Japan earthquakes, down to the local station
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JMA EPICENTRE REGION

Off the Coast of Shikoku

四国沖

earthquakes21
Maximum M4.9
Maximum Shindo3
FirstFeb 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 21 confirmed or corrected reports from Feb 18, 2015 to Feb 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 4 in 2017. Yearly counts describe the stored reports, not future activity or relative hazard.

  1. 20261
  2. 20251
  3. 20242
  4. 20232
  5. 20212
  6. 20201
  7. 20191
  8. 20174
  9. 20163
  10. 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.

KochiEarthquakes observed: 14 · Highest local Shindo: 3TokushimaEarthquakes observed: 12 · Highest local Shindo: 3WakayamaEarthquakes observed: 7 · Highest local Shindo: 2EhimeEarthquakes observed: 7 · Highest local Shindo: 1HiroshimaEarthquakes observed: 4 · Highest local Shindo: 1OkayamaEarthquakes observed: 4 · Highest local Shindo: 1KagawaEarthquakes observed: 3 · Highest local Shindo: 1MiyazakiEarthquakes observed: 2 · Highest local Shindo: 2HyogoEarthquakes observed: 2 · Highest local Shindo: 1OitaEarthquakes observed: 1 · Highest local Shindo: 2KumamotoEarthquakes observed: 1 · Highest local Shindo: 2ShimaneEarthquakes observed: 1 · Highest local Shindo: 1

Recent earthquakes

Showing the latest 21 of 21 stored reports, not the complete list.

2Off the Coast of ShikokuFeb 25, 2026, 18:07 JST · M4.9View report →2Off the Coast of ShikokuMay 31, 2025, 20:15 JST · M3.5View report →1Off the Coast of ShikokuAug 24, 2024, 09:32 JST · M4.2View report →1Off the Coast of ShikokuJul 21, 2024, 19:51 JST · M3.2View report →1Off the Coast of ShikokuAug 12, 2023, 19:41 JST · M3.2View report →1Off the Coast of ShikokuApr 5, 2023, 04:03 JST · M3.2View report →1Off the Coast of ShikokuNov 23, 2021, 20:30 JST · M3.6View report →2Off the Coast of ShikokuOct 14, 2021, 02:01 JST · M4.1View report →1Off the Coast of ShikokuJan 5, 2020, 21:26 JST · M4.8View report →1Off the Coast of ShikokuMar 7, 2019, 11:20 JST · M4View report →1Off the Coast of ShikokuDec 12, 2017, 11:14 JST · M3.6View report →1Off the Coast of ShikokuSep 21, 2017, 12:27 JST · M2.9View report →1Off the Coast of ShikokuApr 12, 2017, 04:03 JST · M3.2View report →2Off the Coast of ShikokuFeb 8, 2017, 03:19 JST · M4.2View report →2Off the Coast of ShikokuMay 1, 2016, 23:07 JST · M3.7View report →3Off the Coast of ShikokuApr 21, 2016, 23:20 JST · M4.3View report →1Off the Coast of ShikokuMar 19, 2016, 23:40 JST · M4.1View report →3Off the Coast of ShikokuDec 25, 2015, 11:20 JST · M4.1View report →1Off the Coast of ShikokuDec 10, 2015, 13:58 JST · M3.1View report →2Off the Coast of ShikokuSep 2, 2015, 16:07 JST · M4.6View report →1Off the Coast of ShikokuFeb 18, 2015, 19:05 JST · M3.2View report →