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M5.1 Earthquake near Eastern Honshu, Japan

UTC time: 2026-04-18 04:20:05 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
10.0 km
Source
GFZ

Eastern Honshu, Japan

Map

M5.1 Earthquake near Eastern Honshu, Japan · 2026-04-18 — Map showing the location of the epicenter
M5.1 Earthquake near Eastern Honshu, Japan · 2026-04-18 — Map showing the location of the epicenter

About this earthquake

A magnitude M5.1 earthquake was recorded near Eastern Honshu, Japan on April 18, 2026 at 04:20 UTC. With a focal depth of about 10 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 GFZ.

Details

ID
9b0de7737f9bd58b000630a7e4a335fb5f3766d3
Magnitude
M5.1
Depth
10.0 km
UTC time
2026-04-18 04:20:05 UTC
Local time
—
Country
—
Source
gfz
Coordinates
36.59000, 137.97000
Temperature
14.9°C

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 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
Chikuma12.8 kmSE59'381
Nagano20.2 kmE372'760
Hachiōji159.9 kmSE579'355

GeoNames · CC BY 4.0

Volcanoes nearby

  • Midagahara
    Distance: 34 km ·Stratovolcano ·Elevation: 2'621 m ·Last eruption: 1839 ·Japan
  • Myokosan
    Distance: 36 km ·Stratovolcano ·Elevation: 2'454 m ·Last eruption: -750 ·Japan
  • Niigata-Yakeyama
    Distance: 37 km ·Lava dome ·Elevation: 2'400 m ·Last eruption: 1998 ·Japan
  • Kusatsu-Shiranesan
    Distance: 50 km ·Stratovolcano(es) ·Elevation: 2'165 m ·Last eruption: 2018 ·Japan
  • Shiga
    Distance: 50 km ·Shield(s) ·Elevation: 2'041 m ·Japan
  • Yakedake
    Distance: 53 km ·Stratovolcano(es) ·Elevation: 2'455 m ·Last eruption: 1995 ·Japan

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Shinshu-Matsumoto AirportJapan · MMJ · RJAF
    47.2 kmStraight-line distance
  • Toyama Kitokito AirportJapan · TOY · RJNT
    70.1 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-05

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 hours5
First 24 hours6
First 72 hours6
Strongest subsequent eventM5.2
M5.12026-04-18 05:54:29 UTC79.9 km M4.92026-04-18 05:54:30 UTC7.8 kmda ting shi M5.22026-04-18 05:54:31 UTC16.8 kmEastern Honshu, Japan M3.22026-04-18 06:33:30 UTC6.3 kmda ting shi M3.02026-04-18 08:47:30 UTC11.8 kmda ting shi M3.72026-04-18 15:46:30 UTC79.7 kmNEAR WEST COAST OF HONSHU, JAPAN M3.12026-04-21 15:29:30 UTC6.3 kmda ting shi M4.12026-04-22 17:42:30 UTC6.3 kmEASTERN HONSHU, JAPAN M3.52026-04-23 14:39:30 UTC112.9 kmzuo du shi M3.22026-04-26 22:45:30 UTC6.3 kmEASTERN HONSHU, JAPAN M3.42026-04-29 07:45:30 UTC6.3 kmEASTERN HONSHU, JAPAN M3.02026-05-02 06:29:30 UTC11.8 kmEASTERN 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#7
Earlier events M≥447
Earlier events M≥515
Compared since2025-01-22

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

Strongest earlier events

M5.32026-02-13 04:58:33 UTC95.9 km M5.22025-12-14 19:03:37 UTC128.1 kmNear West Coast of Honshu, Japan M5.22025-12-14 14:26:55 UTC117.4 kmNear West Coast of Honshu, Japan M5.22025-04-18 11:19:28 UTC12.3 km1 km ENE of Ōmachi, Japan M5.22026-03-15 05:06:06 UTC122.1 kmEvent of magnitude 5.2, near of Tokyo (Monde)

Stats (last 24h)

Global (24h)
624
Country (24h)
—
—
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