Showa crater
E422259
Showa crater is one of the main active vents of the Sakurajima volcano in Japan, known for its frequent explosive eruptions and ash emissions.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Showa crater canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T4203251 — 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: Showa crater Context triple: [Sakurajima, hasCrater, Showa crater]
-
A.
Minamidake crater
Minamidake crater is a principal active summit crater of the Sakurajima volcano in Kagoshima Prefecture, Japan, known for frequent explosive eruptions.
-
B.
Ushishir Volcano
Ushishir Volcano is an active volcanic complex forming part of a partially submerged caldera in the central Kuril Islands of Russia.
-
C.
Shikotsu caldera
Shikotsu caldera is a large volcanic depression in Hokkaido, Japan, known for its scenic caldera lake and geothermal features.
-
D.
Uzon caldera
Uzon caldera is a large volcanic depression in Russia’s Kamchatka Peninsula, renowned for its active geothermal features, hot springs, and diverse volcanic landscapes within the Kamchatka volcanic arc.
-
E.
Toya caldera
Toya caldera is a large volcanic caldera in Hokkaido, Japan, known for its scenic lake, hot springs, and frequent volcanic activity.
- 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: Showa crater Target entity description: Showa crater is one of the main active vents of the Sakurajima volcano in Japan, known for its frequent explosive eruptions and ash emissions.
-
A.
Minamidake crater
Minamidake crater is a principal active summit crater of the Sakurajima volcano in Kagoshima Prefecture, Japan, known for frequent explosive eruptions.
-
B.
Ushishir Volcano
Ushishir Volcano is an active volcanic complex forming part of a partially submerged caldera in the central Kuril Islands of Russia.
-
C.
Shikotsu caldera
Shikotsu caldera is a large volcanic depression in Hokkaido, Japan, known for its scenic caldera lake and geothermal features.
-
D.
Uzon caldera
Uzon caldera is a large volcanic depression in Russia’s Kamchatka Peninsula, renowned for its active geothermal features, hot springs, and diverse volcanic landscapes within the Kamchatka volcanic arc.
-
E.
Toya caldera
Toya caldera is a large volcanic caldera in Hokkaido, Japan, known for its scenic lake, hot springs, and frequent volcanic activity.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
eruption vent
ⓘ
volcanic crater ⓘ |
| activityStatus | active ⓘ |
| arc |
Ryukyu volcanic arc
ⓘ
linked to:
Ryukyu island arc
|
| country | Japan ⓘ |
| emits |
volcanic ash
ⓘ
volcanic gas ⓘ |
| eruptionProducts |
ash
ⓘ
blocks ⓘ lapilli ⓘ volcanic bombs ⓘ |
| eruptionResumed | 2006 ⓘ |
| eruptionStyle |
Strombolian
ⓘ
Vulcanian ⓘ explosive ⓘ |
| hazardType | ashfall on Kagoshima City ⓘ |
| hazardZone |
Sakurajima and Kagoshima urban area
ⓘ
linked to:
Kagoshima, Japan
|
| hostVolcanoElevation | approximately 1117 m (Sakurajima) ⓘ |
| isOneOf | main active vents of Sakurajima ⓘ |
| knownFor |
ash emissions
ⓘ
frequent explosive eruptions ⓘ tephra fall ⓘ volcanic bombs ⓘ |
| locatedIn |
Japan
ⓘ
Kagoshima Prefecture ⓘ Kyushu ⓘ Sakurajima ⓘ |
| locatedOn | Aira Caldera ⓘ |
| monitoredBy |
Japan Meteorological Agency
ⓘ
Sakurajima Volcano Observatory ⓘ |
| nameOrigin |
Shōwa era of Japan
ⓘ
linked to:
Showa era
|
| near |
Kagoshima Bay
ⓘ
Kagoshima City ⓘ |
| notableActivityPeriod | 2006–2015 ⓘ |
| opened | 1946 ⓘ |
| partOf |
Sakurajima volcano
ⓘ
linked to:
Sakurajima
|
| partOfVolcanicSystem |
Aira Caldera–Sakurajima volcanic complex
ⓘ
linked to:
Sakurajima
|
| region | Satsuma Peninsula vicinity ⓘ |
| tectonicSetting | subduction zone arc volcano ⓘ |
| volcanoTypeOfHost | stratovolcano ⓘ |
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: Showa crater Description of subject: Showa crater is one of the main active vents of the Sakurajima volcano in Japan, known for its frequent explosive eruptions and ash emissions.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.