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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2011 Tōhoku earthquake and tsunami

Summary

2011 Tōhoku earthquake and tsunami is a megathrust earthquake[1]. It has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • 2011 Tōhoku earthquake and tsunami is in the country of Japan[3].
  • 2011 Tōhoku earthquake and tsunami's instance of is recorded as megathrust earthquake[4].
  • 2011 Tōhoku earthquake and tsunami's instance of is recorded as tsunami[5].
  • 2011 Tōhoku earthquake and tsunami's instance of is recorded as off Sanriku earthquake[6].
  • 2011 Tōhoku earthquake and tsunami's instance of is recorded as multi-segment earthquake[7].
  • 2011 Tōhoku earthquake and tsunami's instance of is recorded as Q18460157[8].
  • 2011 Tōhoku earthquake and tsunami followed March 2011 Sanriku earthquake[9].
  • The location of 2011 Tōhoku earthquake and tsunami was North Pacific Ocean[10].
  • 2011 Tōhoku earthquake and tsunami's Commons category is recorded as 2011 Tōhoku earthquake[11].
  • 2011 Tōhoku earthquake and tsunami took place on March 11, 2011[12].
  • 2011 Tōhoku earthquake and tsunami's coordinate location is recorded as {'lat': 38.322, 'lon': 142.369}[13].
  • 2011 Tōhoku earthquake and tsunami's coordinate location is recorded as {'lat': 38.103333333333, 'lon': 142.86}[14].
  • 2011 Tōhoku earthquake and tsunami's has cause is recorded as mechanism of the 2011 Tōhoku earthquake and tsunami[15].
  • 2011 Tōhoku earthquake and tsunami's topic's main category is recorded as Category:2011 Tōhoku earthquake and tsunami[16].
  • 2011 Tōhoku earthquake and tsunami resulted in {'amount': '+19759'} deaths[17].
  • 2011 Tōhoku earthquake and tsunami caused {'amount': '+6242'} injuries[18].
  • 2011 Tōhoku earthquake and tsunami's topic has template is recorded as Template:2011 Tohoku earthquake and tsunami casualties dead[19].
  • 2011 Tōhoku earthquake and tsunami's number of missing is recorded as {'amount': '+2553'}[20].
  • 2011 Tōhoku earthquake and tsunami's official name is recorded as {'lang': 'ja', 'text': '平成23年(2011年)東北地方太平洋沖地震'}[21].
  • 2011 Tōhoku earthquake and tsunami's official name is recorded as {'lang': 'en', 'text': 'The 2011 off the Pacific coast of Tohoku Earthquake'}[22].
  • 2011 Tōhoku earthquake and tsunami's has effect is recorded as aftermath of the 2011 Tōhoku earthquake and tsunami[23].
  • 2011 Tōhoku earthquake and tsunami's has effect is recorded as Fukushima Daiichi nuclear disaster[24].
  • 2011 Tōhoku earthquake and tsunami's duration is recorded as {'unit': 'Q11574', 'amount': '+160'}[25].
  • 2011 Tōhoku earthquake and tsunami's aftershocks is recorded as {'amount': '+13386'}[26].
  • 2011 Tōhoku earthquake and tsunami's earthquake magnitude on the moment magnitude scale is recorded as {'amount': '+9.1'}[27].

Body

When and Where

2011 Tōhoku earthquake and tsunami occurred on March 11, 2011[12]. It took place at North Pacific Ocean[10]. It is in the country of Japan[3].

Context

Recorded instance of include megathrust earthquake[4], tsunami[5], off Sanriku earthquake[6], multi-segment earthquake[7], and Q18460157[8]. 2011 Tōhoku earthquake and tsunami followed March 2011 Sanriku earthquake[9].

Outcome and Impact

2011 Tōhoku earthquake and tsunami resulted in {'amount': '+19759'} deaths[17]. It caused {'amount': '+6242'} injuries[18].

Why It Matters

2011 Tōhoku earthquake and tsunami has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[2] It is known by 296 alternative names across languages and contexts.[28]

References

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

Direct Wikidata claims

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

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikidata sitelinks. wikidata.org.
  2. [28] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). 2011 Tōhoku earthquake and tsunami. Retrieved May 3, 2026, from https://4ort.xyz/entity/2011-t-hoku-earthquake-and-tsunami
MLA “2011 Tōhoku earthquake and tsunami.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/2011-t-hoku-earthquake-and-tsunami.
BibTeX @misc{4ortxyz_2011-t-hoku-earthquake-and-tsunami_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{2011 Tōhoku earthquake and tsunami}}, year = {2026}, url = {https://4ort.xyz/entity/2011-t-hoku-earthquake-and-tsunami}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 2011 Tōhoku earthquake and tsunami — https://4ort.xyz/entity/2011-t-hoku-earthquake-and-tsunami (retrieved 2026-05-03)

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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. 1d 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 */ [[Property:P13772]]: tohoku-earthquake-and-tsunami, Matched to [[:toollabs:mix-n-match/#/entry/289970582|tohoku earthquake and tsunami (#289970582)]] in [[:toollabs:mix-n-"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.