Great Kanto earthquake

E24973

earthquake historical event natural disaster

The Great Kanto earthquake was a devastating 1923 seismic disaster that struck the Tokyo-Yokohama region of Japan, causing massive destruction and loss of life.

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All labels observed (8)

Label	Occurrences
Great Kantō earthquake	11
1923 Great Kantō earthquake	7
Great Kanto Earthquake	4
1923 Great Kanto earthquake	2
Great Kanto earthquake canonical	2
1923 Great Kanto Earthquake	1
Great Kantō earthquake of 1923	1
関東大震災	1

How this entity was disambiguated

This entity first appeared as the object of triple T196661 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Great Kanto earthquake
Context triple: [Taisho era, majorEvent, Great Kanto earthquake]

A. Great Hanshin earthquake
The Great Hanshin earthquake was a devastating 1995 seismic disaster in Japan that caused widespread destruction and loss of life, particularly in the city of Kobe.
B. 1906 San Francisco earthquake
The 1906 San Francisco earthquake was a devastating magnitude 7.8 seismic event that struck Northern California, causing widespread destruction and fires that nearly leveled San Francisco and became one of the worst natural disasters in U.S. history.
C. Hyogo Prefecture
Hyogo Prefecture is a large and diverse region in Japan’s Kansai area, known for the port city of Kobe, Himeji Castle, and a mix of urban centers, hot springs, and rural landscapes along the Sea of Japan and Seto Inland Sea.
D. 1755 Lisbon earthquake
The 1755 Lisbon earthquake was a devastating seismic event that struck Portugal’s capital on All Saints’ Day, triggering massive fires and a tsunami, and profoundly influencing European philosophy, science, and urban planning.
E. 1989 Loma Prieta earthquake
The 1989 Loma Prieta earthquake was a powerful magnitude 6.9 quake in Northern California that caused widespread damage in the San Francisco Bay Area, including freeway collapses and the disruption of the World Series.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Great Kanto earthquake
Target entity description: The Great Kanto earthquake was a devastating 1923 seismic disaster that struck the Tokyo-Yokohama region of Japan, causing massive destruction and loss of life.

A. Great Hanshin earthquake
The Great Hanshin earthquake was a devastating 1995 seismic disaster in Japan that caused widespread destruction and loss of life, particularly in the city of Kobe.
B. 1906 San Francisco earthquake
The 1906 San Francisco earthquake was a devastating magnitude 7.8 seismic event that struck Northern California, causing widespread destruction and fires that nearly leveled San Francisco and became one of the worst natural disasters in U.S. history.
C. Hyogo Prefecture
Hyogo Prefecture is a large and diverse region in Japan’s Kansai area, known for the port city of Kobe, Himeji Castle, and a mix of urban centers, hot springs, and rural landscapes along the Sea of Japan and Seto Inland Sea.
D. 1755 Lisbon earthquake
The 1755 Lisbon earthquake was a devastating seismic event that struck Portugal’s capital on All Saints’ Day, triggering massive fires and a tsunami, and profoundly influencing European philosophy, science, and urban planning.
E. 1989 Loma Prieta earthquake
The 1989 Loma Prieta earthquake was a powerful magnitude 6.9 quake in Northern California that caused widespread damage in the San Francisco Bay Area, including freeway collapses and the disruption of the World Series.
F. None of above. chosen

Statements (59)

Predicate	Object
instanceOf	earthquake ⓘ historical event ⓘ natural disaster ⓘ
affectedCity	Kawasaki ⓘ Tokyo ⓘ Yokohama ⓘ Yokosuka ⓘ
aftershocksDuration	several months ⓘ
alsoKnownAs	1923 Great Kanto earthquake ⓘ linked to: Great Kanto earthquake Kanto Daishinsai ⓘ
associatedPogrom	Kanto Massacre ⓘ linked to: Kanto Massacre of Koreans
casualtiesEstimate	105000 ⓘ over 100000 deaths ⓘ
causedBy	subduction of the Philippine Sea Plate beneath the Okhotsk Plate ⓘ
commemoratedOn	Disaster Prevention Day ⓘ
commemorationDate	September 1 ⓘ
country	Japan ⓘ
crownPrinceDuringEvent	Hirohito ⓘ linked to: Emperor Hirohito
date	1923-09-01 ⓘ
day	1 ⓘ
depth	23 km ⓘ
destroyedBuildingsEstimate	over 570000 houses ⓘ
displacedPeople	over 1 million ⓘ
economicImpact	severe damage to Japanese economy ⓘ
emperorDuringEvent	Emperor Taisho ⓘ linked to: Emperor Taishō
epicenter	Sagami Bay ⓘ
governmentResponse	emergency decree by Japanese government ⓘ
historicalSignificance	major turning point in modern Japanese urban development ⓘ one of the deadliest earthquakes in Japanese history ⓘ
homelessPeopleEstimate	over 1.9 million ⓘ
injuriesEstimate	hundreds of thousands injured ⓘ
JapaneseName	関東大震災 ⓘ linked to: Great Kanto earthquake
languageOfName	Japanese ⓘ
ledTo	mass violence against Koreans in Japan ⓘ strengthening of building codes in Japan ⓘ urban planning reforms in Tokyo ⓘ
location	Chiba Prefecture ⓘ linked to: Chiba Kanagawa Prefecture ⓘ Kanto region ⓘ linked to: Kantō region Saitama Prefecture ⓘ Shizuoka Prefecture ⓘ Tokyo ⓘ Yokohama ⓘ
magnitude	7.9 Ms ⓘ 7.9 Mw ⓘ
mainCauseOfDamage	fire ⓘ
maximumIntensity	X (Extreme) on the Mercalli intensity scale ⓘ
month	September ⓘ
notableIncident	Great Tokyo fire whirl at Rikugun Honjo Hifukusho ⓘ
plateBoundary	subduction zone ⓘ
reconstructionProgram	Tokyo reconstruction plan ⓘ
region	Honshu ⓘ
time	11:58 JST ⓘ
triggered	fires ⓘ landslides ⓘ tsunami in Sagami Bay ⓘ
tsunami	yes ⓘ
type	megathrust earthquake ⓘ
year	1923 ⓘ

How these facts were elicited