Mount Asama
E434118
Mount Asama is an active and prominent volcano in central Honshu, Japan, known for its frequent eruptions and status as one of the country’s most closely monitored peaks.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Mount Asama canonical | 2 |
| Asama | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4336578 — 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: Mount Asama Context triple: [Kanto Mountains, hasPart, Mount Asama]
-
A.
Mount Aso
Mount Aso is one of Japan’s largest and most active volcanoes, featuring a vast caldera and multiple central cones on the island of Kyushu.
-
B.
Mount Bandai
Mount Bandai is a prominent stratovolcano in Fukushima Prefecture, Japan, known for its explosive 1888 eruption that reshaped the surrounding landscape and created scenic lakes.
-
C.
Mount Tokachi
Mount Tokachi is an active stratovolcano on Japan’s northern island of Hokkaido, known for its frequent eruptions, alpine scenery, and popular hiking and hot spring areas.
-
D.
Mount Ishizuchi
Mount Ishizuchi is a prominent and sacred peak in western Japan, renowned as one of the country's Seven Holy Mountains and a popular destination for hiking and pilgrimage.
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E.
Sakurajima
Sakurajima is an active stratovolcano in Kagoshima Prefecture, Japan, known for its frequent eruptions and dramatic presence in Kagoshima Bay.
- 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: Mount Asama Target entity description: Mount Asama is an active and prominent volcano in central Honshu, Japan, known for its frequent eruptions and status as one of the country’s most closely monitored peaks.
-
A.
Mount Aso
Mount Aso is one of Japan’s largest and most active volcanoes, featuring a vast caldera and multiple central cones on the island of Kyushu.
-
B.
Mount Bandai
Mount Bandai is a prominent stratovolcano in Fukushima Prefecture, Japan, known for its explosive 1888 eruption that reshaped the surrounding landscape and created scenic lakes.
-
C.
Mount Tokachi
Mount Tokachi is an active stratovolcano on Japan’s northern island of Hokkaido, known for its frequent eruptions, alpine scenery, and popular hiking and hot spring areas.
-
D.
Mount Ishizuchi
Mount Ishizuchi is a prominent and sacred peak in western Japan, renowned as one of the country's Seven Holy Mountains and a popular destination for hiking and pilgrimage.
-
E.
Sakurajima
Sakurajima is an active stratovolcano in Kagoshima Prefecture, Japan, known for its frequent eruptions and dramatic presence in Kagoshima Bay.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
active volcano
ⓘ
stratovolcano ⓘ |
| 1783EruptionEffect |
destruction of villages
ⓘ
widespread famine in Japan ⓘ |
| 1783EruptionVEI | 4–5 ⓘ |
| country | Japan ⓘ |
| elevation |
2568 meters
ⓘ
8425 feet ⓘ |
| eruption |
1973 eruption
ⓘ
1983 eruption ⓘ 2004 eruption ⓘ 2009 eruption ⓘ 2015 eruption ⓘ |
| eruptionStyle |
Strombolian eruptions
ⓘ
Vulcanian eruptions ⓘ |
| geologicalType | andesitic volcano ⓘ |
| hasCrater | summit crater ⓘ |
| hasFeature |
lava domes
ⓘ
pyroclastic deposits ⓘ volcanic ash layers ⓘ |
| hasProtectedArea | Joshin’etsu-kogen National Park vicinity ⓘ |
| hasRockType |
andesite
ⓘ
dacite ⓘ |
| hasTourism |
hiking
ⓘ
onsen hot springs nearby ⓘ volcano observation points ⓘ |
| hazardLevel | one of Japan’s most closely monitored volcanoes ⓘ |
| japaneseName | 浅間山 NERFINISHED ⓘ |
| lastEruption | 2019 ⓘ |
| locatedIn |
Gunma Prefecture
NERFINISHED
ⓘ
Honshu ⓘ Nagano Prefecture NERFINISHED ⓘ central Honshu ⓘ |
| locatedInTimeZone | Japan Standard Time ⓘ |
| locatedOn | Japan Median Tectonic Line vicinity ⓘ |
| majorEruption | 1783 Tenmei eruption ⓘ |
| monitoringAgency |
Japan Meteorological Agency
NERFINISHED
ⓘ
Volcano Research Center, University of Tokyo NERFINISHED ⓘ |
| monitoringMethod |
GPS deformation measurements
ⓘ
gas emission measurements ⓘ infrared cameras ⓘ seismometers ⓘ tiltmeters ⓘ |
| mountainRange | Nasu Volcanic Zone NERFINISHED ⓘ |
| nearCity |
Annaka
NERFINISHED
ⓘ
Karuizawa NERFINISHED ⓘ Komoro NERFINISHED ⓘ Tomi NERFINISHED ⓘ |
| partOf | Japanese Alps region NERFINISHED ⓘ |
| volcanicArcOrBelt | Izu–Bonin–Mariana Arc NERFINISHED ⓘ |
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: Mount Asama Description of subject: Mount Asama is an active and prominent volcano in central Honshu, Japan, known for its frequent eruptions and status as one of the country’s most closely monitored peaks.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Asama