Off the east Coast of Hokkaido
北海道東方沖
What this epicentre-region name means
This page groups earthquakes whose JMA report uses this epicentre-region name. It identifies the reported epicentre region, not the area where shaking was felt or an administrative boundary.
JISHINDESU stores 111 confirmed or corrected reports from Jan 16, 2015 to Oct 7, 2026. This is not JMA’s complete historical earthquake catalogue. Dates and times use Japan Standard Time (JST).
Earthquakes in the stored history
The largest magnitude and highest Shindo may belong to different earthquakes. Open each report for its details.
Largest recorded magnitude
Earthquake with the highest reported Shindo
Stored reports by year
The largest number of stored reports is 12 in 2024. Yearly counts describe the stored reports, not future activity or relative hazard.
- 20269
- 202511
- 202412
- 20236
- 20229
- 20218
- 20207
- 201912
- 20187
- 20179
- 20169
- 201512
Prefectures with observations
Each count is the number of earthquakes with a Shindo reading at a station in that prefecture. It does not locate the epicentre or imply shaking throughout the prefecture. One earthquake may appear in several prefectures.
Recent earthquakes
Showing the latest 50 of 111 stored reports, not the complete list.