Raikoke Volcano
E203537
Raikoke Volcano is an uninhabited stratovolcano in Russia’s Kuril Islands, notable for its powerful explosive eruptions and significant ash plumes that can disrupt air traffic.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Raikoke Volcano canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1234102 — 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: Raikoke Volcano Context triple: [Kuril Islands, hasVolcano, Raikoke Volcano]
-
A.
Avachinsky volcano
Avachinsky volcano is an active stratovolcano on Russia’s Kamchatka Peninsula, known for its frequent eruptions and proximity to the city of Petropavlovsk-Kamchatsky.
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B.
Koryaksky volcano
Koryaksky volcano is a prominent active stratovolcano on Russia’s Kamchatka Peninsula, known for its symmetrical cone and frequent volcanic activity.
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C.
Vilyuchik volcano
Vilyuchik volcano is a prominent stratovolcano on Russia’s Kamchatka Peninsula, known for its steep, symmetrical cone and scenic views near Petropavlovsk-Kamchatsky.
-
D.
Smirnov Volcano
Smirnov Volcano is a volcanic peak located in the Kuril Islands chain in the northwest Pacific Ocean.
-
E.
Mendeleev Volcano
Mendeleev Volcano is an active stratovolcano located on Kunashir Island in Russia’s Kuril Islands chain, known for its geothermal activity and frequent fumarolic emissions.
- 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: Raikoke Volcano Target entity description: Raikoke Volcano is an uninhabited stratovolcano in Russia’s Kuril Islands, notable for its powerful explosive eruptions and significant ash plumes that can disrupt air traffic.
-
A.
Avachinsky volcano
Avachinsky volcano is an active stratovolcano on Russia’s Kamchatka Peninsula, known for its frequent eruptions and proximity to the city of Petropavlovsk-Kamchatsky.
-
B.
Koryaksky volcano
Koryaksky volcano is a prominent active stratovolcano on Russia’s Kamchatka Peninsula, known for its symmetrical cone and frequent volcanic activity.
-
C.
Vilyuchik volcano
Vilyuchik volcano is a prominent stratovolcano on Russia’s Kamchatka Peninsula, known for its steep, symmetrical cone and scenic views near Petropavlovsk-Kamchatsky.
-
D.
Smirnov Volcano
Smirnov Volcano is a volcanic peak located in the Kuril Islands chain in the northwest Pacific Ocean.
-
E.
Mendeleev Volcano
Mendeleev Volcano is an active stratovolcano located on Kunashir Island in Russia’s Kuril Islands chain, known for its geothermal activity and frequent fumarolic emissions.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
stratovolcano
ⓘ
volcanic island ⓘ |
| alsoKnownAs |
Ostrovnoi Island
ⓘ
surface form:
Raikoke Island
|
| archipelago | Kuril Islands ⓘ |
| ashPlumeDetectedBy | satellite observations ⓘ |
| ashPlumeHeight | up to about 13–17 km ⓘ |
| ashPlumeImpact |
air traffic disruption in North Pacific routes
ⓘ
aviation hazard ⓘ |
| ashPlumeReached | lower stratosphere ⓘ |
| country | Russia ⓘ |
| elevation |
551 m
ⓘ
about 1,808 ft ⓘ |
| eruptionStyle | explosive ⓘ |
| hasCalderaOrCrater | summit crater open to the southeast ⓘ |
| hasHumanSettlement | false ⓘ |
| hazardType |
lahars
ⓘ
pyroclastic flows ⓘ volcanic ash ⓘ |
| islandChain |
Kuril–Kamchatka volcanic arc
ⓘ
surface form:
Kuril Island arc
|
| lastEruptionCharacter | sub-Plinian to Plinian ⓘ |
| lastEruptionStartDate | 2019-06-21 ⓘ |
| lastEruptionVEI | 4 ⓘ |
| lastEruptionYear | 2019 ⓘ |
| locatedIn |
Far Eastern Federal District
ⓘ
Kuril Islands ⓘ Sakhalin Oblast ⓘ Sea of Okhotsk ⓘ Northwestern Pacific Ocean ⓘ
surface form:
northwestern Pacific Ocean
|
| monitoredBy |
KVERT
ⓘ
surface form:
Kamchatka Volcanic Eruption Response Team
RSMC Tokyo (volcanic ash advisory centre) ⓘ
surface form:
Tokyo Volcanic Ash Advisory Center
|
| nameLanguage | Russian ⓘ |
| nearbyWaterBody | Sea of Okhotsk ⓘ |
| notableFor |
disruption of air traffic
ⓘ
large ash plumes ⓘ powerful explosive eruptions ⓘ |
| population | 0 ⓘ |
| previousMajorEruptionYear |
1765
ⓘ
1778 ⓘ 1924 ⓘ |
| region |
Russia Far East
ⓘ
surface form:
Russian Far East
|
| shape | nearly circular island ⓘ |
| sulfurDioxideEmission | significant SO2 injection into atmosphere ⓘ |
| summitCraterDiameter | about 700 m ⓘ |
| surfaceComposition | lava flows and pyroclastic deposits ⓘ |
| tectonicSetting |
Kuril–Kamchatka subduction system
ⓘ
surface form:
Kuril–Kamchatka subduction zone
|
| uninhabited | true ⓘ |
| usedFor |
atmospheric science studies of volcanic plumes
ⓘ
volcanological research ⓘ |
| volcanoType | andesitic 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: Raikoke Volcano Description of subject: Raikoke Volcano is an uninhabited stratovolcano in Russia’s Kuril Islands, notable for its powerful explosive eruptions and significant ash plumes that can disrupt air traffic.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.