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M5.5 Depth: 44.4 km

M5.5 Earthquake near NEAR EAST COAST OF HONSHU, JAPAN

UTC time: 2025-08-29 16:29:21 UTC Local time: —

About this earthquake

On August 29, 2025 at 16:29 UTC, a magnitude M5.5 earthquake occurred near NEAR EAST COAST OF HONSHU, JAPAN. With a focal depth of about 44 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size can cause damage near the epicenter.

The event was recorded by EMSC.

Details

Magnitude
M5.5
Depth
44.4 km
UTC time
2025-08-29 16:29:21 UTC
Local time
—
Country
—
Source
emsc
Coordinates
38.36860, 142.16290
Temperature
26.5°C

Map

Depth profile

Depth profile Depth: 44.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 44.4 km
Shallow
44.4 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

Nearby population centers

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

PlaceDistanceDirectionPopulation
Ishinomaki75.4 kmW140'151
Sendai113.7 kmW1'096'704

GeoNames · CC BY 4.0

Volcanoes nearby

  • Naruko
    Distance: 131 km ·Caldera ·Elevation: 470 m ·Last eruption: 837 ·Japan
  • Kurikomayama
    Distance: 136 km ·Stratovolcano ·Elevation: 1'627 m ·Last eruption: 1950 ·Japan
  • Zaozan [Zaosan]
    Distance: 152 km ·Complex ·Elevation: 1'841 m ·Last eruption: 1940 ·Japan
  • Hijiori
    Distance: 176 km ·Caldera ·Elevation: 552 m ·Japan
  • Azumayama
    Distance: 182 km ·Stratovolcano(es) ·Elevation: 1'949 m ·Last eruption: 1977 ·Japan
  • Adatarayama
    Distance: 183 km ·Stratovolcano(es) ·Elevation: 1'728 m ·Last eruption: 1996 ·Japan

Subsequent earthquakes nearby

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

First 6 hours4
First 24 hours7
First 72 hours7
Strongest subsequent eventM5.2
M5.02025-08-29 16:50:54 UTC132.2 kmOff East Coast of Honshu, Japan M5.02025-08-29 16:51:01 UTC130.3 km61 km E of Tomioka, Japan M5.22025-08-29 16:51:03 UTC123.3 kmEvent of magnitude 5.2, near of Sendai (Monde) M3.92025-08-29 16:53:30 UTC128.7 kmNEAR EAST COAST OF HONSHU, JAPAN M5.02025-08-30 09:26:28 UTC117.3 kmNear East Coast of Honshu, Japan M5.12025-08-30 09:26:31 UTC133.8 kmEvent of magnitude 5.1, near of Sendai (Monde) M4.82025-08-30 09:26:37 UTC124.3 km4 km W of Yamada, Japan M4.32025-09-04 10:23:57 UTC108.5 kmNEAR EAST COAST OF HONSHU, JAPAN M4.52025-09-04 10:23:58 UTC108.5 km78 km ESE of Yamada, Japan M3.22025-09-05 04:01:30 UTC80.9 kmEASTERN HONSHU, JAPAN M3.92025-09-06 17:39:30 UTC85.8 kmNEAR EAST COAST OF HONSHU, JAPAN M3.82025-09-08 18:27:30 UTC128.7 kmNEAR EAST COAST OF HONSHU, JAPAN

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#6
Earlier events M≥462
Earlier events M≥516
Compared since2025-01-14

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

Strongest earlier events

M5.82025-08-29 16:29:16 UTC19.8 kmNear East Coast of Honshu, Japan M5.82025-08-21 22:34:46 UTC43.2 kmNear east coast of eastern Honshu, Japan [Sea: Japan] M5.72025-08-29 16:29:14 UTC52.0 kmNear East Coast of Honshu, Japan M5.72025-08-21 22:34:46 UTC38.4 km51 km SE of Ōfunato, Japan M5.62025-08-29 16:29:18 UTC21.3 kmEvent of magnitude 5.6, near of Sendai (Monde)

Stats (last 24h)

Global (24h)
657
Country (24h)
—
—
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