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JMA EPICENTRE REGION

Northwestern Chiba Prefecture

千葉県北西部

earthquakes200
Maximum M6.1
Maximum Shindo5+
FirstJan 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 200 confirmed or corrected reports from Jan 31, 2015 to Aug 9, 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 22 in 2021. Yearly counts describe the stored reports, not future activity or relative hazard.

  1. 202611
  2. 202510
  3. 202417
  4. 202319
  5. 202219
  6. 202122
  7. 20206
  8. 201916
  9. 201819
  10. 201722
  11. 201620
  12. 201519

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.

ChibaEarthquakes observed: 177 · Highest local Shindo: 5−TokyoEarthquakes observed: 152 · Highest local Shindo: 5+KanagawaEarthquakes observed: 138 · Highest local Shindo: 5−IbarakiEarthquakes observed: 105 · Highest local Shindo: 4SaitamaEarthquakes observed: 101 · Highest local Shindo: 5+ShizuokaEarthquakes observed: 70 · Highest local Shindo: 4TochigiEarthquakes observed: 55 · Highest local Shindo: 4YamanashiEarthquakes observed: 53 · Highest local Shindo: 4GunmaEarthquakes observed: 48 · Highest local Shindo: 4NaganoEarthquakes observed: 18 · Highest local Shindo: 3FukushimaEarthquakes observed: 13 · Highest local Shindo: 3NiigataEarthquakes observed: 8 · Highest local Shindo: 3

Recent earthquakes

Showing the latest 50 of 200 stored reports, not the complete list.

1Northwestern Chiba PrefectureAug 9, 2026, 18:59 JST · M3.4View report →2Northwestern Chiba PrefectureAug 7, 2026, 16:40 JST · M3.4View report →1Northwestern Chiba PrefectureJun 27, 2026, 03:59 JST · M3.8View report →2Northwestern Chiba PrefectureApr 23, 2026, 23:53 JST · M4View report →1Northwestern Chiba PrefectureApr 15, 2026, 09:49 JST · M2.6View report →1Northwestern Chiba PrefectureApr 5, 2026, 12:13 JST · M2.9View report →1Northwestern Chiba PrefectureApr 4, 2026, 14:29 JST · M3.1View report →1Northwestern Chiba PrefectureFeb 10, 2026, 00:08 JST · M3.3View report →1Northwestern Chiba PrefectureJan 30, 2026, 13:43 JST · M3.2View report →2Northwestern Chiba PrefectureJan 18, 2026, 01:49 JST · M4View report →1Northwestern Chiba PrefectureJan 5, 2026, 07:02 JST · M3.4View report →1Northwestern Chiba PrefectureNov 22, 2025, 19:11 JST · M3.2View report →2Northwestern Chiba PrefectureOct 26, 2025, 22:35 JST · M4.3View report →2Northwestern Chiba PrefectureOct 24, 2025, 15:47 JST · M4View report →1Northwestern Chiba PrefectureJun 20, 2025, 19:55 JST · M3.1View report →2Northwestern Chiba PrefectureJun 13, 2025, 15:18 JST · M4.2View report →1Northwestern Chiba PrefectureJun 9, 2025, 08:15 JST · M3.1View report →2Northwestern Chiba PrefectureApr 20, 2025, 15:11 JST · M4.2View report →1Northwestern Chiba PrefectureMar 30, 2025, 08:47 JST · M3.5View report →1Northwestern Chiba PrefectureMar 24, 2025, 21:49 JST · M3.1View report →1Northwestern Chiba PrefectureJan 10, 2025, 17:39 JST · M3.4View report →2Northwestern Chiba PrefectureDec 8, 2024, 07:39 JST · M4View report →1Northwestern Chiba PrefectureNov 5, 2024, 20:07 JST · M3View report →2Northwestern Chiba PrefectureNov 5, 2024, 00:11 JST · M4.1View report →3Northwestern Chiba PrefectureOct 14, 2024, 19:46 JST · M4.5View report →1Northwestern Chiba PrefectureAug 3, 2024, 02:35 JST · M3.3View report →1Northwestern Chiba PrefectureJul 19, 2024, 21:11 JST · M3.1View report →2Northwestern Chiba PrefectureJun 23, 2024, 22:54 JST · M4.1View report →2Northwestern Chiba PrefectureJun 16, 2024, 19:35 JST · M4.1View report →2Northwestern Chiba PrefectureJun 16, 2024, 19:16 JST · M4.2View report →1Northwestern Chiba PrefectureMay 22, 2024, 06:40 JST · M3.5View report →1Northwestern Chiba PrefectureApr 24, 2024, 02:02 JST · M3.7View report →2Northwestern Chiba PrefectureMar 24, 2024, 01:50 JST · M3.3View report →2Northwestern Chiba PrefectureMar 18, 2024, 18:49 JST · M3.9View report →2Northwestern Chiba PrefectureMar 18, 2024, 03:50 JST · M4.1View report →1Northwestern Chiba PrefectureFeb 10, 2024, 21:40 JST · M3.1View report →1Northwestern Chiba PrefectureFeb 1, 2024, 04:20 JST · M3.5View report →1Northwestern Chiba PrefectureJan 3, 2024, 00:29 JST · M3.2View report →1Northwestern Chiba PrefectureDec 11, 2023, 21:28 JST · M3.5View report →1Northwestern Chiba PrefectureDec 8, 2023, 03:53 JST · M3.7View report →1Northwestern Chiba PrefectureNov 2, 2023, 05:55 JST · M3.4View report →1Northwestern Chiba PrefectureOct 8, 2023, 19:50 JST · M3.5View report →1Northwestern Chiba PrefectureSep 15, 2023, 16:56 JST · M3.7View report →2Northwestern Chiba PrefectureSep 5, 2023, 13:33 JST · M4View report →3Northwestern Chiba PrefectureSep 5, 2023, 13:27 JST · M4.5View report →1Northwestern Chiba PrefectureJul 28, 2023, 17:33 JST · M3.3View report →2Northwestern Chiba PrefectureJun 16, 2023, 21:14 JST · M4View report →1Northwestern Chiba PrefectureJun 4, 2023, 15:50 JST · M4View report →3Northwestern Chiba PrefectureJun 4, 2023, 10:58 JST · M4.6View report →1Northwestern Chiba PrefectureMay 29, 2023, 14:38 JST · M3.5View report →