Japan earthquakes, down to the local station
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JMA EPICENTRE REGION

Off the Coast of Tomakomai

苫小牧沖

earthquakes40
Maximum M4.8
Maximum Shindo2
FirstFeb 13, 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 40 confirmed or corrected reports from Feb 13, 2015 to Oct 25, 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.

Stored reports by year

The largest number of stored reports is 6 in 2025. Yearly counts describe the stored reports, not future activity or relative hazard.

  1. 20263
  2. 20256
  3. 20241
  4. 20232
  5. 20224
  6. 20213
  7. 20201
  8. 20194
  9. 20185
  10. 20175
  11. 20156

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: 40 · Highest local Shindo: 2AomoriEarthquakes observed: 23 · Highest local Shindo: 2IwateEarthquakes observed: 7 · Highest local Shindo: 2MiyagiEarthquakes observed: 1 · Highest local Shindo: 1

Recent earthquakes

Showing the latest 40 of 40 stored reports, not the complete list.

1Off the Coast of TomakomaiOct 25, 2026, 12:23 JST · M3.7View report →1Off the Coast of TomakomaiJul 26, 2026, 13:59 JST · M3.7View report →2Off the Coast of TomakomaiFeb 15, 2026, 16:19 JST · M3.8View report →1Off the Coast of TomakomaiNov 24, 2025, 15:54 JST · M2.3View report →2Off the Coast of TomakomaiOct 28, 2025, 19:05 JST · M3.8View report →1Off the Coast of TomakomaiOct 14, 2025, 00:59 JST · M3View report →1Off the Coast of TomakomaiOct 5, 2025, 15:31 JST · M3.9View report →1Off the Coast of TomakomaiFeb 25, 2025, 01:30 JST · M4.1View report →2Off the Coast of TomakomaiFeb 10, 2025, 23:17 JST · M4.8View report →1Off the Coast of TomakomaiApr 4, 2024, 03:09 JST · M4.1View report →2Off the Coast of TomakomaiApr 22, 2023, 19:42 JST · M2.4View report →1Off the Coast of TomakomaiJan 12, 2023, 15:47 JST · M3.5View report →2Off the Coast of TomakomaiDec 3, 2022, 19:22 JST · M3.6View report →1Off the Coast of TomakomaiSep 23, 2022, 11:03 JST · M2.8View report →1Off the Coast of TomakomaiJul 26, 2022, 04:43 JST · M3.2View report →1Off the Coast of TomakomaiMar 14, 2022, 01:01 JST · M3.1View report →1Off the Coast of TomakomaiDec 8, 2021, 05:50 JST · M3.7View report →2Off the Coast of TomakomaiNov 14, 2021, 22:09 JST · M3.9View report →1Off the Coast of TomakomaiAug 9, 2021, 04:38 JST · M3.6View report →2Off the Coast of TomakomaiMar 19, 2020, 01:32 JST · M3.9View report →1Off the Coast of TomakomaiOct 18, 2019, 11:31 JST · M2.5View report →1Off the Coast of TomakomaiAug 22, 2019, 09:42 JST · M3.2View report →1Off the Coast of TomakomaiJun 28, 2019, 18:20 JST · M3.5View report →1Off the Coast of TomakomaiApr 19, 2019, 16:06 JST · M4.2View report →2Off the Coast of TomakomaiDec 24, 2018, 23:51 JST · M4View report →1Off the Coast of TomakomaiNov 8, 2018, 11:15 JST · M3.8View report →2Off the Coast of TomakomaiNov 4, 2018, 22:08 JST · M4.1View report →1Off the Coast of TomakomaiSep 13, 2018, 15:37 JST · M3.1View report →2Off the Coast of TomakomaiMar 22, 2018, 08:15 JST · M4View report →2Off the Coast of TomakomaiOct 8, 2017, 10:38 JST · M4.3View report →1Off the Coast of TomakomaiMay 30, 2017, 02:40 JST · M3.2View report →2Off the Coast of TomakomaiMay 2, 2017, 19:29 JST · M3.8View report →1Off the Coast of TomakomaiApr 24, 2017, 16:14 JST · M3.9View report →1Off the Coast of TomakomaiFeb 6, 2017, 00:17 JST · M3.5View report →2Off the Coast of TomakomaiSep 26, 2015, 18:50 JST · M4.4View report →1Off the Coast of TomakomaiJul 16, 2015, 06:14 JST · M4View report →1Off the Coast of TomakomaiJul 3, 2015, 12:33 JST · M4.2View report →1Off the Coast of TomakomaiMay 22, 2015, 10:08 JST · M3.9View report →1Off the Coast of TomakomaiFeb 23, 2015, 15:33 JST · M3.6View report →1Off the Coast of TomakomaiFeb 13, 2015, 16:00 JST · M3.6View report →