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M5.7 Depth: 50.0 km

M5.7 Earthquake near 51 km SE of Ōfunato, Japan

UTC time: 2025-08-21 22:34:46 UTC Local time: —

About this earthquake

On August 21, 2025 at 22:34 UTC, a magnitude M5.7 earthquake occurred near 51 km SE of Ōfunato, Japan. With a focal depth of about 50 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude can damage poorly built structures.

The event was recorded by USGS.

Details

Magnitude
M5.7
Depth
50.0 km
UTC time
2025-08-21 22:34:46 UTC
Local time
—
Country
—
Source
usgs
Coordinates
38.70890, 142.08830
Temperature
25.9°C

Map

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

Nearby population centers

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

PlaceDistanceDirectionPopulation
Kesennuma49.2 kmNW61'147
Ishinomaki75.9 kmSW140'151
Sendai117.1 kmSW1'096'704

GeoNames · CC BY 4.0

Volcanoes nearby

  • Kurikomayama
    Distance: 116 km ·Stratovolcano ·Elevation: 1'627 m ·Last eruption: 1950 ·Japan
  • Naruko
    Distance: 118 km ·Caldera ·Elevation: 470 m ·Last eruption: 837 ·Japan
  • Zaozan [Zaosan]
    Distance: 157 km ·Complex ·Elevation: 1'841 m ·Last eruption: 1940 ·Japan
  • Iwatesan
    Distance: 158 km ·Complex ·Elevation: 2'038 m ·Last eruption: 1919 ·Japan
  • Akita-Komagatake
    Distance: 161 km ·Stratovolcano(es) ·Elevation: 1'637 m ·Last eruption: 1971 ·Japan
  • Hijiori
    Distance: 168 km ·Caldera ·Elevation: 552 m ·Japan

Subsequent earthquakes nearby

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

First 6 hours4
First 24 hours4
First 72 hours6
Strongest subsequent eventM6.0
M5.22025-08-21 22:34:49 UTC23.0 kmNear East Coast of Honshu, Japan M4.92025-08-21 23:06:10 UTC31.3 kmNear East Coast of Honshu, Japan M5.02025-08-21 23:06:18 UTC107.7 kmEvent of magnitude 5.0, near of Sendai (Monde) M4.52025-08-21 23:06:18 UTC8.1 km47 km SE of Ōfunato, Japan M3.72025-08-23 17:18:30 UTC18.4 kmNEAR EAST COAST OF HONSHU, JAPAN M3.62025-08-24 04:58:30 UTC99.1 kmNEAR EAST COAST OF HONSHU, JAPAN M3.32025-08-25 02:25:30 UTC22.6 kmNEAR EAST COAST OF HONSHU, JAPAN M4.02025-08-28 09:31:30 UTC51.9 kmNEAR EAST COAST OF HONSHU, JAPAN M5.72025-08-29 16:29:14 UTC76.5 kmNear East Coast of Honshu, Japan M5.82025-08-29 16:29:16 UTC40.9 kmNear East Coast of Honshu, Japan M5.62025-08-29 16:29:18 UTC22.9 kmEvent of magnitude 5.6, near of Sendai (Monde) M5.52025-08-29 16:29:19 UTC51.7 kmNear east coast of eastern Honshu, Japan [Sea: Japan]

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#1
Earlier events M≥452
Earlier events M≥56
Compared since2025-01-05

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

Strongest earlier events

M5.52025-08-21 22:34:41 UTC13.2 kmNear East Coast of Honshu, Japan M5.52025-06-14 10:46:56 UTC58.7 km M5.42025-08-21 22:34:42 UTC20.3 kmEvent of magnitude 5.4, near of Sendai (Monde) M5.22025-02-12 21:04:27 UTC65.3 kmNear East Coast of Honshu, Japan M5.12025-06-14 10:46:54 UTC45.7 kmNear East Coast of Honshu, Japan

Stats (last 24h)

Global (24h)
658
Country (24h)
—
—
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