Japan earthquakes, down to the local station
EN
Open interactive map
MenuMore
JMA EPICENTRE REGION

Iyonada Sea

伊予灘

earthquakes49
Maximum M5.1
Maximum Shindo4
FirstJun 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 49 confirmed or corrected reports from Jun 13, 2015 to Sep 2, 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 7 in 2021. Yearly counts describe the stored reports, not future activity or relative hazard.

  1. 20263
  2. 20256
  3. 20244
  4. 20234
  5. 20221
  6. 20217
  7. 20204
  8. 20194
  9. 20182
  10. 20175
  11. 20167
  12. 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.

EhimeEarthquakes observed: 38 · Highest local Shindo: 4YamaguchiEarthquakes observed: 33 · Highest local Shindo: 4OitaEarthquakes observed: 23 · Highest local Shindo: 4HiroshimaEarthquakes observed: 21 · Highest local Shindo: 3KochiEarthquakes observed: 15 · Highest local Shindo: 3FukuokaEarthquakes observed: 9 · Highest local Shindo: 2KumamotoEarthquakes observed: 7 · Highest local Shindo: 3MiyazakiEarthquakes observed: 7 · Highest local Shindo: 3ShimaneEarthquakes observed: 7 · Highest local Shindo: 3TokushimaEarthquakes observed: 5 · Highest local Shindo: 1OkayamaEarthquakes observed: 4 · Highest local Shindo: 2KagawaEarthquakes observed: 4 · Highest local Shindo: 2

Recent earthquakes

Showing the latest 49 of 49 stored reports, not the complete list.

1Iyonada SeaSep 2, 2026, 14:24 JST · M3.2View report →1Iyonada SeaApr 8, 2026, 20:13 JST · M3.5View report →3Iyonada SeaMar 16, 2026, 05:25 JST · M4View report →1Iyonada SeaOct 2, 2025, 20:41 JST · M3.5View report →1Iyonada SeaJul 23, 2025, 14:29 JST · M3.4View report →1Iyonada SeaJun 21, 2025, 05:32 JST · M3.1View report →1Iyonada SeaApr 11, 2025, 18:06 JST · M3.3View report →1Iyonada SeaJan 26, 2025, 20:05 JST · M2.8View report →1Iyonada SeaJan 25, 2025, 13:47 JST · M3.4View report →2Iyonada SeaOct 19, 2024, 23:41 JST · M3.9View report →2Iyonada SeaSep 12, 2024, 10:59 JST · M3.9View report →1Iyonada SeaSep 8, 2024, 16:04 JST · M3.5View report →1Iyonada SeaJan 1, 2024, 20:16 JST · M3.2View report →1Iyonada SeaNov 22, 2023, 23:07 JST · M3.6View report →1Iyonada SeaOct 8, 2023, 01:34 JST · M3.5View report →2Iyonada SeaSep 9, 2023, 11:41 JST · M4.1View report →1Iyonada SeaJan 25, 2023, 07:58 JST · M3.2View report →1Iyonada SeaApr 26, 2022, 21:12 JST · M3.3View report →1Iyonada SeaNov 14, 2021, 03:24 JST · M3.4View report →1Iyonada SeaOct 25, 2021, 06:15 JST · M3.1View report →1Iyonada SeaOct 13, 2021, 04:53 JST · M3.3View report →4Iyonada SeaJul 17, 2021, 20:50 JST · M5.1View report →3Iyonada SeaJul 8, 2021, 01:24 JST · M4.3View report →1Iyonada SeaMay 22, 2021, 04:15 JST · M3.2View report →3Iyonada SeaFeb 23, 2021, 16:09 JST · M4.1View report →1Iyonada SeaAug 15, 2020, 20:38 JST · M3.1View report →2Iyonada SeaMay 11, 2020, 02:23 JST · M3.8View report →1Iyonada SeaApr 26, 2020, 01:32 JST · M3.2View report →1Iyonada SeaFeb 17, 2020, 14:32 JST · M3.2View report →1Iyonada SeaDec 1, 2019, 07:35 JST · M3.4View report →3Iyonada SeaOct 7, 2019, 08:02 JST · M4.3View report →1Iyonada SeaMay 23, 2019, 01:20 JST · M3.4View report →1Iyonada SeaJan 3, 2019, 17:24 JST · M3.2View report →2Iyonada SeaAug 31, 2018, 21:24 JST · M3.8View report →3Iyonada SeaJan 9, 2018, 05:52 JST · M4.4View report →1Iyonada SeaSep 27, 2017, 21:51 JST · M3View report →2Iyonada SeaAug 16, 2017, 04:39 JST · M3.9View report →1Iyonada SeaJun 1, 2017, 07:36 JST · M3.3View report →1Iyonada SeaApr 30, 2017, 12:08 JST · M3.4View report →1Iyonada SeaJan 17, 2017, 13:59 JST · M3.3View report →1Iyonada SeaNov 5, 2016, 13:45 JST · M3.3View report →3Iyonada SeaAug 15, 2016, 13:36 JST · M4.3View report →1Iyonada SeaAug 2, 2016, 22:04 JST · M3View report →3Iyonada SeaJul 1, 2016, 14:40 JST · M4.3View report →2Iyonada SeaApr 17, 2016, 12:09 JST · M3.8View report →1Iyonada SeaMar 29, 2016, 13:42 JST · M3.4View report →1Iyonada SeaJan 26, 2016, 13:36 JST · M3.3View report →2Iyonada SeaJul 3, 2015, 04:55 JST · M3.8View report →1Iyonada SeaJun 13, 2015, 12:33 JST · M3.1View report →