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M5.1 Earthquake

UTC time: 2026-04-20 08:33:38 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
M5.1
Depth
33.0 km
Source
NNSN

Earthquake location (39.681, 142.116)

Map

M5.1 Earthquake · 2026-04-20 — Map showing the location of the epicenter
M5.1 Earthquake · 2026-04-20 — Map showing the location of the epicenter

About this earthquake

On April 20, 2026 at 08:33 UTC, a magnitude M5.1 earthquake occurred near Earthquake location (39.681, 142.116). With a focal depth of about 33 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 NNSN.

Details

ID
1bd2ed37d70b5954b1cc33f75e07f5dbe7225710
Magnitude
M5.1
Depth
33.0 km
UTC time
2026-04-20 08:33:38 UTC
Local time
—
Country
—
Source
nnsn
Coordinates
39.68100, 142.11600

Depth profile

Depth profile Depth: 33 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 33 km
Shallow
33 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
Miyako15.5 kmW51'150
Morioka82.7 kmW290'700
Sendai190.8 kmSW1'096'704

GeoNames · CC BY 4.0

Volcanoes nearby

  • Iwatesan Activity reported
    Distance: 97 km ·Complex ·Elevation: 2'038 m ·Last eruption: 1919 ·Japan
  • Hachimantai
    Distance: 112 km ·Stratovolcano ·Elevation: 1'613 m ·Last eruption: -5350 ·Japan
  • Akita-Komagatake
    Distance: 113 km ·Stratovolcano(es) ·Elevation: 1'637 m ·Last eruption: 1971 ·Japan
  • Akita-Yakeyama
    Distance: 120 km ·Stratovolcano ·Elevation: 1'366 m ·Last eruption: 1997 ·Japan
  • Kurikomayama
    Distance: 139 km ·Stratovolcano ·Last eruption: 1950 ·Japan
  • Towada
    Distance: 140 km ·Caldera ·Elevation: 1'011 m ·Last eruption: 915 ·Japan

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Iwate Hanamaki AirportJapan · HNA · RJSI
    88.7 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-04

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 hours15
First 24 hours30
First 72 hours59
Strongest subsequent eventM6.7
M5.12026-04-20 09:49:42 UTC89.1 kmEvent of magnitude 5.1, near Sendai (Monde) M5.42026-04-20 09:49:43 UTC100.3 km M5.32026-04-20 09:49:43 UTC106.2 kmOff East Coast of Honshu, Japan M5.32026-04-20 09:49:46 UTC87.6 km M3.82026-04-20 10:00:32 UTC80.5 km M4.82026-04-20 10:37:31 UTC118.2 kmOFF EAST COAST OF HONSHU, JAPAN M4.82026-04-20 10:37:33 UTC121.4 kmOff East Coast of Honshu, Japan M5.32026-04-20 10:44:12 UTC108.3 kmOff East Coast of Honshu, Japan M5.02026-04-20 10:44:16 UTC99.4 km111 km E of Yamada, Japan M5.12026-04-20 12:56:45 UTC106.0 kmOFF EAST COAST OF HONSHU, JAPAN M5.12026-04-20 12:56:45 UTC114.6 km129 km E of Yamada, Japan M5.32026-04-20 12:56:46 UTC102.2 kmOff East Coast of Honshu, 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#178
Earlier events M≥4398
Earlier events M≥5226
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 UTC146.4 km M7.62026-04-20 07:52:57 UTC97.2 kmOff East Coast of Honshu, Japan M7.62025-12-08 14:15:09 UTC147.5 km84 km ENE of Misawa, Japan M7.52026-04-20 07:52:59 UTC87.6 kmOff east coast of Honshu, Japan [Sea: Japan] M7.52025-12-08 14:15:10 UTC147.8 kmHokkaido, Japan Region

Stats (last 24h)

Global (24h)
493
Country (24h)
—
—
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