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LOCAL EARTHQUAKE HISTORY

Kumamoto Nishi Ward earthquake and Shindo history

熊本市西区

Earthquakes for which stations associated with Kumamoto Nishi Ward reported an actual Shindo observation.

Latest observation: Oct 15, 2026, 07:41 AM JST
LATEST LOCAL OBSERVATION

Latest earthquake observed in Kumamoto Nishi Ward

震度1

Highest Shindo observed in Kumamoto Nishi WardSource region: Amakusa and Ashikita Region, Kumamoto PrefectureM3.6

Local seismic profile

Since Feb 25, 2015, stations associated with Kumamoto Nishi Ward have reported a local reading for 1,492 earthquakes. Shindo 1 was most common, while the highest local level, Shindo 6+, was recorded 1 times.

Latest observationOct 15, 2026
Highest local Shindo6+
Observed events1,492Feb 25, 2015–Oct 15, 2026
Associated observation stations1JMA
Latest observation: Oct 15, 2026

Recent observed earthquakes

Earthquakes for which stations associated with Kumamoto Nishi Ward reported an actual Shindo observation.

1 Associated observation stations

Stations and strongest local observations

The map combines stations assigned to this place with earthquakes that produced its strongest local readings.

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Associated observation stationsStations: JMA observation catalogue · basemap: OpenFreeMap
Feb 25, 2015 to Oct 15, 2026 · 1,492 records

Observation history

This history counts earthquakes observed at stations in the place, not earthquakes whose epicentre lies inside its boundary. Counts can change as stations are updated and older or corrected observations are added.

First observation: Feb 25, 2015

Observed events by year

Choose a year to update the event history and local Shindo distribution.

All years
All years

Shindo observed in this place

The highest reading from stations in this place, not the maximum Shindo of the whole event.

All Shindo
Reference model · not a forecast

Ground & J-SHIS

A change in the number of observations cannot by itself predict a larger earthquake.

Local seismic profile

Where the shaking usually comes from

Source regions of earthquakes observed here, ordered by the number of reports.

6+
Kumamoto Region, Kumamoto Prefecture熊本県熊本地方
1,209
4
Ariake Sea有明海
96
3
Amakusa and Ashikita Region, Kumamoto Prefecture熊本県天草・芦北地方
70
3
Aso Region, Kumamoto Prefecture熊本県阿蘇地方
51
4
Hyuganada Sea日向灘
26
2
Central Oita Prefecture大分県中部
6
Local seismic profile

Recent observations in long-term context

Latest calendar year2392026
Average completed year113.911
Shindo 3 or higher181Shindo ≥ 3

A change in the number of observations cannot by itself predict a larger earthquake.

Reference model · not a forecast J-SHIS (NIED) · 250 m · 4930154513

Ground conditions near an observation station

J-SHIS data for the 250 m mesh containing 熊本西区春日.

J-SHIS / NIED

How to read these values

Landform classNatural levee自然堤防

A landform class assigned to the whole 250 m mesh and used to estimate AVS30. The name alone does not determine safety, and it is model data rather than a borehole survey at the station.

AVS30200.2 m/s

The average speed of an S-wave through the upper 30 metres. A lower value generally indicates softer material that can amplify shaking more. J-SHIS uses this value to estimate the amplification shown to the right. It is not predicted Shindo.

Surface velocity amplification×1.80

For the same incoming wave, local ground conditions may make peak-motion velocity at the surface about 80% higher than at engineering bedrock (Vs = 400 m/s). This value describes motion velocity—it does not multiply magnitude or forecast ground acceleration.

Ground conditions can change over short distances. These values do not rate the whole place or the safety of a building, and they cannot predict an earthquake. Source: J-SHIS (NIED), V4 model; processed for presentation by JISHINDESU.

Reference model · not a forecast J-SHIS (NIED) · A43103

Earthquake scenarios affecting this place

Official J-SHIS models ranked for their potential impact on this municipality.

J-SHIS / NIED

#1 means the model ranks highest in the J-SHIS result for this place under the same settings. It is not a ranking of which earthquake will happen next.

Magnitude on a card describes the size of the whole earthquake model, not the Shindo expected here. Local shaking also depends on distance, depth and ground conditions.

#1Major active faultHinagu fault zone (Hinagu segment)日奈久断層帯日奈久区間

Modelled magnitude: M6.9

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#2Major active faultHinagu fault zone (Hinagu segment/Yatsushirokai segment)日奈久断層帯(日奈久区間と八代海区間が同時に活動)

Modelled magnitude: M7.2

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#3Subduction-zone earthquakeLarge Earthquakes along the Nankai Trough南海トラフ沿いで発生する大地震

Modelled magnitude: M8.2–9.1

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#4Major active faultFutagawa fault zone (Uto segment)布田川断層帯宇土区間

Modelled magnitude: M6.5

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#5Major active faultFutagawa fault zone (Uto-hanto-hokugan segment)布田川断層帯宇土半島北岸区間

Modelled magnitude: M6.7

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#6Major active faultUnzen fault group (Northern part)雲仙断層群北部

Modelled magnitude: M6.8

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#7Major active faultUnzen fault group (Southeastern part)雲仙断層群南東部

Modelled magnitude: M6.6

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#8Major active faultFutagawa fault zone (Uto segment/Uto-hanto-hokugan segment)布田川断層帯(宇土区間と宇土半島北岸区間が同時に活動)

Modelled magnitude: M7.0

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#9Major active faultUnzen fault group (Southwestern part Northern/Southern segment)雲仙断層群 (南西部北部と南部が同時に活動)

Modelled magnitude: M7.1

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#10Major active faultMidorikawa fault zone緑川断層帯

Modelled magnitude: M6.9

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#11Major active faultHinagu fault zone (All segment)日奈久断層帯 (全体が同時に活動)

Modelled magnitude: M7.3

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#12Major active faultHinagu fault zone (Takano-Shirahata segment/Hinagu segment)日奈久断層帯(高野-白旗区間と日奈久区間が同時に活動)

Modelled magnitude: M7.1

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#13Major active faultHinagu fault zone (Takano-Shirahata segment)日奈久断層帯高野-白旗区間

Modelled magnitude: M6.4

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#14Major active faultNishiyama fault zone (All segment)西山断層帯 (全体が同時に活動)

Modelled magnitude: M7.5

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#15Major active faultUnzen fault group (Southwestern part/Northern segment)雲仙断層群南西部北部

Modelled magnitude: M6.8

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#16Major active faultFutagawa fault zone (All segment)布田川断層帯 (全体が同時に活動)

Modelled magnitude: M7.2

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#17Major active faultFutagawa/Hinagu fault zone (Futagawa segment/all segment of Hinagu fault zone)布田川断層帯・日奈久断層帯 (布田川区間と日奈久断層帯全体が同時に活動)

Modelled magnitude: M7.4

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#18Major active faultFutagawa/Hinagu fault zone (Futagawa segment/Takano-Shirahata segment/Hinagu segment)布田川断層帯・日奈久断層帯(布田川区間と高野-白旗区間と日奈久区間が同時に活動)

Modelled magnitude: M7.3

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#19Major active faultFutagawa fault zone (Futagawa segment/Uto segment)布田川断層帯(布田川区間と宇土区間が同時に活動)

Modelled magnitude: M6.9

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#20Major active faultFutagawa/Hinagu fault zone (Futagawa segment/Takano-Shirahata segment)布田川断層帯・日奈久断層帯(布田川区間と高野-白旗区間が同時に活動)

Modelled magnitude: M6.8

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#21Major active faultFutagawa fault zone (Futagawa segment)布田川断層帯布田川区間

Modelled magnitude: M6.5

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#22Major active faultMedian Tectonic Line (MTL) fault zone (All segment)中央構造線断層帯(全体が同時に活動)

Modelled magnitude: M7.9

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#23Major active faultMedian Tectonic Line (MTL) fault zone (FROM Gojoya segment TO Houyo-kaikyo - Yufuin segment)中央構造線断層帯(五条谷区間~豊予海峡-由布院区間が同時に活動)

Modelled magnitude: M7.9

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#24Major active faultMedian Tectonic Line (MTL) fault zone (FROM Kitan-kaikyo - Naruto-Kaikyo segment TO Houyo-kaikyo - Yufuin segment)中央構造線断層帯(紀淡海峡-鳴門海峡区間~豊予海峡-由布院区間が同時に活動)

Modelled magnitude: M7.8

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#25Major active faultMedian Tectonic Line (MTL) fault zone (FROM Sanuki-sanmyaku-nanen eastern segment TO Houyo-kaikyo - Yufuin segment)中央構造線断層帯(讃岐山脈南縁東部区間~豊予海峡-由布院区間が同時に活動)

Modelled magnitude: M7.7

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#26Major active faultMedian Tectonic Line (MTL) fault zone (FROM Sanuki-sanmyaku-nanen western segment TO Houyo-kaikyo - Yufuin segment)中央構造線断層帯(讃岐山脈南縁西部区間~豊予海峡-由布院区間が同時に活動)

Modelled magnitude: M7.7

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#27Major active faultMedian Tectonic Line (MTL) fault zone (FROM Ishizuchi-sanmyaku-hokuen segment TO Houyo-kaikyo - Yufuin segment)中央構造線断層帯(石鎚山脈北縁区間~豊予海峡-由布院区間が同時に活動)

Modelled magnitude: M7.7

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J-SHIS 2020 model, 30-year period and Shindo 6-lower threshold. This is not a prediction of a particular earthquake. Source: J-SHIS (NIED); processed for presentation by JISHINDESU.

Local seismic profile

Nearby places

Municipalities nearest to the representative station position.