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JMA EPICENTRE REGION

Northern Nagano Prefecture

長野県北部

earthquakes374
Maximum M5.1
Maximum Shindo5+
FirstJan 15, 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 374 confirmed or corrected reports from Jan 15, 2015 to Jul 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 72 in 2025. Yearly counts describe the stored reports, not future activity or relative hazard.

  1. 202656
  2. 202572
  3. 20248
  4. 202312
  5. 20228
  6. 202145
  7. 202021
  8. 201923
  9. 201846
  10. 201728
  11. 201618
  12. 201537

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.

NaganoEarthquakes observed: 369 · Highest local Shindo: 5+NiigataEarthquakes observed: 48 · Highest local Shindo: 4GunmaEarthquakes observed: 25 · Highest local Shindo: 3GifuEarthquakes observed: 8 · Highest local Shindo: 2IshikawaEarthquakes observed: 7 · Highest local Shindo: 2ToyamaEarthquakes observed: 7 · Highest local Shindo: 2YamanashiEarthquakes observed: 7 · Highest local Shindo: 2ShizuokaEarthquakes observed: 6 · Highest local Shindo: 2AichiEarthquakes observed: 6 · Highest local Shindo: 2SaitamaEarthquakes observed: 6 · Highest local Shindo: 1KanagawaEarthquakes observed: 4 · Highest local Shindo: 1TokyoEarthquakes observed: 3 · Highest local Shindo: 1

Recent earthquakes

Showing the latest 50 of 374 stored reports, not the complete list.

1Northern Nagano PrefectureJul 25, 2026, 04:54 JST · M2.3View report →1Northern Nagano PrefectureJun 20, 2026, 03:17 JST · M4.2View report →1Northern Nagano PrefectureJun 18, 2026, 13:06 JST · M2.1View report →1Northern Nagano PrefectureJun 10, 2026, 22:48 JST · M1.8View report →1Northern Nagano PrefectureJun 7, 2026, 15:46 JST · M2View report →1Northern Nagano PrefectureJun 6, 2026, 08:47 JST · M2.2View report →1Northern Nagano PrefectureMay 28, 2026, 01:59 JST · M2.1View report →1Northern Nagano PrefectureMay 27, 2026, 16:52 JST · M1.7View report →3Northern Nagano PrefectureMay 27, 2026, 16:10 JST · M3.1View report →1Northern Nagano PrefectureMay 10, 2026, 07:09 JST · M2.2View report →2Northern Nagano PrefectureMay 9, 2026, 08:04 JST · M2.4View report →1Northern Nagano PrefectureMay 3, 2026, 07:12 JST · M2.1View report →1Northern Nagano PrefectureMay 2, 2026, 18:39 JST · M2View report →2Northern Nagano PrefectureMay 2, 2026, 15:29 JST · M3View report →1Northern Nagano PrefectureMay 2, 2026, 13:14 JST · M2.2View report →1Northern Nagano PrefectureMay 2, 2026, 03:47 JST · M2.1View report →1Northern Nagano PrefectureApr 30, 2026, 22:20 JST · M2View report →3Northern Nagano PrefectureApr 29, 2026, 16:45 JST · M3.4View report →1Northern Nagano PrefectureApr 28, 2026, 03:25 JST · M2.4View report →1Northern Nagano PrefectureApr 27, 2026, 23:38 JST · M1.8View report →2Northern Nagano PrefectureApr 27, 2026, 23:35 JST · M2.6View report →3Northern Nagano PrefectureApr 27, 2026, 07:45 JST · M3.2View report →1Northern Nagano PrefectureApr 25, 2026, 21:41 JST · M2.9View report →1Northern Nagano PrefectureApr 23, 2026, 02:43 JST · M2.8View report →3Northern Nagano PrefectureApr 23, 2026, 02:42 JST · M4.1View report →2Northern Nagano PrefectureApr 22, 2026, 00:29 JST · M3.1View report →1Northern Nagano PrefectureApr 21, 2026, 22:39 JST · M2.1View report →1Northern Nagano PrefectureApr 21, 2026, 12:54 JST · M2.1View report →1Northern Nagano PrefectureApr 20, 2026, 16:10 JST · M2.4View report →1Northern Nagano PrefectureApr 20, 2026, 15:54 JST · M2.3View report →1Northern Nagano PrefectureApr 20, 2026, 12:06 JST · M1.7View report →2Northern Nagano PrefectureApr 20, 2026, 11:55 JST · M2.7View report →2Northern Nagano PrefectureApr 20, 2026, 07:41 JST · M2.6View report →3Northern Nagano PrefectureApr 19, 2026, 22:10 JST · M2.6View report →1Northern Nagano PrefectureApr 19, 2026, 19:19 JST · M2.3View report →1Northern Nagano PrefectureApr 19, 2026, 09:12 JST · M2.2View report →2Northern Nagano PrefectureApr 19, 2026, 05:08 JST · M2.3View report →1Northern Nagano PrefectureApr 19, 2026, 04:56 JST · M2.1View report →1Northern Nagano PrefectureApr 18, 2026, 23:26 JST · M1.5View report →1Northern Nagano PrefectureApr 18, 2026, 21:41 JST · M1.9View report →1Northern Nagano PrefectureApr 18, 2026, 19:11 JST · M2.4View report →1Northern Nagano PrefectureApr 18, 2026, 18:13 JST · M2.1View report →1Northern Nagano PrefectureApr 18, 2026, 17:50 JST · M1.8View report →3Northern Nagano PrefectureApr 18, 2026, 17:47 JST · M3View report →2Northern Nagano PrefectureApr 18, 2026, 16:53 JST · M2.4View report →3Northern Nagano PrefectureApr 18, 2026, 16:21 JST · M3.6View report →1Northern Nagano PrefectureApr 18, 2026, 16:07 JST · M1.9View report →3Northern Nagano PrefectureApr 18, 2026, 15:33 JST · M3.2View report →1Northern Nagano PrefectureApr 18, 2026, 15:16 JST · M1.8View report →5−Northern Nagano PrefectureApr 18, 2026, 14:54 JST · M5.1View report →