
Country (24h)
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