Off the east Coast of Chiba Prefecture
千葉県東方沖
earthquakes470
Maximum M6.2
Maximum Shindo5−
FirstJan 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 470 confirmed or corrected reports from Jan 18, 2015 to Oct 12, 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.
Largest recorded magnitude
Stored reports by year
The largest number of stored reports is 60 in 2024. Yearly counts describe the stored reports, not future activity or relative hazard.
- 202612
- 202518
- 202460
- 202342
- 202230
- 202130
- 202040
- 201931
- 201854
- 201747
- 201652
- 201554
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: 465 · Highest local Shindo: 5−IbarakiEarthquakes observed: 176 · Highest local Shindo: 5−KanagawaEarthquakes observed: 62 · Highest local Shindo: 3TokyoEarthquakes observed: 58 · Highest local Shindo: 3SaitamaEarthquakes observed: 57 · Highest local Shindo: 4TochigiEarthquakes observed: 39 · Highest local Shindo: 3ShizuokaEarthquakes observed: 34 · Highest local Shindo: 3GunmaEarthquakes observed: 19 · Highest local Shindo: 2FukushimaEarthquakes observed: 16 · Highest local Shindo: 3YamanashiEarthquakes observed: 15 · Highest local Shindo: 3NaganoEarthquakes observed: 12 · Highest local Shindo: 2NiigataEarthquakes observed: 11 · Highest local Shindo: 3
Recent earthquakes
Showing the latest 50 of 470 stored reports, not the complete list.
2Off the east Coast of Chiba PrefectureOct 12, 2026, 01:24 JST · M4.3View report →2Off the east Coast of Chiba PrefectureOct 8, 2026, 04:36 JST · M3.9View report →4Off the east Coast of Chiba PrefectureAug 30, 2026, 00:17 JST · M4.8View report →1Off the east Coast of Chiba PrefectureAug 8, 2026, 16:55 JST · M3.2View report →2Off the east Coast of Chiba PrefectureJul 18, 2026, 04:45 JST · M4.3View report →1Off the east Coast of Chiba PrefectureJun 19, 2026, 03:44 JST · M3.7View report →1Off the east Coast of Chiba PrefectureMay 23, 2026, 15:20 JST · M3.5View report →1Off the east Coast of Chiba PrefectureMay 21, 2026, 00:23 JST · M3.5View report →1Off the east Coast of Chiba PrefectureFeb 19, 2026, 22:45 JST · M3.2View report →1Off the east Coast of Chiba PrefectureFeb 11, 2026, 16:46 JST · M3.2View report →2Off the east Coast of Chiba PrefectureFeb 4, 2026, 03:36 JST · M4.3View report →1Off the east Coast of Chiba PrefectureJan 14, 2026, 11:50 JST · M4.2View report →1Off the east Coast of Chiba PrefectureDec 12, 2025, 07:27 JST · M3.2View report →2Off the east Coast of Chiba PrefectureDec 11, 2025, 12:43 JST · M3.9View report →1Off the east Coast of Chiba PrefectureDec 9, 2025, 19:18 JST · M3View report →2Off the east Coast of Chiba PrefectureNov 16, 2025, 16:03 JST · M3.8View report →1Off the east Coast of Chiba PrefectureNov 12, 2025, 06:15 JST · M3.7View report →1Off the east Coast of Chiba PrefectureNov 12, 2025, 06:13 JST · M3.4View report →1Off the east Coast of Chiba PrefectureNov 12, 2025, 06:12 JST · M2.8View report →1Off the east Coast of Chiba PrefectureNov 12, 2025, 05:51 JST · M3.4View report →1Off the east Coast of Chiba PrefectureSep 19, 2025, 03:39 JST · M4.4View report →1Off the east Coast of Chiba PrefectureJul 15, 2025, 01:15 JST · M3.6View report →1Off the east Coast of Chiba PrefectureJul 12, 2025, 19:46 JST · M3.2View report →1Off the east Coast of Chiba PrefectureJul 4, 2025, 14:08 JST · M3.2View report →1Off the east Coast of Chiba PrefectureJun 30, 2025, 16:40 JST · M3.2View report →1Off the east Coast of Chiba PrefectureMay 28, 2025, 09:31 JST · M3.2View report →3Off the east Coast of Chiba PrefectureApr 7, 2025, 09:52 JST · M5View report →1Off the east Coast of Chiba PrefectureMar 30, 2025, 14:30 JST · M3.9View report →1Off the east Coast of Chiba PrefectureFeb 17, 2025, 02:16 JST · M3.2View report →2Off the east Coast of Chiba PrefectureJan 24, 2025, 14:31 JST · M3.7View report →2Off the east Coast of Chiba PrefectureDec 28, 2024, 01:56 JST · M4.2View report →2Off the east Coast of Chiba PrefectureDec 15, 2024, 10:58 JST · M3.6View report →2Off the east Coast of Chiba PrefectureDec 10, 2024, 05:33 JST · M4.8View report →1Off the east Coast of Chiba PrefectureNov 30, 2024, 22:56 JST · M2.8View report →3Off the east Coast of Chiba PrefectureNov 16, 2024, 02:58 JST · M5.1View report →1Off the east Coast of Chiba PrefectureOct 20, 2024, 17:24 JST · M3.7View report →1Off the east Coast of Chiba PrefectureOct 14, 2024, 12:04 JST · M3View report →1Off the east Coast of Chiba PrefectureOct 2, 2024, 23:40 JST · M4.2View report →1Off the east Coast of Chiba PrefectureOct 1, 2024, 16:03 JST · M3.7View report →1Off the east Coast of Chiba PrefectureSep 30, 2024, 02:53 JST · M3.6View report →2Off the east Coast of Chiba PrefectureJul 26, 2024, 20:17 JST · M3.5View report →1Off the east Coast of Chiba PrefectureJul 16, 2024, 18:02 JST · M4.5View report →1Off the east Coast of Chiba PrefectureJul 6, 2024, 07:53 JST · M3.5View report →4Off the east Coast of Chiba PrefectureJul 4, 2024, 12:12 JST · M5.4View report →1Off the east Coast of Chiba PrefectureJun 27, 2024, 22:45 JST · M3.5View report →1Off the east Coast of Chiba PrefectureJun 16, 2024, 06:26 JST · M3View report →3Off the east Coast of Chiba PrefectureJun 6, 2024, 09:03 JST · M4.7View report →2Off the east Coast of Chiba PrefectureMay 22, 2024, 13:56 JST · M3.3View report →2Off the east Coast of Chiba PrefectureApr 27, 2024, 17:11 JST · M3.2View report →1Off the east Coast of Chiba PrefectureApr 3, 2024, 09:46 JST · M3.3View report →