2010 Mentawai earthquake and tsunami
E207246
The 2010 Mentawai earthquake and tsunami was a powerful undersea megathrust event off western Sumatra that generated a destructive tsunami, killing hundreds of people and devastating coastal communities in the Mentawai Islands of Indonesia.
All labels observed (3)
| Label | Occurrences |
|---|---|
| 2010 Mentawai Islands earthquake and tsunami | 1 |
| 2010 Mentawai earthquake | 1 |
| 2010 Mentawai earthquake and tsunami canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1840634 — 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: 2010 Mentawai earthquake and tsunami Context triple: [Sumatra subduction zone, knownFor, 2010 Mentawai earthquake and tsunami]
-
A.
2005 Nias–Simeulue earthquake
The 2005 Nias–Simeulue earthquake was a powerful magnitude 8.6 megathrust earthquake off the coast of northern Sumatra that caused widespread destruction and significant casualties in Indonesia.
-
B.
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.
-
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.
2018 Anak Krakatau eruption and tsunami
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.
-
E.
2010 Haiti earthquake
The 2010 Haiti earthquake was a catastrophic magnitude 7.0 seismic event that struck near Haiti’s capital, causing massive destruction, hundreds of thousands of deaths, and a major international humanitarian crisis.
- 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: 2010 Mentawai earthquake and tsunami Target entity description: The 2010 Mentawai earthquake and tsunami was a powerful undersea megathrust event off western Sumatra that generated a destructive tsunami, killing hundreds of people and devastating coastal communities in the Mentawai Islands of Indonesia.
-
A.
2005 Nias–Simeulue earthquake
The 2005 Nias–Simeulue earthquake was a powerful magnitude 8.6 megathrust earthquake off the coast of northern Sumatra that caused widespread destruction and significant casualties in Indonesia.
-
B.
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.
-
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.
2018 Anak Krakatau eruption and tsunami
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.
-
E.
2010 Haiti earthquake
The 2010 Haiti earthquake was a catastrophic magnitude 7.0 seismic event that struck near Haiti’s capital, causing massive destruction, hundreds of thousands of deaths, and a major international humanitarian crisis.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
earthquake
ⓘ
megathrust earthquake ⓘ natural disaster ⓘ tsunami ⓘ |
| affectedArea |
Mentawai Islands
ⓘ
West Sumatra ⓘ
surface form:
West Sumatra province
|
| aftershocks | yes ⓘ |
| alsoKnownAs |
2010 Mentawai earthquake and tsunami
ⓘ
surface form:
2010 Mentawai Islands earthquake and tsunami
|
| casualtiesDeaths | 400+ ⓘ |
| casualtiesInjured | hundreds ⓘ |
| casualtiesMissing | tens of people ⓘ |
| country | Indonesia ⓘ |
| damage |
boats destroyed
ⓘ
houses destroyed ⓘ infrastructure damage ⓘ inundation of low-lying areas ⓘ severe destruction of coastal villages ⓘ |
| date | 2010-10-25 ⓘ |
| earthquakeType | undersea megathrust earthquake ⓘ |
| epicenterNear |
North Pagai Island
ⓘ
South Pagai Island ⓘ |
| epicenterRegion | off the western coast of Sumatra ⓘ |
| foreshocks | yes ⓘ |
| localTime | 21:42 WIB ⓘ |
| locatedIn |
Indian Ocean
ⓘ
Mentawai Islands ⓘ |
| locatedOffCoastOf |
Sumatra
ⓘ
West Sumatra ⓘ |
| magnitudeMw | 7.7 ⓘ |
| mainlyAffected | coastal communities ⓘ |
| maximumMercalliIntensity | VI ⓘ |
| month | October ⓘ |
| notableVillageAffected |
Bulakmonga
ⓘ
Maonai ⓘ Muntei ⓘ |
| partOf |
Sunda subduction system
ⓘ
surface form:
Sunda megathrust
seismicity of the Sumatra subduction zone ⓘ |
| plateBoundary | convergent boundary ⓘ |
| region | Sunda Arc ⓘ |
| tectonicSetting | subduction of the Indo-Australian Plate beneath the Sunda Plate ⓘ |
| time | 14:42:22 UTC ⓘ |
| triggered | tsunami ⓘ |
| tsunamiHeightMax | 10 m ⓘ |
| tsunamiHeightReported |
3 m
ⓘ
4 m ⓘ 5 m ⓘ |
| tsunamiWarningIssuedBy |
BMKG
ⓘ
surface form:
Indonesian Meteorology, Climatology, and Geophysical Agency
|
| tsunamiWarningIssueTime | shortly after mainshock ⓘ |
| tsunamiWarningStatus | later lifted ⓘ |
| year | 2010 ⓘ |
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: 2010 Mentawai earthquake and tsunami Description of subject: The 2010 Mentawai earthquake and tsunami was a powerful undersea megathrust event off western Sumatra that generated a destructive tsunami, killing hundreds of people and devastating coastal communities in the Mentawai Islands of Indonesia.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
2010 Mentawai Islands earthquake and tsunami
this entity surface form:
2010 Mentawai earthquake