1707 Hoei earthquake
E382179
The 1707 Hoei earthquake was a massive megathrust earthquake off southwestern Japan that triggered widespread destruction and a large tsunami, and is one of the most powerful earthquakes in Japanese history.
All labels observed (2)
| Label | Occurrences |
|---|---|
| 1707 Hoei earthquake canonical | 2 |
| 1707 Hōei earthquake | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3646891 — 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: 1707 Hoei earthquake Context triple: [Nankai Trough, associatedEarthquake, 1707 Hoei earthquake]
-
A.
1854 Ansei-Tokai earthquake
The 1854 Ansei-Tokai earthquake was a major Edo-period megathrust earthquake and tsunami that struck central Japan, causing widespread destruction and loss of life along the Pacific coast.
-
B.
1944 Tonankai earthquake
The 1944 Tonankai earthquake was a powerful undersea megathrust earthquake off the coast of Japan that generated a destructive tsunami and caused extensive damage and loss of life in the Tōkai and Kii Peninsula regions during World War II.
-
C.
1946 Nankai earthquake
The 1946 Nankai earthquake was a powerful megathrust earthquake off the coast of southwestern Japan that generated a destructive tsunami and caused widespread damage and casualties in the Nankai region.
-
D.
Great Kanto earthquake
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.
-
E.
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.
- 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: 1707 Hoei earthquake Target entity description: The 1707 Hoei earthquake was a massive megathrust earthquake off southwestern Japan that triggered widespread destruction and a large tsunami, and is one of the most powerful earthquakes in Japanese history.
-
A.
1854 Ansei-Tokai earthquake
The 1854 Ansei-Tokai earthquake was a major Edo-period megathrust earthquake and tsunami that struck central Japan, causing widespread destruction and loss of life along the Pacific coast.
-
B.
1944 Tonankai earthquake
The 1944 Tonankai earthquake was a powerful undersea megathrust earthquake off the coast of Japan that generated a destructive tsunami and caused extensive damage and loss of life in the Tōkai and Kii Peninsula regions during World War II.
-
C.
1946 Nankai earthquake
The 1946 Nankai earthquake was a powerful megathrust earthquake off the coast of southwestern Japan that generated a destructive tsunami and caused widespread damage and casualties in the Nankai region.
-
D.
Great Kanto earthquake
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.
-
E.
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.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
megathrust earthquake
ⓘ
tsunami-generating earthquake ⓘ |
| affectedRegion |
Chugoku region
ⓘ
linked to:
Chūgoku region
Kii Peninsula ⓘ Kochi NERFINISHED ⓘ Kyushu ⓘ Osaka ⓘ Seto Inland Sea coasts ⓘ
linked to:
Seto Inland Sea coast
Shikoku ⓘ Tokushima NERFINISHED ⓘ Wakayama NERFINISHED ⓘ |
| casualties | thousands of deaths ⓘ |
| country | Japan ⓘ |
| damage | widespread destruction of buildings and infrastructure in southwestern Japan ⓘ |
| date | 1707-10-28 ⓘ |
| epicenterRegion | off Shikoku and Kyushu ⓘ |
| era |
Hoei era
ⓘ
linked to:
Hōei era
|
| faultType | subduction zone megathrust ⓘ |
| followedBy |
1707 Hoei eruption of Mount Fuji
ⓘ
linked to:
Hōei eruption
|
| historicalPeriod | Edo period ⓘ |
| intensityScale | Japan Meteorological Agency seismic intensity scale ⓘ |
| isOneOf | most powerful earthquakes in Japanese history ⓘ |
| location |
Nankai Trough
ⓘ
off the coast of southwestern Japan ⓘ |
| magnitude | 8.6 ⓘ |
| magnitudeType | moment magnitude scale ⓘ |
| maximumIntensity | XI ⓘ |
| namedAfter |
Hoei era
ⓘ
linked to:
Hōei era
|
| partOf |
Nankai megathrust earthquake sequence
ⓘ
linked to:
Nankai megathrust
|
| plateInteraction | Philippine Sea Plate subducting beneath Eurasian Plate ⓘ |
| possibleConsequence | may have influenced 1707 Hoei eruption of Mount Fuji ⓘ |
| precededBy | 1703 Genroku earthquake ⓘ |
| recordedIn | Japanese historical chronicles ⓘ |
| ruptureSegments |
Nankai segment
ⓘ
Tonankai segment ⓘ possibly Tokai segment ⓘ |
| scientificSignificance | key event for understanding Nankai Trough seismic hazard ⓘ |
| timeOfDay | around 14:00 local time ⓘ |
| triggeredEvent |
ground liquefaction
ⓘ
landslides ⓘ large tsunami along Pacific coast of southwestern Honshu, Shikoku, and Kyushu ⓘ subsidence of coastal areas ⓘ |
| tsunami | yes ⓘ |
| tsunamiHeight | up to about 25 m ⓘ |
| tsunamiImpact |
damage to ships and ports
ⓘ
inundation of low-lying coastal settlements ⓘ |
| usedFor | long-term earthquake and tsunami hazard assessment in Japan ⓘ |
| year | 1707 ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: 1707 Hoei earthquake Description of subject: The 1707 Hoei earthquake was a massive megathrust earthquake off southwestern Japan that triggered widespread destruction and a large tsunami, and is one of the most powerful earthquakes in Japanese history.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: 1707 Hoei earthquake