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Japan · Chiba Prefecture

M5.4 Earthquake near Tako, Chiba Prefecture (Japan)

UTC time: 2026-06-26 03:46:33 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.

Map

M5.4 Earthquake near Tako, Chiba Prefecture (Japan) · 2026-06-26 — Map showing the location of the epicenter
M5.4 Earthquake near Tako, Chiba Prefecture (Japan) · 2026-06-26 — Map showing the location of the epicenter

About this earthquake

On June 26, 2026 at 03:46 UTC, a magnitude M5.4 earthquake occurred near Tako, Chiba Prefecture (Japan). The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Events of this size can cause damage near the epicenter.

The data is provided by RESIF and cross-checked across seismological networks. Japan: 2 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Details

ID
c19b41b698be9449c9186baade95386e7f169980
Magnitude
M5.4
Depth
10.0 km
UTC time
2026-06-26 03:46:33 UTC
Local time
—
Country
Japan
State
Chiba Prefecture
City
Tako
County
Katori
Source
resif
Coordinates
35.80351, 140.44930
Temperature
25.7°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
10 km — shallower than the regional average (33.2 km)
Regional average: 33.2 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

Estimated impact

Green No or minimal impact expected.
Estimated population exposed
IV 37'244'608
V 87'953
43 Felt reports · max reported intensity 4.3

Ground shaking

V
Moderate · Intensity (MMI) V
Felt by all, slight damage possible.

Tectonic context

Located on the Okhotsk Plate.
Near the boundary Okhotsk ↔ Philippine Sea · about 128 km away

Nearby population centers

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

PlaceDistanceDirectionPopulation
Sawara10.0 kmNE47'199
Narita12.2 kmW132'906
Chiba37.6 kmSW979'768

GeoNames · CC BY 4.0

Volcanoes nearby

  • Takaharayama
    Distance: 136 km ·Stratovolcano ·Elevation: 1'795 m ·Last eruption: -4570 ·Japan
  • Nantaisan
    Distance: 137 km ·Stratovolcano ·Elevation: 2'486 m ·Last eruption: -9540 ·Japan
  • Akagisan
    Distance: 141 km ·Stratovolcano ·Elevation: 1'828 m ·Japan
  • Omanago Group
    Distance: 142 km ·Lava dome(s) ·Elevation: 2'341 m ·Last eruption: -3050 ·Japan
  • Hakoneyama
    Distance: 144 km ·Complex ·Elevation: 1'438 m ·Last eruption: 2015 ·Japan
  • Nikko-Shiranesan
    Distance: 147 km ·Shield ·Elevation: 2'578 m ·Last eruption: 1952 ·Japan

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Narita International AirportJapan · NRT · RJAA
    6.7 kmStraight-line distance
  • Ibaraki AirportJapan · IBR · RJAH
    42.1 kmStraight-line distance
  • Tokyo Haneda International AirportJapan · HND · RJTT
    66.1 kmStraight-line distance

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

Nuclear power plants

  • Tokai nuclear power plantJapanUnder construction · Permanently shut downReactor units at site: 2
    70.1 kmStraight-line distance
  • Japan Power Demonstration Reactor nuclear power plantJapanPermanently shut downReactor units at site: 1Approximate location
    74.0 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 hours9
First 24 hours17
First 72 hours19
Strongest subsequent eventM5.9
M5.82026-06-26 03:46:35 UTC19.9 kmYokoshibahikari M5.92026-06-26 03:46:36 UTC46.9 kmChoshi M5.82026-06-26 03:46:37 UTC19.5 kmSammu M3.12026-06-26 03:52:30 UTC17.8 kmSosa M4.72026-06-26 04:00:09 UTC22.7 kmAsahi M3.92026-06-26 04:00:30 UTC17.8 kmSosa M3.52026-06-26 04:22:30 UTC17.8 kmSosa M4.12026-06-26 04:31:32 UTC33.5 kmAsahi M4.72026-06-26 04:31:32 UTC34.0 kmAsahi M5.72026-06-26 13:28:56 UTC136.6 kmDoshi M5.52026-06-26 13:28:56 UTC146.4 kmTsuru M5.42026-06-26 13:28:56 UTC115.2 kmSagamihara

Chiba Prefecture

Context for this earthquake

04 Oct 2025 – 04 Oct 2026 · M ≥ 3.0 · 34 Catalogue entries

Of 33 other entries for this area and period, 4 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#6
Earlier events M≥4128
Earlier events M≥531
Compared since2025-01-04

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

Strongest earlier events

M5.62026-06-16 10:46:27 UTC66.3 kmNoda M5.62026-06-16 10:46:27 UTC38.3 kmNear East Coast of Honshu, Japan M5.52026-06-16 10:46:28 UTC63.8 kmSugito M5.52026-06-16 10:46:35 UTC58.6 kmNoda M5.52026-06-16 10:46:33 UTC63.2 kmSakai

Historic earthquake map · Japan

Open history map
Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · Japan

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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