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JMA EPICENTRE REGION

Southern Gunma Prefecture

群馬県南部

earthquakes38
Maximum M4.7
Maximum Shindo5−
FirstFeb 4, 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 38 confirmed or corrected reports from Feb 4, 2015 to Aug 15, 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 8 in 2023. Yearly counts describe the stored reports, not future activity or relative hazard.

  1. 20263
  2. 20252
  3. 20241
  4. 20238
  5. 20222
  6. 20213
  7. 20203
  8. 20191
  9. 20183
  10. 20173
  11. 20163
  12. 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.

GunmaEarthquakes observed: 33 · Highest local Shindo: 5−TochigiEarthquakes observed: 16 · Highest local Shindo: 3SaitamaEarthquakes observed: 13 · Highest local Shindo: 3IbarakiEarthquakes observed: 10 · Highest local Shindo: 3YamanashiEarthquakes observed: 9 · Highest local Shindo: 2TokyoEarthquakes observed: 8 · Highest local Shindo: 2KanagawaEarthquakes observed: 8 · Highest local Shindo: 2ChibaEarthquakes observed: 6 · Highest local Shindo: 3ShizuokaEarthquakes observed: 6 · Highest local Shindo: 1FukushimaEarthquakes observed: 4 · Highest local Shindo: 2NaganoEarthquakes observed: 4 · Highest local Shindo: 2NiigataEarthquakes observed: 1 · Highest local Shindo: 2

Recent earthquakes

Showing the latest 38 of 38 stored reports, not the complete list.

2Southern Gunma PrefectureAug 15, 2026, 06:58 JST · M3.6View report →3Southern Gunma PrefectureMar 15, 2026, 14:06 JST · M4.4View report →1Southern Gunma PrefectureMar 2, 2026, 13:15 JST · M3.1View report →2Southern Gunma PrefectureAug 1, 2025, 22:58 JST · M4.1View report →2Southern Gunma PrefectureMar 3, 2025, 12:51 JST · M4.2View report →1Southern Gunma PrefectureAug 24, 2024, 08:54 JST · M3.3View report →1Southern Gunma PrefectureDec 21, 2023, 22:36 JST · M2.2View report →1Southern Gunma PrefectureOct 20, 2023, 17:01 JST · M2.6View report →1Southern Gunma PrefectureAug 24, 2023, 02:42 JST · M3.2View report →2Southern Gunma PrefectureAug 22, 2023, 08:30 JST · M3.1View report →1Southern Gunma PrefectureJul 21, 2023, 03:16 JST · M2.4View report →1Southern Gunma PrefectureJul 10, 2023, 20:12 JST · M3.2View report →1Southern Gunma PrefectureApr 28, 2023, 13:49 JST · M2.4View report →1Southern Gunma PrefectureFeb 10, 2023, 05:14 JST · M2.7View report →1Southern Gunma PrefectureDec 30, 2022, 05:26 JST · M2.2View report →1Southern Gunma PrefectureAug 16, 2022, 08:17 JST · M2View report →1Southern Gunma PrefectureJul 18, 2021, 01:01 JST · M2.3View report →2Southern Gunma PrefectureMay 10, 2021, 14:23 JST · M1.9View report →1Southern Gunma PrefectureMar 3, 2021, 14:45 JST · M3.5View report →1Southern Gunma PrefectureDec 31, 2020, 09:26 JST · M2.8View report →1Southern Gunma PrefectureAug 19, 2020, 08:32 JST · M2.9View report →1Southern Gunma PrefectureMar 8, 2020, 12:22 JST · M2.9View report →1Southern Gunma PrefectureMar 26, 2019, 14:22 JST · M3.1View report →1Southern Gunma PrefectureDec 26, 2018, 12:07 JST · M2.4View report →5−Southern Gunma PrefectureJun 17, 2018, 15:27 JST · M4.7View report →2Southern Gunma PrefectureJan 23, 2018, 04:42 JST · M2.8View report →1Southern Gunma PrefectureNov 19, 2017, 14:54 JST · M3.6View report →1Southern Gunma PrefectureJun 12, 2017, 04:28 JST · M2.1View report →1Southern Gunma PrefectureFeb 15, 2017, 14:23 JST · M2.3View report →3Southern Gunma PrefectureJun 7, 2016, 03:15 JST · M3.5View report →2Southern Gunma PrefectureFeb 5, 2016, 16:02 JST · M4View report →1Southern Gunma PrefectureJan 18, 2016, 23:19 JST · M2.3View report →1Southern Gunma PrefectureDec 3, 2015, 03:49 JST · M1.6View report →1Southern Gunma PrefectureJun 22, 2015, 18:12 JST · M2.7View report →2Southern Gunma PrefectureMay 10, 2015, 22:39 JST · M3View report →2Southern Gunma PrefectureMay 3, 2015, 23:30 JST · M4.5View report →2Southern Gunma PrefectureApr 12, 2015, 15:25 JST · M4.2View report →1Southern Gunma PrefectureFeb 4, 2015, 15:00 JST · M3.3View report →