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March 2011 Sanriku earthquake

earthquake in Japan
Event off_sanriku_earthquake Q11358261
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Key Facts

  • Located in the administrative territorial entity: Miyagi Prefecture[1]
  • Country: Japan[2]
  • Instance of: foreshock[3]
  • Followed by: 2011 Tōhoku earthquake and tsunami[4]
  • Point in time: March 9, 2011[5]
  • Located in/on physical feature: North Pacific Ocean[6]
  • Earthquake magnitude on the moment magnitude scale: 7.3[7], 7.4[8]
  • Vertical depth: 8 km[9]
  • JMA Seismic Intensity Scale: shindo 5-lower[10]
  • JMA Magnitude: 7.3[11]

Related Entities

Japan

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. [1] ↑ . wikidata.org.
  4. [4] ↑ . wikidata.org.
  5. [5] ↑ . data.jma.go.jp. Retrieved . data.jma.go.jp. Provenance: wikidata.org.
  6. [6] ↑ . wikidata.org.
  7. [7] ↑ . data.jma.go.jp. Retrieved . data.jma.go.jp. Provenance: wikidata.org.
  8. [8] ↑ . isc-mirror.iris.washington.edu. Retrieved . isc-mirror.iris.washington.edu. Provenance: wikidata.org.
  9. [9] ↑ . data.jma.go.jp. Retrieved . data.jma.go.jp. Provenance: wikidata.org.
  10. [10] ↑ . wikidata.org.
  11. [11] ↑ . data.jma.go.jp. Retrieved . data.jma.go.jp. Provenance: wikidata.org.

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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). March 2011 Sanriku earthquake. Retrieved October 29, 2026, from https://4ort.xyz/entity/march-2011-sanriku-earthquake
MLA “March 2011 Sanriku earthquake.” 4ort.xyz Knowledge Graph, 4ort.xyz, 29 Oct. 2026, https://4ort.xyz/entity/march-2011-sanriku-earthquake.
BibTeX @misc{4ortxyz_march-2011-sanriku-earthquake_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{March 2011 Sanriku earthquake}}, year = {2026}, url = {https://4ort.xyz/entity/march-2011-sanriku-earthquake}, note = {Accessed: 2026-10-29}}
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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. 16w ago · Peka · 2026-07-08 view diff on Wikidata ↗
    Aliases → —
    Country → Japan
    Followed by → —
    Coordinate location → {'lat': 38.32833333333333, 'lon': 143.27833333333334}
    + 14 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update:2||1 */ Jma seismic intensity database id: 20110309114512"
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