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M5.2 Earthquake near Near East Coast of Honshu, Japan

UTC time: 2025-08-21 22:34:49 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

Magnitude
M5.2
Depth
88.0 km
Source
USP

Near East Coast of Honshu, Japan

Map

M5.2 Earthquake near Near East Coast of Honshu, Japan · 2025-08-21 — Map showing the location of the epicenter
M5.2 Earthquake near Near East Coast of Honshu, Japan · 2025-08-21 — Map showing the location of the epicenter

About this earthquake

A magnitude M5.2 earthquake was recorded near Near East Coast of Honshu, Japan on August 21, 2025 at 22:34 UTC. At around 88 km, the focal depth places this among intermediate-depth events. Earthquakes of this magnitude can damage poorly built structures.

The event was recorded by USP.

Details

ID
777241e697b381d1847bf238072f1f181fd60b3c
Magnitude
M5.2
Depth
88.0 km
UTC time
2025-08-21 22:34:49 UTC
Local time
—
Country
—
Source
usp
Coordinates
38.50437, 142.12483

Depth profile

Depth profile Depth: 88 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 88 km
Intermediate
88 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Nearby population centers

Distances are straight-line distances from the epicenter. Population data: GeoNames.

PlaceDistanceDirectionPopulation
Kesennuma64.8 kmNW61'147
Ishinomaki72.5 kmW140'151
Sendai112.8 kmW1'096'704

GeoNames · CC BY 4.0

Volcanoes nearby

  • Naruko
    Distance: 123 km ·Caldera ·Elevation: 470 m ·Last eruption: 837 ·Japan
  • Kurikomayama
    Distance: 127 km ·Stratovolcano ·Last eruption: 1950 ·Japan
  • Zaozan [Zaosan]
    Distance: 152 km ·Complex ·Elevation: 1'841 m ·Last eruption: 1940 ·Japan
  • Hijiori
    Distance: 171 km ·Caldera ·Elevation: 552 m ·Japan
  • Iwatesan Activity reported
    Distance: 179 km ·Complex ·Elevation: 2'038 m ·Last eruption: 1919 ·Japan
  • Akita-Komagatake
    Distance: 181 km ·Stratovolcano(es) ·Elevation: 1'637 m ·Last eruption: 1971 ·Japan

Radius · 100 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
    55.6 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

Subsequent earthquakes nearby

Events recorded after this earthquake within 150 km. They are not automatically classified as aftershocks.

First 6 hours3
First 24 hours3
First 72 hours5
Strongest subsequent eventM6.0
M4.92025-08-21 23:06:10 UTC43.5 kmNear East Coast of Honshu, Japan M5.02025-08-21 23:06:18 UTC125.5 kmEvent of magnitude 5.0, near of Sendai (Monde) M4.52025-08-21 23:06:18 UTC30.4 km47 km SE of Ōfunato, Japan M3.72025-08-23 17:18:30 UTC26.5 kmNEAR EAST COAST OF HONSHU, JAPAN M3.62025-08-24 04:58:30 UTC121.8 kmNEAR EAST COAST OF HONSHU, JAPAN M3.32025-08-25 02:25:30 UTC45.3 kmNEAR EAST COAST OF HONSHU, JAPAN M4.02025-08-28 09:31:30 UTC36.3 kmNEAR EAST COAST OF HONSHU, JAPAN M5.72025-08-29 16:29:14 UTC60.7 kmNear East Coast of Honshu, Japan M5.82025-08-29 16:29:16 UTC24.1 kmNear East Coast of Honshu, Japan M5.62025-08-29 16:29:18 UTC10.6 kmEvent of magnitude 5.6, near of Sendai (Monde) M5.52025-08-29 16:29:19 UTC35.0 kmNear east coast of eastern Honshu, Japan [Sea: Japan] M5.52025-08-29 16:29:21 UTC15.5 kmNEAR EAST COAST OF HONSHU, JAPAN

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

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#7
Earlier events M≥454
Earlier events M≥59
Compared since2025-01-05

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

M5.82025-08-21 22:34:46 UTC27.9 kmNear east coast of eastern Honshu, Japan [Sea: Japan] M5.72025-08-21 22:34:46 UTC23.0 km51 km SE of Ōfunato, Japan M5.52025-08-21 22:34:46 UTC23.0 km M5.52025-08-21 22:34:41 UTC31.5 kmNear East Coast of Honshu, Japan M5.52025-06-14 10:46:56 UTC36.4 km

Stats (last 24h)

Global (24h)
484
Country (24h)
—
—
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