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STATION OBSERVATIONS

南房総市千倉町瀬戸 Shindo history

ChibaMinamiboso City

How strongly did the ground shake at this point? Explore local Shindo readings and the earthquakes behind them.

Latest stored reading
2
Shindo at this station
Epicentre region

Southern Ibaraki Prefecture

Event magnitude
M5.9
Depth
70 km
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Station location

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The marker shows the observation station, not an earthquake epicentre.34.980, 139.960

Stored events
101
Highest stored Shindo
4
First catalogue record
May 25, 2015
Latest catalogue record
Aug 23, 2026

These dates describe records stored by JISHINDESU, not the station’s operating period. No newer entries does not mean there were no earthquakes or that the station has closed.

LOCATION

This station and its surroundings

JISHINDESU links this station to Minamiboso City in Chiba. Explore the locality or prefecture history to see readings from other associated stations, too.

MunicipalityMinamiboso CityExplore local Shindo history →PrefectureChibaExplore prefecture Shindo history →

One station's Shindo reading does not describe shaking across a whole municipality or prefecture. Area pages combine records from stations associated with that area.

Observation history

Showing the 50 most recent stored events out of 101. All times use Japan Standard Time (JST).

  1. 2Southern Ibaraki PrefectureEvent magnitudeM5.9
  2. 1Off the east Coast of Hachijojima IslandEvent magnitudeM5.5
  3. 1Eastern Region · Fuji Five Lakes, Yamanashi PrefectureEvent magnitudeM5.6
  4. 1Northeastern Chiba PrefectureEvent magnitudeM5.8
  5. 1Southern Ibaraki PrefectureEvent magnitudeM5.5
  6. 2Off the Coast of SanrikuEvent magnitudeM7.5
  7. 1Southern Chiba PrefectureEvent magnitudeM3.8
  8. 1Southern Chiba PrefectureEvent magnitudeM4.4
  9. 1Southern Chiba PrefectureEvent magnitudeM3.4
  10. 3Southern Chiba PrefectureEvent magnitudeM4.6
  11. 2Off the east Coast of Aomori PrefectureEvent magnitudeM7.6
  12. 1Off the southeast Coast of Chiba PrefectureEvent magnitudeM5
  13. 1Off the southeast Coast of Chiba PrefectureEvent magnitudeM4.3
  14. 123 wards, TokyoEvent magnitudeM4.1
  15. 1Off the southeast Coast of Chiba PrefectureEvent magnitudeM4.9
  16. 2Off the southeast Coast of Chiba PrefectureEvent magnitudeM4.8
  17. 2Off the southeast Coast of Chiba PrefectureEvent magnitudeM4.5
  18. 1Adjacent Sea of Torishima IslandEvent magnitudeM6
  19. 1Northwestern Chiba PrefectureEvent magnitudeM4.5
  20. 223 wards, TokyoEvent magnitudeM4.7
  21. 2Off the east Coast of Hachijojima IslandEvent magnitudeM5.8
  22. 2Off the east Coast of Chiba PrefectureEvent magnitudeM5.4
  23. 1Off the east Coast of Izu PeninsulaEvent magnitudeM4.9
  24. 1Tokyo BayEvent magnitudeM4.8
  25. 2Noto, Ishikawa PrefectureEvent magnitudeM7.6
  26. 2Off the south Coast of Boso PeninsulaEvent magnitudeM4.7
  27. 1Eastern Kanagawa PrefectureEvent magnitudeM4.2
  28. 2Off the east Coast of Chiba PrefectureEvent magnitudeM6.2
  29. 1Off the southeast Coast of Chiba PrefectureEvent magnitudeM4.2
  30. 3Southern Chiba PrefectureEvent magnitudeM5.4
  31. 2Western Kanagawa PrefectureEvent magnitudeM4.8
  32. 1Southern Chiba PrefectureEvent magnitudeM4.1
  33. 2Off the southeast Coast of Mie PrefectureEvent magnitudeM6.1
  34. 1Southern Chiba PrefectureEvent magnitudeM4.2
  35. 1Northwestern Chiba PrefectureEvent magnitudeM5
  36. 1Off the south Coast of Boso PeninsulaEvent magnitudeM4.6
  37. 1Adjacent Sea of Izu-Oshima IslandEvent magnitudeM4.1
  38. 1Off the southeast Coast of Chiba PrefectureEvent magnitudeM4.8
  39. 1Eastern Tama, TokyoEvent magnitudeM4.6
  40. 1Off the southeast Coast of Chiba PrefectureEvent magnitudeM4.4
  41. 1Northwestern Chiba PrefectureEvent magnitudeM4.7
  42. 1Northwestern Chiba PrefectureEvent magnitudeM4.7
  43. 3Off the Coast of Fukushima PrefectureEvent magnitudeM7.3
  44. 1Southern Ibaraki PrefectureEvent magnitudeM5
  45. 123 wards, TokyoEvent magnitudeM4.6
  46. 3Northwestern Chiba PrefectureEvent magnitudeM6.1
  47. 1Central Sea of JapanEvent magnitudeM6.1
  48. 1Off the south Coast of TokaidoEvent magnitudeM6.2
  49. 1Off the southeast Coast of Chiba PrefectureEvent magnitudeM4.3
  50. 1Off the southeast Coast of Chiba PrefectureEvent magnitudeM4.2

Inside the stored history

Only events stored for this station are included. A year without entries is not evidence that no shaking occurred.

Events by year

  • 20153
  • 20169
  • 20174
  • 20189
  • 201916
  • 20206
  • 202111
  • 202212
  • 20236
  • 20247
  • 20258
  • 202610

Local Shindo distribution

  • Shindo 157
  • Shindo 237
  • Shindo 36
  • Shindo 41
JISHINDESU ON YOUR PHONE

Follow readings near the places that matter

Save your home, family or destination. Compare locally observed Shindo in the app and receive notifications after observation data arrives.

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Earthquake map in the JISHINDESU app

How to read these observations

Shindo describes shaking at the measurement point. Magnitude describes the size of the whole earthquake. Nearby stations can record different Shindo values for the same event, and a station reading is not an exact measurement at your home.

Understanding the Shindo scale →

Sources and catalogue coverage

We display observations stored by JISHINDESU from JMA and P2PQuake reports. The history may be incomplete and reports may be revised. Maximum Shindo here refers to available records, not the station’s entire history.

Sources and methodology →
Technical station details
Catalogue identifier
48a2f7acb5abd7f7b7aa43d2fbba2d54df3c511d1268bb341235227a5693f8b7
Latitude / longitude
34.980, 139.960