2021 Chiba earthquake

2021 earthquake in Japan
Event earthquake Q108825568
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2021 Chiba earthquake

Summary

2021 Chiba earthquake is an earthquake[1]. It draws 72 Wikipedia views per month (earthquake category, ranking #126 of 869).[2]

Key Facts

  • 2021 Chiba earthquake is located in Chiba Prefecture[3].
  • 2021 Chiba earthquake is in the country of Japan[4].
  • 2021 Chiba earthquake's instance of is recorded as earthquake[5].
  • 2021 Chiba earthquake's instance of is recorded as natural disaster[6].
  • 2021 Chiba earthquake's instance of is recorded as disaster[7].
  • The location of 2021 Chiba earthquake was Chiba[8].
  • 2021 Chiba earthquake's Commons category is recorded as 2021 Chiba earthquake[9].
  • 2021 Chiba earthquake took place on October 7, 2021[10].
  • 2021 Chiba earthquake's coordinate location is recorded as {'lat': 35.577, 'lon': 140.07}[11].
  • 2021 Chiba earthquake resulted in {'amount': '+0'} deaths[12].
  • 2021 Chiba earthquake caused {'amount': '+47'} injuries[13].
  • 2021 Chiba earthquake's earthquake magnitude on the moment magnitude scale is recorded as {'amount': '+5.9'}[14].
  • 2021 Chiba earthquake's vertical depth is recorded as {'unit': 'Q828224', 'amount': '+62'}[15].
  • 2021 Chiba earthquake's JMA Seismic Intensity Scale is recorded as shindo 5-upper[16].
  • 2021 Chiba earthquake's JMA Magnitude is recorded as {'amount': '+5.9'}[17].

Body

When and Where

2021 Chiba earthquake took place on October 7, 2021[10]. It took place at Chiba[8]. It is in the country of Japan[4].

Context

Recorded instance of include earthquake[5], natural disaster[6], and disaster[7].

Outcome and Impact

2021 Chiba earthquake resulted in {'amount': '+0'} deaths[12]. It caused {'amount': '+47'} injuries[13].

Why It Matters

2021 Chiba earthquake draws 72 Wikipedia views per month (earthquake category, ranking #126 of 869).[2] It has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[18] It is known by 3 alternative names across languages and contexts.[19]

References

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

Direct Wikidata claims

  1. [4] . wikidata.org.
  2. [5] . wikidata.org.
  3. [6] . wikidata.org.
  4. [7] . wikidata.org.
  5. [3] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . fdma.go.jp. fdma.go.jp. Provenance: wikidata.org.
  12. [14] . earthquake.usgs.gov. wikidata.org.
  13. [15] . earthquake.usgs.gov. wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [18] . Wikidata sitelinks. wikidata.org.
  3. [19] . 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). 2021 Chiba earthquake. Retrieved May 3, 2026, from https://4ort.xyz/entity/2021-chiba-earthquake
MLA “2021 Chiba earthquake.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/2021-chiba-earthquake.
BibTeX @misc{4ortxyz_2021-chiba-earthquake_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{2021 Chiba earthquake}}, year = {2026}, url = {https://4ort.xyz/entity/2021-chiba-earthquake}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 2021 Chiba earthquake — https://4ort.xyz/entity/2021-chiba-earthquake (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/2021-chiba-earthquake · Last refreshed:

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. 2d ago · Kugelschreibers · 2026-06-25 view diff on Wikidata ↗
    Point in time +2021-10-07T00:00:00Z
    Aliases
    Country
    Number of injured {'amount': '+47'}
    + 14 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update:2||1|3 */ [[Property:P5386]]: [[Q54216815]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.