2011 Tōhoku earthquake and tsunami

megathrust earthquake off the east coast of Japan
Event megathrust_earthquake Q36204
2011 Tōhoku earthquake and tsunami
U.S. Navy photo · Public Domain · Wikimedia
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Summary

2011 Tōhoku earthquake and tsunami is a megathrust earthquake[1].

Key Facts

  • Country: Japan[2]
  • Instance of: tsunami[3], off Sanriku earthquake[4], multi-segment earthquake[5], 超巨大地震[6]
  • Follows: March 2011 Sanriku earthquake[7]
  • Location: North Pacific Ocean[8]
  • Point in time: March 11, 2011[9]
  • Has cause: mechanism of the 2011 Tōhoku earthquake and tsunami[10]
  • Number of deaths: 19,759[11]
  • Number of injured: 6242[12]
  • Topic has template: Template:2011 Tohoku earthquake and tsunami casualties dead[13]
  • Number of missing: 2553[14]
  • Official name: 平成23年(2011年)東北地方太平洋沖地震[15], The 2011 off the Pacific coast of Tohoku Earthquake[16]
  • Has effect: aftermath of the 2011 Tōhoku earthquake and tsunami[17], Fukushima Daiichi nuclear disaster[18]
  • Duration: 160 seconds[19]
  • Aftershocks: 13,386[20]
  • Earthquake magnitude on the moment magnitude scale: 9.1[21]
  • Earthquake magnitude on the Richter magnitude scale: 9.0[22]
  • Cost of damage: 16,900,000,000,000 yen[23], 21,500,000,000,000 yen[24]
  • Modified Mercalli intensity scale: Mercalli scale IX[25]
  • Damaged: building[26]
  • Destroyed: building[27]
  • Vertical depth: 32 km[28], 24 km[29]
  • On focus list of Wikimedia project: Wikipedia:Vital articles/Level/4[30]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . data.jma.go.jp. Retrieved . data.jma.go.jp. Provenance: wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . fdma.go.jp. fdma.go.jp. Provenance: wikidata.org.
  11. [12] ↑ . web.archive.org. web.archive.org. Provenance: wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . web.archive.org. web.archive.org. Provenance: wikidata.org.
  14. [15] ↑ . jma.go.jp. Retrieved . jma.go.jp. Provenance: wikidata.org.
  15. [16] ↑ . jma.go.jp. Retrieved . jma.go.jp. Provenance: wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [19] ↑ . jstage.jst.go.jp. Retrieved . jstage.jst.go.jp. Provenance: wikidata.org.
  19. [20] ↑ . jma.go.jp. jma.go.jp. Provenance: wikidata.org.
  20. [21] ↑ . earthquake.usgs.gov. earthquake.usgs.gov. Provenance: wikidata.org.
  21. [22] ↑ . wikidata.org.
  22. [23] ↑ . bousai.go.jp. bousai.go.jp. Provenance: wikidata.org.
  23. [24] ↑ . meti.go.jp. meti.go.jp. Provenance: wikidata.org.
  24. [25] ↑ . earthquake.usgs.gov. Retrieved . earthquake.usgs.gov. Provenance: wikidata.org.
  25. [26] ↑ . npa.go.jp. npa.go.jp. Provenance: wikidata.org.
  26. [27] ↑ . npa.go.jp. npa.go.jp. Provenance: wikidata.org.
  27. [28] ↑ . wikidata.org.
  28. [29] ↑ . jma.go.jp. jma.go.jp. Provenance: wikidata.org.
  29. [30] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 5d ago · Kakan spelar · 2026-10-26 view diff on Wikidata ↗
    Google news topics id → CAAqKAgKIiJDQkFTRXdvS0wyMHZNR2RvTm0xcll4SUZaVzR0UjBJb0FBUAE
    Claims rich → —
    "/* wbsetclaim-create:2||1 */ Google news topics id: CAAqKAgKIiJDQkFTRXdvS0wyMHZNR2RvTm0xcll4SUZaVzR0UjBJb0FBUAE"
  2. 16w ago · Ksn.kenny · 2026-07-08 view diff on Wikidata ↗
    National library of israel j9u id → 987007597789405171
    "/* wbsetclaim-create:2||1 */ National library of israel j9u id: 987007597789405171"
  3. 17w ago · Susmuffin · 2026-07-04 view diff on Wikidata ↗
    Number of injured → {'amount': '+6242'}
    Local thumb → —
    On focus list of wikimedia project → Wikipedia:Vital articles/Level/4
    Number of evacuated → {'amount': '+470000'}, {'amount': '+38139'}
    + 32 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:1||1 */ Harper's tag: tohoku-earthquake-and-tsunami, Matched to [[:toollabs:mix-n-match/#/entry/289970582|tohoku earthquake and tsunami (#289970582)]] in [[:toollabs:mix-n-"
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