Japan earthquakes, down to the local station
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JMA EPICENTRE REGION

Off the southwest Coast of Hokkaido

北海道南西沖

earthquakes30
Maximum M5
Maximum Shindo3
FirstDec 18, 2015

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 30 confirmed or corrected reports from Dec 18, 2015 to May 1, 2025. 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.

Stored reports by year

The largest number of stored reports is 5 in 2018. Yearly counts describe the stored reports, not future activity or relative hazard.

  1. 20252
  2. 20243
  3. 20223
  4. 20211
  5. 20204
  6. 20191
  7. 20185
  8. 20174
  9. 20165
  10. 20152

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.

HokkaidoEarthquakes observed: 30 · Highest local Shindo: 3AomoriEarthquakes observed: 3 · Highest local Shindo: 1AkitaEarthquakes observed: 1 · Highest local Shindo: 1

Recent earthquakes

Showing the latest 30 of 30 stored reports, not the complete list.

1Off the southwest Coast of HokkaidoMay 1, 2025, 12:55 JST · M3.7View report →1Off the southwest Coast of HokkaidoMar 24, 2025, 11:50 JST · M3.1View report →1Off the southwest Coast of HokkaidoAug 17, 2024, 15:31 JST · M2.3View report →1Off the southwest Coast of HokkaidoAug 8, 2024, 21:49 JST · M4.8View report →1Off the southwest Coast of HokkaidoFeb 6, 2024, 10:55 JST · M3.6View report →1Off the southwest Coast of HokkaidoOct 11, 2022, 14:53 JST · M4View report →1Off the southwest Coast of HokkaidoJul 6, 2022, 11:41 JST · M3View report →1Off the southwest Coast of HokkaidoJan 4, 2022, 15:47 JST · M4View report →1Off the southwest Coast of HokkaidoJan 1, 2021, 22:10 JST · M3.6View report →1Off the southwest Coast of HokkaidoJul 30, 2020, 07:41 JST · M3View report →1Off the southwest Coast of HokkaidoJun 20, 2020, 13:35 JST · M3.9View report →1Off the southwest Coast of HokkaidoMar 18, 2020, 00:11 JST · M4.6View report →1Off the southwest Coast of HokkaidoFeb 23, 2020, 00:55 JST · M3.7View report →1Off the southwest Coast of HokkaidoJun 28, 2019, 07:57 JST · M3View report →2Off the southwest Coast of HokkaidoNov 12, 2018, 10:45 JST · M4View report →1Off the southwest Coast of HokkaidoJul 21, 2018, 02:33 JST · M3.9View report →1Off the southwest Coast of HokkaidoApr 27, 2018, 13:40 JST · M3View report →2Off the southwest Coast of HokkaidoMar 15, 2018, 20:33 JST · M3View report →1Off the southwest Coast of HokkaidoJan 24, 2018, 12:24 JST · M3.4View report →2Off the southwest Coast of HokkaidoNov 6, 2017, 13:35 JST · M3.9View report →1Off the southwest Coast of HokkaidoAug 11, 2017, 23:05 JST · M3.3View report →1Off the southwest Coast of HokkaidoMay 11, 2017, 15:44 JST · M3.9View report →1Off the southwest Coast of HokkaidoMar 28, 2017, 07:31 JST · M5View report →1Off the southwest Coast of HokkaidoDec 8, 2016, 15:14 JST · M2.8View report →3Off the southwest Coast of HokkaidoJul 13, 2016, 03:53 JST · M4.2View report →1Off the southwest Coast of HokkaidoJun 4, 2016, 00:08 JST · M3.8View report →1Off the southwest Coast of HokkaidoMay 6, 2016, 18:25 JST · M2.9View report →1Off the southwest Coast of HokkaidoFeb 10, 2016, 14:07 JST · M4.1View report →1Off the southwest Coast of HokkaidoDec 18, 2015, 03:35 JST · M2.9View report →1Off the southwest Coast of HokkaidoDec 18, 2015, 01:06 JST · M3.3View report →