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M5.5 Earthquake near 57 km E of Mutsu, Japan

UTC time: 2026-08-01 02:48:01 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. How our reports are produced ↗

Magnitude
M5.5
Depth
82.3 km
Source
USGS

57 km E of Mutsu, Japan

Map

M5.5 Earthquake near 57 km E of Mutsu, Japan · 2026-08-01 — Map showing the location of the epicenter
M5.5 Earthquake near 57 km E of Mutsu, Japan · 2026-08-01 — Map showing the location of the epicenter

About this earthquake

On August 1, 2026 at 02:48 UTC, a magnitude M5.5 earthquake occurred near 57 km E of Mutsu, Japan. The earthquake originated at an intermediate depth of about 82 km. Events of this size can cause damage near the epicenter.

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

Details

ID
496c24aa81307ac7d32e717a6b5805d1e656c0f1
Magnitude
M5.5
Depth
82.3 km
UTC time
2026-08-01 02:48:01 UTC
Local time
—
Country
—
Source
usgs
Coordinates
41.35200, 141.89580
Temperature
18.9°C

Depth profile

Depth profile Depth: 82.3 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 82.3 km
Intermediate
82.3 km
Why depth matters

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

Depth classes per USGS

Estimated impact

Green No or minimal impact expected.
Estimated population exposed
IV 1'419'451
7 Felt reports · max reported intensity 3.8

Ground shaking

IV
Light · Intensity (MMI) IV
Felt by many, no damage.

Tectonic context

Located on the Okhotsk Plate.
Near the boundary Pacific ↔ Okhotsk · about 222 km away

Nearby population centers

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

PlaceDistanceDirectionPopulation
Mutsu57.1 kmW56'244
Hachinohe100.4 kmS239'046
Sapporo195.9 kmN1'973'832

GeoNames · CC BY 4.0

Volcanoes nearby

  • Osorezan
    Distance: 65 km ·Stratovolcano ·Elevation: 878 m ·Last eruption: 1787 ·Japan
  • Esan
    Distance: 79 km ·Lava dome(s) ·Elevation: 617 m ·Last eruption: 1874 ·Japan
  • Hakkodasan
    Distance: 115 km ·Stratovolcano(es) ·Elevation: 1'584 m ·Last eruption: 1550 ·Japan
  • Towada
    Distance: 127 km ·Caldera ·Elevation: 1'011 m ·Last eruption: 915 ·Japan
  • Hokkaido-Komagatake
    Distance: 128 km ·Stratovolcano ·Elevation: 1'131 m ·Last eruption: 2000 ·Japan
  • Kuttara
    Distance: 141 km ·Stratovolcano(es) ·Elevation: 549 m ·Last eruption: 1820 ·Japan

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Misawa Airport / Misawa Air BaseJapan · MSJ · RJSM
    84.6 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-06

Nuclear power plants

  • Higashidori (Tohoku) nuclear power plantJapanOut of operationReactor units at site: 1
    46.0 kmStraight-line distance
  • Higashidori (Tepco) nuclear power plantJapanOut of operationReactor units at site: 1
    46.7 kmStraight-line distance
  • Ohma nuclear power plantJapanUnder constructionReactor units at site: 1
    83.8 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 hours0
First 24 hours1
First 72 hours3
Strongest subsequent eventM6.0
M4.82026-08-02 00:45:40 UTC128.4 km64 km ENE of Noda, Japan M5.02026-08-02 14:49:46 UTC142.6 kmUrakawa M3.72026-08-03 05:30:30 UTC92.8 kmUrakawa M3.82026-08-04 08:06:30 UTC121.8 kmNEAR EAST COAST OF HONSHU, JAPAN M3.92026-08-07 05:05:30 UTC127.5 kmNEAR EAST COAST OF HONSHU, JAPAN M3.72026-08-07 21:29:30 UTC106.2 kmHirono M5.52026-08-08 17:57:55 UTC139.9 kmNear East Coast of Honshu, Japan M5.42026-08-08 17:58:02 UTC98.8 kmHachinohe M3.92026-08-08 18:56:30 UTC145.6 kmNEAR EAST COAST OF HONSHU, JAPAN M4.52026-08-11 21:45:55 UTC37.9 kmHOKKAIDO, JAPAN REGION M4.92026-08-14 13:42:53 UTC143.4 kmNear East Coast of Honshu, Japan M3.12026-08-14 23:13:30 UTC32.4 kmHOKKAIDO, JAPAN REGION

Comparison of seismic sources

3 sources currently report magnitudes from M5.5 to M5.7.

Measurements can differ because agencies use different networks and calculation methods. Values may be revised.

SourceMagnitudeDepthPosition difference
EMSCM5.740.0 km33.5 km
GFZM5.787.0 km37.3 km
USGSM5.582.3 km0.0 km

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#58
Earlier events M≥4327
Earlier events M≥5158
Compared since2025-01-07

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

Strongest earlier events

M7.72025-12-08 14:15:13 UTC46.1 km M7.62025-12-08 14:15:12 UTC41.1 kmHOKKAIDO, JAPAN REGION M7.62025-12-08 14:15:10 UTC40.1 km74 km ENE of Misawa, Japan M7.62025-12-08 14:15:09 UTC51.7 km84 km ENE of Misawa, Japan M7.52026-06-24 22:30:10 UTC122.9 kmNear East Coast of Honshu, Japan

Stats (last 24h)

Global (24h)
510
Country (24h)
—
—
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