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DAILY EARTHQUAKE ARCHIVE

Earthquakes in Japan on December 6, 2021

Replay earthquakes recorded on this day at their actual occurrence times and inspect every available report.

earthquakes
61
strongest Shindo
3
largest magnitude
M4.4
Shindo 1+ events
61

Replay one day of earthquakes

2021-12-06 · JST00:00:00Pause
Shindo12345−5+6−6+7
00:0006:0012:0018:0024:00
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JISHINDESU catalogue organised from JMA and P2PQuake data. Times use JST. Points are reported epicentres and observations, not simulated wave propagation.

Reading the daily record

How to read the record for December 6, 2021

The JISHINDESU catalogue contains 61 earthquakes for this day; 61 reached maximum Shindo 1 or higher. The day's highest Shindo was 3, and its largest reported magnitude was M4.4.

Earthquake with the day's highest ShindoOff the Coast of Fukushima Prefecture17:09:00 JST · M4.4 · Shindo 3
01

Catalogue time, not a wave simulation

The replay reveals reports at their recorded JST origin times. Station dots show observed Shindo, but the moment they appear is not a measured seismic-wave arrival time.

02

Shindo and magnitude measure different things

Magnitude describes the earthquake at its source; Shindo describes shaking at each station. One earthquake can therefore produce different Shindo readings by location.

Shindo and magnitude explained →
03

A record can be updated later

Follow-up bulletins and corrections for the same earthquake are consolidated into one record. Each report page shows the current values and any available revision history.

Data and methodology →
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Daily record

Earthquake reports

61 earthquakes · Shindo 3 · M4.4

December 6, 2021

  1. 震度1Adjacent Sea of Tokara Islandsトカラ列島近海00:00 JSTconfirmedM2.9Depth: 20 km
  2. 震度1Adjacent Sea of Tokara Islandsトカラ列島近海00:15 JSTconfirmedM3.0Depth: 30 km
  3. 震度1Adjacent Sea of Tokara Islandsトカラ列島近海00:34 JSTconfirmedM2.5Depth: 20 km
  4. 震度1Adjacent Sea of Tokara Islandsトカラ列島近海00:35 JSTconfirmedM2.9Depth: 30 km
  5. 震度1Adjacent Sea of Tokara Islandsトカラ列島近海00:46 JSTconfirmedM2.0Depth: 20 km
  6. 震度1Adjacent Sea of Tokara Islandsトカラ列島近海01:34 JSTconfirmedM2.4Depth: 20 km
  7. 震度1Adjacent Sea of Tokara Islandsトカラ列島近海01:48 JSTconfirmedM2.8Depth: 20 km
  8. 震度1Adjacent Sea of Tokara Islandsトカラ列島近海02:24 JSTconfirmedM2.4Depth: 20 km
  9. 震度2Adjacent Sea of Tokara Islandsトカラ列島近海03:14 JSTconfirmedM3.1Depth: 30 km
  10. 震度2Adjacent Sea of Tokara Islandsトカラ列島近海04:33 JSTconfirmedM3.4Depth: 20 km
  11. 震度1Adjacent Sea of Tokara Islandsトカラ列島近海04:53 JSTconfirmedM3.1Depth: 20 km
  12. 震度1Adjacent Sea of Tokara Islandsトカラ列島近海05:52 JSTconfirmedM2.1Depth: 20 km
  13. 震度1Kumamoto Region, Kumamoto Prefecture熊本県熊本地方05:53 JSTconfirmedM2.6Depth: 10 km
  14. 震度1Kumamoto Region, Kumamoto Prefecture熊本県熊本地方06:49 JSTconfirmedM2.3Depth: 10 km
  15. 震度2Adjacent Sea of Tokara Islandsトカラ列島近海07:17 JSTconfirmedM3.7Depth: 20 km
  16. 震度1Adjacent Sea of Tokara Islandsトカラ列島近海07:47 JSTconfirmedM2.7Depth: 20 km
  17. 震度2Adjacent Sea of Tokara Islandsトカラ列島近海08:17 JSTconfirmedM3.6Depth: 20 km
  18. 震度2Adjacent Sea of Tokara Islandsトカラ列島近海09:24 JSTconfirmedM3.6Depth: 20 km
  19. 震度1Adjacent Sea of Tokara Islandsトカラ列島近海09:46 JSTconfirmedM3.2Depth: 30 km
  20. 震度1Adjacent Sea of Tokara Islandsトカラ列島近海10:43 JSTconfirmedM2.5Depth: 20 km
  21. 震度2Adjacent Sea of Tokara Islandsトカラ列島近海10:47 JSTconfirmedM3.3Depth: 20 km
  22. 震度2Adjacent Sea of Tokara Islandsトカラ列島近海10:55 JSTconfirmedM3.2Depth: 20 km
  23. 震度3Adjacent Sea of Tokara Islandsトカラ列島近海10:59 JSTconfirmedM4.2Depth: 20 km
  24. 震度1Adjacent Sea of Tokara Islandsトカラ列島近海11:02 JSTconfirmedM2.6Depth: 20 km
  25. 震度2Adjacent Sea of Izu-Oshima Island伊豆大島近海11:09 JSTconfirmedM2.2Depth: 0 km
  26. 震度2Adjacent Sea of Tokara Islandsトカラ列島近海11:09 JSTconfirmedM3.0Depth: 20 km
  27. 震度1Adjacent Sea of Tokara Islandsトカラ列島近海11:11 JSTconfirmedM2.7Depth: 10 km
  28. 震度1Adjacent Sea of Tokara Islandsトカラ列島近海11:16 JSTconfirmedM2.9Depth: 20 km
  29. 震度1Adjacent Sea of Tokara Islandsトカラ列島近海11:21 JSTconfirmedM2.8Depth: 20 km
  30. 震度1Adjacent Sea of Tokara Islandsトカラ列島近海11:26 JSTconfirmedM3.1Depth: 20 km
  31. 震度1Adjacent Sea of Tokara Islandsトカラ列島近海11:30 JSTconfirmedM3.1Depth: 20 km
  32. 震度2Adjacent Sea of Tokara Islandsトカラ列島近海11:36 JSTconfirmedM3.4Depth: 20 km
  33. 震度2Adjacent Sea of Tokara Islandsトカラ列島近海12:49 JSTconfirmedM2.8Depth: 20 km
  34. 震度1Adjacent Sea of Tokara Islandsトカラ列島近海12:54 JSTconfirmedM3.0Depth: 20 km
  35. 震度1Adjacent Sea of Izu-Oshima Island伊豆大島近海13:40 JSTconfirmedM2.1Depth: 0 km
  36. 震度2Adjacent Sea of Izu-Oshima Island伊豆大島近海13:47 JSTconfirmedM3.2Depth: 0 km
  37. 震度1Adjacent Sea of Izu-Oshima Island伊豆大島近海13:50 JSTconfirmedM2.3Depth: 0 km
  38. 震度1Adjacent Sea of Izu-Oshima Island伊豆大島近海14:34 JSTconfirmedM2.0Depth: 0 km
  39. 震度2Adjacent Sea of Tokara Islandsトカラ列島近海15:14 JSTconfirmedM3.1Depth: 20 km
  40. 震度1Adjacent Sea of Izu-Oshima Island伊豆大島近海15:14 JSTconfirmedM2.1Depth: 0 km
  41. 震度1Adjacent Sea of Tokara Islandsトカラ列島近海15:31 JSTconfirmedM2.6Depth: 20 km
  42. 震度1Adjacent Sea of Tokara Islandsトカラ列島近海15:53 JSTconfirmedM2.5Depth: 20 km
  43. 震度1Adjacent Sea of Tokara Islandsトカラ列島近海15:57 JSTconfirmedM2.6Depth: 20 km
  44. 震度3Off the Coast of Fukushima Prefecture福島県沖17:09 JSTconfirmedM4.4Depth: 60 km
  45. 震度1Adjacent Sea of Tokara Islandsトカラ列島近海18:40 JSTconfirmedM3.0Depth: 20 km
  46. 震度1Adjacent Sea of Izu-Oshima Island伊豆大島近海19:31 JSTconfirmedM2.3Depth: 0 km
  47. 震度1Adjacent Sea of Izu-Oshima Island伊豆大島近海19:57 JSTconfirmedM2.1Depth: 0 km
  48. 震度1Adjacent Sea of Izu-Oshima Island伊豆大島近海20:41 JSTconfirmedM2.6Depth: 0 km
  49. 震度1Adjacent Sea of Izu-Oshima Island伊豆大島近海20:45 JSTconfirmedM2.1Depth: 0 km
  50. 震度1Adjacent Sea of Izu-Oshima Island伊豆大島近海20:48 JSTconfirmedM2.0Depth: 0 km
  51. 震度1Off the Coast of Fukushima Prefecture福島県沖20:54 JSTconfirmedM3.4Depth: 30 km
  52. 震度1Adjacent Sea of Izu-Oshima Island伊豆大島近海20:55 JSTconfirmedM3.1Depth: 0 km
  53. 震度1Adjacent Sea of Izu-Oshima Island伊豆大島近海21:35 JSTconfirmedM2.8Depth: 0 km
  54. 震度1Adjacent Sea of Izu-Oshima Island伊豆大島近海21:40 JSTconfirmedM2.4Depth: 0 km
  55. 震度1Adjacent Sea of Izu-Oshima Island伊豆大島近海21:43 JSTconfirmedM2.8Depth: 0 km
  56. 震度1Adjacent Sea of Izu-Oshima Island伊豆大島近海21:44 JSTconfirmedM2.7Depth: 0 km
  57. 震度1Adjacent Sea of Izu-Oshima Island伊豆大島近海21:45 JSTconfirmedM2.3Depth: 0 km
  58. 震度1Adjacent Sea of Izu-Oshima Island伊豆大島近海21:51 JSTconfirmedM2.7Depth: 0 km
  59. 震度1Adjacent Sea of Tokara Islandsトカラ列島近海22:46 JSTconfirmedM3.0Depth: 20 km
  60. 震度2Off the east Coast of Aomori Prefecture青森県東方沖23:33 JSTconfirmedM4.3Depth: 70 km
  61. 震度1Adjacent Sea of Tokara Islandsトカラ列島近海23:37 JSTconfirmedM2.9Depth: 20 km