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LOCAL EARTHQUAKE HISTORY

Betsukai Town earthquake and Shindo history

別海町

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

Latest observation: Sep 21, 2026, 08:25 AM JST
LATEST LOCAL OBSERVATION

Latest earthquake observed in Betsukai Town

震度2

Highest Shindo observed in Betsukai TownSource region: Off the southeast Coast of the Nemuro PeninsulaM4.7

Local seismic profile

Since Jan 16, 2015, stations associated with Betsukai Town have reported a local reading for 548 earthquakes. Shindo 1 was most common, while the highest local level, Shindo 4, was recorded 9 times.

Latest observationSep 21, 2026
Highest local Shindo4
Observed events548Jan 16, 2015Sep 21, 2026
Associated observation stations3JMA
Latest observation: Sep 21, 2026

Recent observed earthquakes

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

3 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 16, 2015 to Sep 21, 2026 · 9 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 4+ · Clear filters
First observation: Jan 16, 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
13652143331495−05+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.

4
Off the southeast Coast of the Nemuro Peninsula根室半島南東沖
101
4
Off the Coast of Kushiro釧路沖
84
3
Off the east Coast of Hokkaido北海道東方沖
46
3
Adjacent Kunashiri Island国後島付近
37
4
Off the southeast Coast of Etorofu Island択捉島南東沖
29
3
Off the east Coast of Aomori Prefecture青森県東方沖
28
Local seismic profile

Recent observations in long-term context

Latest calendar year432026
Average completed year45.911
Shindo 3 or higher40Shindo ≥ 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 · 6545007914

Ground conditions near an observation station

J-SHIS data for the 250 m mesh containing 別海町常盤.

J-SHIS / NIED

How to read these values

Landform classTerrace covered with volcanic ash soil火山灰台地

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.

AVS30273.4 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×1.38

For the same incoming wave, local ground conditions may make peak-motion velocity at the surface about 38% 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) · A01691

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.