Tomakomai City earthquake and Shindo history
苫小牧市
Earthquakes for which stations associated with Tomakomai City reported an actual Shindo observation.
Latest observation: Aug 23, 2026, 10:45 PM JSTLocal seismic profile
Since Feb 17, 2015, stations associated with Tomakomai City have reported a local reading for 290 earthquakes. Shindo 1 was most common, while the highest local level, Shindo 5+, was recorded 1 times.
Latest observationAug 23, 2026
Highest local Shindo5+
Observed events290Feb 17, 2015–Aug 23, 2026
Associated observation stations3JMA
Latest observation: Aug 23, 2026
Recent observed earthquakes
No local observation in the last 7 days. Latest observation: Aug 23, 2026
震度2
Aug 23, 2026, 10:44 PM JSTOff the Coast of Urakawa
震度3M6.0 · 40 km · 142 km
Aug 1, 2026, 11:48 AM JSTOff the east Coast of Aomori Prefecture
震度1M5.8 · 80 km · 152 km
Jul 1, 2026, 09:08 PM JSTOff the Coast of Iwate Prefecture
震度2M6.0 · 40 km · 289 km
Jun 28, 2026, 05:21 AM JSTOff the Coast of Iwate Prefecture
震度3M6.1 · 40 km · 279 km
Jun 25, 2026, 07:30 AM JSTOff the Coast of Iwate Prefecture
震度1M6.9 · 50 km · 277 km
May 15, 2026, 08:22 PM JSTOff the Coast of Miyagi Prefecture
M6.3 · 50 km · 417 km
3 Associated observation stations
Open this place on the mapStations and strongest local observations
The map combines stations assigned to this place with earthquakes that produced its strongest local readings.
Feb 17, 2015 to Aug 23, 2026 · 3 records
All years · Shindo 4+ · Clear filtersObservation 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 17, 2015
All yearsObserved events by year
Choose a year to update the event history and local Shindo distribution.
All years
All ShindoShindo observed in this place
The highest reading from stations in this place, not the maximum Shindo of the whole event.
Latest observation: Aug 23, 2026
Recent observed earthquakes
3 observed earthquakes
- 震度4Jun 11, 2023, 18:55 JSTOff the Coast of UrakawaShindo in this place: 4 · Event maximum Shindo: 5−M6.2140 km
- 震度4Feb 21, 2019, 21:22 JSTCentral and eastern Iburi Region, HokkaidoShindo in this place: 4 · Event maximum Shindo: 6−M5.730 km
- 震度4Sep 6, 2018, 06:11 JSTCentral and eastern Iburi Region, HokkaidoShindo in this place: 4 · Event maximum Shindo: 4M5.440 km
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.
5+
Central and eastern Iburi Region, Hokkaido胆振地方中東部
1005−
Off the east Coast of Aomori Prefecture青森県東方沖
564
Off the Coast of Urakawa浦河沖
333
Southern Tokachi Region, Hokkaido十勝地方南部
143
Off the Coast of Iwate Prefecture岩手県沖
113
Off the Coast of Sanriku三陸沖
8Local seismic profile
Recent observations in long-term context
A change in the number of observations cannot by itself predict a larger earthquake.
Reference model · not a forecast J-SHIS (NIED) · A01213
J-SHIS / NIEDEarthquake scenarios affecting this place
Official J-SHIS models ranked for their potential impact on this municipality.
#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.
#1Subduction-zone earthquakeMega earthquakes along the Kuril Trench千島海溝沿いの超巨大地震
Modelled magnitude: M8.7–9.2
Read about this model #2Subduction-zone earthquakeHuge interplate earthquakes in Tokachi-oki十勝沖のプレート間巨大地震Modelled magnitude: M8.0–8.6
Read about this model #3Subduction-zone earthquakeHuge interplate earthquakes in Aomori-ken-toho-Oki and Northern Iwate-ken-Oki青森県東方沖及び岩手県沖北部のプレート間巨大地震Modelled magnitude: M7.9–8.8
Read about this model #4Major active faultIshikari-teichi-toen fault zone (Southern part)石狩低地東縁断層帯南部Modelled magnitude: M7.1
Read about this model #5Other active faultNohoro-kyuryo fault zone野幌丘陵断層帯Modelled magnitude: M7.0
Read about this model #6Major active faultIshikari-teichi-toen fault zone (Main part)石狩低地東縁断層帯主部Modelled magnitude: M7.2
Read about this modelJ-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.
Understand local Shindo in context
Guides to this place’s history, seismic intensity and notification tools.
8 min readJapan’s Shindo Scale: Earthquake Intensity Levels 0–7
Learn what Japan’s Shindo earthquake intensity scale measures, what levels 0, 5 Lower, 5 Upper and 7 mean, and why Shindo is different from magnitude.
Read guide →10 min readHow to use the JISHINDESU interactive mapA guide to the redesigned map panel: adding and switching places, ten years of history, filters, local Shindo readings, sharing and notifications.
Read guide →6 min readAre earthquakes becoming more frequent in Japan?How to compare earthquake counts fairly—and why a few active days do not prove a lasting increase.
Read guide →4 min readAway from home? Monitor earthquakes in your Japanese townUse home as the reference point and receive notifications without an account when a station within the selected radius reports your chosen Shindo level.
Read guide →