Hōei eruption
E255827
The Hōei eruption was a major 1707–1708 explosive eruption of Mount Fuji in Japan that blanketed nearby regions, including Edo (Tokyo), with ash and created the volcano’s prominent Hōei crater.
All labels observed (3)
| Label | Occurrences |
|---|---|
| 1707 Hoei eruption of Mount Fuji | 1 |
| 1707–1708 Hoei eruption of Mount Fuji | 1 |
| Hōei eruption canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2316226 — 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: Hōei eruption Context triple: [Mount Fuji, lastEruptionName, Hōei eruption]
-
A.
Mount Ontake
Mount Ontake is a large stratovolcano in central Japan known as a sacred mountain and popular hiking destination, as well as the site of a deadly 2014 phreatic eruption.
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B.
Mount Novarupta
Mount Novarupta is a volcano in Alaska’s Katmai region, best known for its massive 1912 eruption, one of the largest of the 20th century.
-
C.
Ushishir Volcano
Ushishir Volcano is an active volcanic complex forming part of a partially submerged caldera in the central Kuril Islands of Russia.
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D.
1971 Teneguía eruption
The 1971 Teneguía eruption was a basaltic fissure eruption on the southern tip of La Palma in the Canary Islands, notable for its relatively mild explosive activity, extensive lava flows, and role in shaping the island’s modern volcanic landscape.
-
E.
Oruanui eruption of Taupō volcano
The Oruanui eruption of Taupō volcano was a massive supereruption about 26,500 years ago that created Lake Taupō and is one of the largest known volcanic eruptions on Earth in the last 100,000 years.
- 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: Hōei eruption Target entity description: The Hōei eruption was a major 1707–1708 explosive eruption of Mount Fuji in Japan that blanketed nearby regions, including Edo (Tokyo), with ash and created the volcano’s prominent Hōei crater.
-
A.
Mount Ontake
Mount Ontake is a large stratovolcano in central Japan known as a sacred mountain and popular hiking destination, as well as the site of a deadly 2014 phreatic eruption.
-
B.
Mount Novarupta
Mount Novarupta is a volcano in Alaska’s Katmai region, best known for its massive 1912 eruption, one of the largest of the 20th century.
-
C.
Ushishir Volcano
Ushishir Volcano is an active volcanic complex forming part of a partially submerged caldera in the central Kuril Islands of Russia.
-
D.
1971 Teneguía eruption
The 1971 Teneguía eruption was a basaltic fissure eruption on the southern tip of La Palma in the Canary Islands, notable for its relatively mild explosive activity, extensive lava flows, and role in shaping the island’s modern volcanic landscape.
-
E.
Oruanui eruption of Taupō volcano
The Oruanui eruption of Taupō volcano was a massive supereruption about 26,500 years ago that created Lake Taupō and is one of the largest known volcanic eruptions on Earth in the last 100,000 years.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
explosive eruption
ⓘ
historical event ⓘ volcanic eruption ⓘ |
| ashColumnHeight | about 20 km ⓘ |
| ashFall |
Edo
ⓘ
Izu Province NERFINISHED ⓘ Kai Province ⓘ Kyoto ⓘ Kōfu Basin ⓘ Osaka ⓘ Sagami Province NERFINISHED ⓘ Suruga Province NERFINISHED ⓘ |
| ashThicknessAtEdo | several centimeters ⓘ |
| caused |
crop failure
ⓘ
famine in surrounding regions ⓘ roof collapses from ash load ⓘ widespread ashfall damage ⓘ |
| country | Japan ⓘ |
| createdFeature | Hōei crater ⓘ |
| documentedIn | Edo-period historical records ⓘ |
| endDate | 1708-01-01 ⓘ |
| era | Edo period ⓘ |
| eruptionStyle | multiple explosive phases ⓘ |
| eruptionType | Plinian eruption ⓘ |
| impact |
air quality deterioration in Edo
ⓘ
river and irrigation channel clogging by ash ⓘ significant tephra deposition on eastern Honshu ⓘ soil fertility changes due to ash layers ⓘ |
| isSignificantFor |
hazard assessment of future Mount Fuji eruptions
ⓘ
study of earthquake–volcano interactions ⓘ |
| location | Mount Fuji ⓘ |
| magmaType |
andesitic
ⓘ
basaltic-andesitic ⓘ |
| mainCrater | Hōei crater ⓘ |
| namedAfter | Hōei era ⓘ |
| notable | last historical eruption of Mount Fuji ⓘ |
| numberOfCraterOpenings | three ⓘ |
| partOf | volcanic history of Mount Fuji ⓘ |
| precededBy |
1707 Hoei earthquake
ⓘ
surface form:
1707 Hōei earthquake
|
| region | Honshu ⓘ |
| side | southeastern flank of Mount Fuji ⓘ |
| startDate | 1707-12-16 ⓘ |
| temporalRelationToHōeiEarthquake | occurred about 49 days after the 1707 Hōei earthquake ⓘ |
| VEI | 5 ⓘ |
| volcano | Mount Fuji ⓘ |
| year |
1707
ⓘ
1708 ⓘ |
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: Hōei eruption Description of subject: The Hōei eruption was a major 1707–1708 explosive eruption of Mount Fuji in Japan that blanketed nearby regions, including Edo (Tokyo), with ash and created the volcano’s prominent Hōei crater.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
1707–1708 Hoei eruption of Mount Fuji
this entity surface form:
1707 Hoei eruption of Mount Fuji