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LOCAL EARTHQUAKE HISTORY

Kobayashi City earthquake and Shindo history

小林市

Earthquakes for which stations associated with Kobayashi City reported an actual Shindo observation.

Latest observation: Sep 21, 2026, 10:38 PM JST
LATEST LOCAL OBSERVATION

Latest earthquake observed in Kobayashi City

震度1

Highest Shindo observed in Kobayashi CitySource region: Hyuganada SeaM4.8

Local seismic profile

Since Jan 13, 2015, stations associated with Kobayashi City have reported a local reading for 395 earthquakes. Shindo 1 was most common, while the highest local level, Shindo 5−, was recorded 1 times.

Latest observationSep 21, 2026
Highest local Shindo5−
Observed events395Jan 13, 2015Sep 21, 2026
Associated observation stations6JMA
Latest observation: Sep 21, 2026

Recent observed earthquakes

Earthquakes for which stations associated with Kobayashi City reported an actual Shindo observation.

6 Associated observation stations

Stations and strongest local observations

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

Open this place on the map
Associated observation stationsStations: JMA observation catalogue · basemap: OpenFreeMap
Jan 13, 2015 to Sep 21, 2026 · 1 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.

All years · Shindo 5−+ · Clear filters
First observation: Jan 13, 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
1280278328485−15+06−06+070
Latest observation: Sep 21, 2026

Recent observed earthquakes

1 observed earthquakes

  1. 震度5−Aug 8, 2024, 16:43 JSTHyuganada SeaShindo in this place: 5− · Event maximum Shindo: 6−M7.130 km
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.

4
Kumamoto Region, Kumamoto Prefecture熊本県熊本地方
133
5−
Hyuganada Sea日向灘
97
3
Amakusa and Ashikita Region, Kumamoto Prefecture熊本県天草・芦北地方
31
4
Off the east Coast of Osumi Peninsula大隅半島東方沖
23
2
Area along Mountains of Southern Miyazaki Prefecture宮崎県南部山沿い
18
3
Aso Region, Kumamoto Prefecture熊本県阿蘇地方
15
Local seismic profile

Recent observations in long-term context

Latest calendar year652026
Average completed year30.011
Shindo 3 or higher37Shindo ≥ 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 · 4730779911

Ground conditions near an observation station

J-SHIS data for the 250 m mesh containing 小林市真方.

J-SHIS / NIED

How to read these values

Landform classVolcanic footslope火山山麓地

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.

AVS30261.9 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×1.43

For the same incoming wave, local ground conditions may make peak-motion velocity at the surface about 43% 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) · A45205

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.

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.