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JMA EPICENTRE REGION

Adjacent Sea of Ioto Island

硫黄島近海

earthquakes53
Maximum M6.6
Maximum Shindo3
FirstMay 31, 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 53 confirmed or corrected reports from May 31, 2015 to Oct 12, 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 14 in 2024. Yearly counts describe the stored reports, not future activity or relative hazard.

  1. 20264
  2. 20252
  3. 202414
  4. 20232
  5. 20225
  6. 20213
  7. 20203
  8. 20195
  9. 20181
  10. 20172
  11. 20168
  12. 20154

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.

TokyoEarthquakes observed: 53 · Highest local Shindo: 3

Recent earthquakes

Showing the latest 50 of 53 stored reports, not the complete list.

1Adjacent Sea of Ioto IslandOct 12, 2026, 09:53 JST · M5View report →1Adjacent Sea of Ioto IslandAug 16, 2026, 04:32 JST · M5.4View report →3Adjacent Sea of Ioto IslandMay 15, 2026, 00:34 JST · M6View report →3Adjacent Sea of Ioto IslandJan 10, 2026, 08:51 JST · M5.5View report →1Adjacent Sea of Ioto IslandMay 19, 2025, 03:37 JST · M4.8View report →1Adjacent Sea of Ioto IslandJan 8, 2025, 02:24 JST · M5.9View report →1Adjacent Sea of Ioto IslandNov 8, 2024, 06:44 JST · M4.8View report →1Adjacent Sea of Ioto IslandNov 8, 2024, 04:54 JST · M5.3View report →1Adjacent Sea of Ioto IslandNov 7, 2024, 10:12 JST · M5.4View report →2Adjacent Sea of Ioto IslandNov 7, 2024, 07:55 JST · M6.3View report →1Adjacent Sea of Ioto IslandNov 3, 2024, 04:29 JST · M4.9View report →1Adjacent Sea of Ioto IslandOct 25, 2024, 02:51 JST · M5.3View report →1Adjacent Sea of Ioto IslandOct 18, 2024, 23:50 JST · M4.8View report →1Adjacent Sea of Ioto IslandOct 18, 2024, 18:18 JST · M5.5View report →1Adjacent Sea of Ioto IslandSep 20, 2024, 14:14 JST · M5.4View report →1Adjacent Sea of Ioto IslandJul 1, 2024, 08:12 JST · M5.3View report →1Adjacent Sea of Ioto IslandApr 18, 2024, 18:29 JST · M5.5View report →1Adjacent Sea of Ioto IslandFeb 12, 2024, 20:20 JST · M6.3View report →1Adjacent Sea of Ioto IslandFeb 6, 2024, 04:04 JST · M5.7View report →2Adjacent Sea of Ioto IslandJan 24, 2024, 00:22 JST · M5.4View report →1Adjacent Sea of Ioto IslandDec 10, 2023, 09:49 JST · M5.3View report →1Adjacent Sea of Ioto IslandJun 24, 2023, 00:43 JST · M4.9View report →1Adjacent Sea of Ioto IslandAug 6, 2022, 10:41 JST · M4.6View report →1Adjacent Sea of Ioto IslandJul 14, 2022, 02:50 JST · M4.8View report →2Adjacent Sea of Ioto IslandMay 2, 2022, 06:58 JST · M5.9View report →1Adjacent Sea of Ioto IslandMay 1, 2022, 14:43 JST · M5View report →1Adjacent Sea of Ioto IslandApr 12, 2022, 02:24 JST · M4.7View report →1Adjacent Sea of Ioto IslandDec 27, 2021, 09:12 JST · M5.4View report →1Adjacent Sea of Ioto IslandDec 14, 2021, 14:55 JST · M4.8View report →1Adjacent Sea of Ioto IslandFeb 1, 2021, 00:52 JST · M5.7View report →1Adjacent Sea of Ioto IslandOct 22, 2020, 00:20 JST · M5View report →1Adjacent Sea of Ioto IslandMar 26, 2020, 14:53 JST · M5.8View report →1Adjacent Sea of Ioto IslandJan 5, 2020, 11:11 JST · M5.7View report →1Adjacent Sea of Ioto IslandSep 16, 2019, 09:29 JST · M5.4View report →1Adjacent Sea of Ioto IslandJun 2, 2019, 05:14 JST · M5.7View report →1Adjacent Sea of Ioto IslandMay 13, 2019, 11:59 JST · M4.7View report →1Adjacent Sea of Ioto IslandMar 3, 2019, 01:34 JST · M5.4View report →1Adjacent Sea of Ioto IslandFeb 15, 2019, 12:35 JST · M4.7View report →1Adjacent Sea of Ioto IslandAug 17, 2018, 03:22 JST · M6.6View report →1Adjacent Sea of Ioto IslandSep 12, 2017, 02:35 JST · M5.9View report →1Adjacent Sea of Ioto IslandJun 5, 2017, 03:46 JST · M5View report →1Adjacent Sea of Ioto IslandDec 28, 2016, 22:46 JST · M5.3View report →1Adjacent Sea of Ioto IslandOct 20, 2016, 15:27 JST · M6View report →1Adjacent Sea of Ioto IslandAug 10, 2016, 18:04 JST · M4.9View report →2Adjacent Sea of Ioto IslandAug 5, 2016, 01:25 JST · M6.3View report →1Adjacent Sea of Ioto IslandMay 17, 2016, 10:48 JST · M5.1View report →1Adjacent Sea of Ioto IslandFeb 22, 2016, 06:27 JST · M6.4View report →1Adjacent Sea of Ioto IslandJan 6, 2016, 07:01 JST · M6View report →1Adjacent Sea of Ioto IslandJan 3, 2016, 23:40 JST · M5.3View report →2Adjacent Sea of Ioto IslandNov 20, 2015, 14:32 JST · M6View report →