Back to map

M7.4 Earthquake near 100 km ENE of Miyako, Japan

UTC time: 2026-04-20 07:53:01 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.

Magnitude
M7.4
Depth
35.0 km
Source
NNSN

100 km ENE of Miyako, Japan

Map

M7.4 Earthquake near 100 km ENE of Miyako, Japan · 2026-04-20 — Map showing the location of the epicenter
M7.4 Earthquake near 100 km ENE of Miyako, Japan · 2026-04-20 — Map showing the location of the epicenter

About this earthquake

A magnitude M7.4 earthquake was recorded near 100 km ENE of Miyako, Japan on April 20, 2026 at 07:53 UTC. The hypocenter lay relatively close to the surface at around 35 km, increasing how strongly it was felt. Earthquakes of this magnitude are major events and can cause severe damage over a wide area.

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

Details

ID
8a183c81f212a47411e633d451cb58a92136ddea
Magnitude
M7.4
Depth
35.0 km
UTC time
2026-04-20 07:53:01 UTC
Local time
—
Country
—
Source
nnsn
Coordinates
39.95300, 143.04600

Depth profile

Depth profile Depth: 35 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 35 km
Shallow
35 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
Miyako100.4 kmW51'150
Hachinohe144.7 kmNW239'046
Sendai265.5 kmSW1'096'704

GeoNames · CC BY 4.0

Volcanoes nearby

  • Iwatesan Activity reported
    Distance: 175 km ·Complex ·Elevation: 2'038 m ·Last eruption: 1919 ·Japan
  • Hachimantai
    Distance: 187 km ·Stratovolcano ·Elevation: 1'613 m ·Last eruption: -5350 ·Japan
  • Akita-Komagatake
    Distance: 193 km ·Stratovolcano(es) ·Elevation: 1'637 m ·Last eruption: 1971 ·Japan
  • Towada
    Distance: 194 km ·Caldera ·Elevation: 1'011 m ·Last eruption: 915 ·Japan
  • Akita-Yakeyama
    Distance: 195 km ·Stratovolcano ·Elevation: 1'366 m ·Last eruption: 1997 ·Japan
  • Hakkodasan
    Distance: 200 km ·Stratovolcano(es) ·Elevation: 1'584 m ·Last eruption: 1550 ·Japan

Subsequent earthquakes nearby

Events recorded after this earthquake within 500 km. They are not automatically classified as aftershocks.

First 6 hours30
First 24 hours48
First 72 hours80
Strongest subsequent eventM6.7
M5.32026-04-20 08:03:08 UTC75.0 kmOFF EAST COAST OF HONSHU, JAPAN M4.12026-04-20 08:08:46 UTC204.0 km M5.22026-04-20 08:08:54 UTC28.5 kmNEAR EAST COAST OF HONSHU, JAPAN M3.92026-04-20 08:13:02 UTC359.1 km M4.12026-04-20 08:14:48 UTC32.4 km M4.42026-04-20 08:15:19 UTC94.2 km M4.12026-04-20 08:23:47 UTC204.0 km M4.32026-04-20 08:30:10 UTC32.4 km M4.82026-04-20 08:32:42 UTC226.8 km M5.72026-04-20 08:32:42 UTC182.6 km113 km E of Miyako, Japan M5.62026-04-20 08:32:43 UTC36.4 kmOFF EAST COAST OF HONSHU, JAPAN M5.52026-04-20 08:32:45 UTC44.8 kmOff East Coast of Honshu, Japan

Comparison of seismic sources

2 sources currently report magnitudes from M7.4 to M7.4.

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

SourceMagnitudeDepthPosition difference
SCEDCM7.435.0 km0.0 km
NNSNM7.435.0 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 500 km.

Magnitude rank#8
Earlier events M≥4980
Earlier events M≥5441
Compared since2025-01-05

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 UTC137.3 km M7.62026-04-20 07:52:57 UTC15.8 kmOff East Coast of Honshu, Japan M7.62025-12-08 14:15:12 UTC142.2 kmHOKKAIDO, JAPAN REGION M7.62025-12-08 14:15:10 UTC143.3 km74 km ENE of Misawa, Japan M7.62025-12-08 14:15:09 UTC132.4 km84 km ENE of Misawa, Japan

Stats (last 24h)

Global (24h)
511
Country (24h)
—
—
Current earthquakes in
Magnitude Place Local time
No recent events available.

Share