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LOCAL EARTHQUAKE HISTORY

Kumejima Town earthquake and Shindo history

久米島町

Earthquakes for which stations associated with Kumejima Town reported an actual Shindo observation.

Latest observation: Aug 21, 2026, 09:01 AM JST
Local seismic profile

Since Jan 12, 2015, stations associated with Kumejima Town have reported a local reading for 166 earthquakes. Shindo 1 was most common, while the highest local level, Shindo 3, was recorded 6 times.

Latest observationAug 21, 2026
Highest local Shindo3
Observed events166Jan 12, 2015–Aug 21, 2026
Associated observation stations5JMA
Latest observation: Aug 21, 2026

Recent observed earthquakes

No local observation in the last 7 days. Latest observation: Aug 21, 2026

5 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 12, 2015 to Aug 21, 2026 · 166 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: Jan 12, 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
111424636405−05+06−06+070
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.

3
Off the northwest Coast of Okinawa Main Island沖縄本島北西沖
101
3
Adjacent Sea of Okinawa Main Island沖縄本島近海
47
2
Adjacent Sea of Miyakojima Island宮古島近海
5
3
Off the northwest Coast of Miyakojima Island宮古島北西沖
4
2
Off the northwest Coast of Amami- Oshima Island奄美大島北西沖
3
1
Off the northwest Coast of Ishigakijima Island石垣島北西沖
3
Local seismic profile

Recent observations in long-term context

Latest calendar year62026
Average completed year14.511
Shindo 3 or higher6Shindo ≥ 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 · 3926460432

Ground conditions near an observation station

J-SHIS data for the 250 m mesh containing 久米島町謝名堂(旧).

J-SHIS / NIED

How to read these values

Landform classMarine sand and gravel bars砂州・砂礫州

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.

AVS30260.2 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×1.44

For the same incoming wave, local ground conditions may make peak-motion velocity at the surface about 44% 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.

Local seismic profile

Nearby places

Municipalities nearest to the representative station position.