2018 Anak Krakatau eruption and tsunami
E169688
The 2018 Anak Krakatau eruption and tsunami was a deadly volcanic disaster in Indonesia in which a partial collapse of the Anak Krakatau volcano triggered a tsunami that devastated coastal communities and caused significant loss of life and infrastructure.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 2018 Anak Krakatau eruption and tsunami canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1477869 — 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: 2018 Anak Krakatau eruption and tsunami Context triple: [Sunda Strait, historicalEvent, 2018 Anak Krakatau eruption and tsunami]
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A.
2004 Indian Ocean earthquake and tsunami
The 2004 Indian Ocean earthquake and tsunami was a massive undersea megathrust earthquake off the coast of Sumatra that triggered devastating tsunamis across the Indian Ocean, killing over 200,000 people and becoming one of the deadliest natural disasters in recorded history.
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B.
Krakatoa
Krakatoa is a volcanic island in the Sunda Strait famous for its catastrophic 1883 eruption, one of the most powerful and destructive volcanic events in recorded history.
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C.
2011 Tōhoku earthquake and tsunami
The 2011 Tōhoku earthquake and tsunami was a devastating magnitude 9.0 undersea megathrust earthquake off Japan’s northeastern coast that triggered massive tsunamis, widespread destruction, and the Fukushima Daiichi nuclear disaster.
-
D.
Sumatrakade
Sumatrakade is a street on Java Island in Amsterdam, known for its modern waterfront residential architecture along the IJ.
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E.
Volcano
"Volcano" is a song featured on U2's 2014 album *Songs of Innocence*.
- 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: 2018 Anak Krakatau eruption and tsunami Target entity description: The 2018 Anak Krakatau eruption and tsunami was a deadly volcanic disaster in Indonesia in which a partial collapse of the Anak Krakatau volcano triggered a tsunami that devastated coastal communities and caused significant loss of life and infrastructure.
-
A.
2004 Indian Ocean earthquake and tsunami
The 2004 Indian Ocean earthquake and tsunami was a massive undersea megathrust earthquake off the coast of Sumatra that triggered devastating tsunamis across the Indian Ocean, killing over 200,000 people and becoming one of the deadliest natural disasters in recorded history.
-
B.
Krakatoa
Krakatoa is a volcanic island in the Sunda Strait famous for its catastrophic 1883 eruption, one of the most powerful and destructive volcanic events in recorded history.
-
C.
2011 Tōhoku earthquake and tsunami
The 2011 Tōhoku earthquake and tsunami was a devastating magnitude 9.0 undersea megathrust earthquake off Japan’s northeastern coast that triggered massive tsunamis, widespread destruction, and the Fukushima Daiichi nuclear disaster.
-
D.
Sumatrakade
Sumatrakade is a street on Java Island in Amsterdam, known for its modern waterfront residential architecture along the IJ.
-
E.
Volcano
"Volcano" is a song featured on U2's 2014 album *Songs of Innocence*.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
natural disaster
ⓘ
tsunami ⓘ volcanic eruption ⓘ |
| affectedArea | coastal communities around Sunda Strait ⓘ |
| affectedCountry | Indonesia ⓘ |
| affectedIsland |
Java
ⓘ
Sumatra ⓘ |
| affectedRegion |
Banten
ⓘ
Lampung ⓘ |
| cause |
partial collapse of Anak Krakatau
ⓘ
submarine landslide ⓘ |
| country | Indonesia ⓘ |
| damageType |
coastal erosion
ⓘ
damage to infrastructure ⓘ destruction of houses ⓘ |
| deadliestIn | Indonesia in 2018 ⓘ |
| deathTollApproximate | over 400 people ⓘ |
| displacedPeopleApproximate | tens of thousands of people ⓘ |
| eruptionStyle |
explosive eruption
ⓘ
phreatomagmatic eruption ⓘ |
| governmentResponse |
deployment of emergency services
ⓘ
evacuation of coastal areas ⓘ |
| impact |
economic losses in tourism and fisheries sectors
ⓘ
humanitarian crisis in affected coastal regions ⓘ |
| injuredApproximate | thousands of people ⓘ |
| internationalResponse | offers of humanitarian aid ⓘ |
| locatedBetween |
Java
ⓘ
Sumatra ⓘ |
| locatedIn | Sunda Strait ⓘ |
| mainVolcano |
Krakatoa
ⓘ
surface form:
Anak Krakatau
|
| monitoredBy |
BMKG
ⓘ
Indonesia Center for Volcanology and Geological Hazard Mitigation ⓘ
surface form:
Indonesian Center for Volcanology and Geological Hazard Mitigation
|
| notableFeature |
significant reduction in Anak Krakatau’s volume
ⓘ
tsunami generated without major tectonic earthquake ⓘ |
| parentVolcano | Krakatoa ⓘ |
| partOf | history of Krakatoa eruptions ⓘ |
| relatedEvent |
Krakatoa
ⓘ
surface form:
1883 Krakatoa eruption
|
| resultedIn |
changes in Anak Krakatau’s morphology
ⓘ
increased awareness of volcano-generated tsunamis ⓘ |
| startDate | 2018-12-22 ⓘ |
| studiedBy |
tsunami scientists
ⓘ
volcanologists ⓘ |
| triggered | tsunami in Sunda Strait ⓘ |
| tsunamiDate | 2018-12-22 ⓘ |
| tsunamiGenerationMechanism | volcanic flank collapse ⓘ |
| warningSystemIssue | no earthquake-triggered tsunami warning ⓘ |
| waveHeightApproximate | up to several meters ⓘ |
| year | 2018 ⓘ |
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: 2018 Anak Krakatau eruption and tsunami Description of subject: The 2018 Anak Krakatau eruption and tsunami was a deadly volcanic disaster in Indonesia in which a partial collapse of the Anak Krakatau volcano triggered a tsunami that devastated coastal communities and caused significant loss of life and infrastructure.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.