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M5.6 Earthquake near OFF EAST COAST OF HONSHU, JAPAN

UTC time: 2026-04-20 08:32:43 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

M5.6

Depth: 2.2 km
Source: EMSC

OFF EAST COAST OF HONSHU, JAPAN

Map

About this earthquake

A magnitude M5.6 earthquake was recorded near OFF EAST COAST OF HONSHU, JAPAN on April 20, 2026 at 08:32 UTC. With a focal depth of about 2 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

2425f7ab415b6c7c6ceb211e3c9560ce74665f25

Magnitude

M5.6

Depth

2.2 km

UTC time

2026-04-20 08:32:43 UTC

Local time

—

Country

—

Source

emsc

Coordinates

39.64520, 143.19220

Temperature

9.8°C

Depth profile

Shallow

2.2 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

Miyako107.2 kmW51'150

Hachinohe172.5 kmNW239'046

Sendai252.8 kmSW1'096'704

GeoNames · CC BY 4.0

Volcanoes nearby

Iwatesan Activity reported

Distance: 189 km ·Complex ·Elevation: 2'038 m ·Last eruption: 1919 ·Japan
Hachimantai

Distance: 203 km ·Stratovolcano ·Elevation: 1'613 m ·Last eruption: -5350 ·Japan
Akita-Komagatake

Distance: 205 km ·Stratovolcano(es) ·Elevation: 1'637 m ·Last eruption: 1971 ·Japan
Akita-Yakeyama

Distance: 211 km ·Stratovolcano ·Elevation: 1'366 m ·Last eruption: 1997 ·Japan
Towada

Distance: 219 km ·Caldera ·Elevation: 1'011 m ·Last eruption: 915 ·Japan
Kurikomayama

Distance: 220 km ·Stratovolcano ·Last eruption: 1950 ·Japan

Subsequent earthquakes nearby

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

First 6 hours18

First 24 hours33

First 72 hours62

Strongest subsequent eventM6.7

M5.52026-04-20 08:32:45 UTC8.5 kmOff East Coast of Honshu, Japan M5.62026-04-20 08:32:47 UTC5.8 km113 km E of Miyako, Japan M5.12026-04-20 08:32:53 UTC130.5 kmEvent of magnitude 5.1, near Sendai (Monde) M5.12026-04-20 08:33:38 UTC92.2 km M5.12026-04-20 09:49:42 UTC34.0 kmEvent of magnitude 5.1, near Sendai (Monde) M5.42026-04-20 09:49:43 UTC17.7 km M5.32026-04-20 09:49:43 UTC21.0 kmOff East Coast of Honshu, Japan M3.82026-04-20 10:00:32 UTC33.9 km M4.82026-04-20 10:37:31 UTC29.8 kmOFF EAST COAST OF HONSHU, JAPAN M4.82026-04-20 10:37:33 UTC37.6 kmOff East Coast of Honshu, Japan M5.32026-04-20 10:44:12 UTC23.7 kmOff East Coast of Honshu, Japan M5.02026-04-20 10:44:16 UTC18.8 km111 km E of Yamada, 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#68

Earlier events M≥4370

Earlier events M≥5215

Compared since2025-01-05

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

Strongest earlier events

M7.62026-04-20 07:52:57 UTC48.6 kmOff East Coast of Honshu, Japan M7.52026-04-20 07:52:59 UTC4.6 kmOff east coast of Honshu, Japan [Sea: Japan] M7.42026-04-20 07:53:01 UTC36.4 km100 km ENE of Miyako, Japan M7.42026-04-20 07:52:59 UTC29.0 kmOff East Coast of Honshu, Japan M7.42026-04-20 07:52:58 UTC46.6 kmNEAR EAST COAST OF HONSHU, JAPAN

Stats (last 24h)

Global (24h)

499

Country (24h)

—

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