2018 Sulawesi earthquake and tsunami
E1030190
The 2018 Sulawesi earthquake and tsunami was a devastating magnitude 7.5 undersea quake and resulting tsunami that struck Indonesia’s Sulawesi island, causing widespread destruction and thousands of deaths, particularly around the city of Palu.
All labels observed (3)
| Label | Occurrences |
|---|---|
| 2018 Sulawesi earthquake | 1 |
| 2018 Sulawesi earthquake and tsunami canonical | 1 |
| 2018 Sulawesi tsunami | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13272597 — 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 Sulawesi earthquake and tsunami Context triple: [Palu Bay, disasterEvent, 2018 Sulawesi earthquake and tsunami]
-
A.
2010 Mentawai earthquake and tsunami
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.
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B.
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.
-
C.
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.
-
D.
1976 Moro Gulf earthquake
The 1976 Moro Gulf earthquake was a powerful undersea quake in the Philippines that triggered a devastating tsunami, causing thousands of deaths and widespread destruction in Mindanao and nearby regions.
-
E.
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.
- 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 Sulawesi earthquake and tsunami Target entity description: The 2018 Sulawesi earthquake and tsunami was a devastating magnitude 7.5 undersea quake and resulting tsunami that struck Indonesia’s Sulawesi island, causing widespread destruction and thousands of deaths, particularly around the city of Palu.
-
A.
2010 Mentawai earthquake and tsunami
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.
-
B.
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.
-
C.
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.
-
D.
1976 Moro Gulf earthquake
The 1976 Moro Gulf earthquake was a powerful undersea quake in the Philippines that triggered a devastating tsunami, causing thousands of deaths and widespread destruction in Mindanao and nearby regions.
-
E.
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.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
earthquake
ⓘ
megathrust earthquake ⓘ natural disaster ⓘ tsunami ⓘ |
| aftershocks | numerous aftershocks in following days ⓘ |
| casualties | over 4000 dead and missing ⓘ |
| cause | strike-slip fault movement ⓘ |
| comparedTo | one of Indonesia’s deadliest earthquakes in the 2010s ⓘ |
| country | Indonesia ⓘ |
| date | 2018-09-28 ⓘ |
| deaths | over 2000 ⓘ |
| depth | about 10 km ⓘ |
| displacedPeople | over 200000 ⓘ |
| epicenterRegion | near Donggala, Central Sulawesi ⓘ |
| fault |
Palu-Koro fault
ⓘ
linked to:
Palu-Koro fault zone
|
| governmentBodyInvolved | Indonesian National Board for Disaster Management ⓘ |
| injuries | thousands ⓘ |
| localTime | 18:02 ⓘ |
| location |
Central Sulawesi
ⓘ
Donggala Regency ⓘ Palu ⓘ Parigi Moutong Regency ⓘ Sigi Regency ⓘ Sulawesi ⓘ
linked to:
Celebes
|
| magnitude | 7.5 Mw ⓘ |
| mainAffectedArea | Palu Bay ⓘ |
| mainAffectedCity | Palu ⓘ |
| missingPeople | over 1000 ⓘ |
| month | September ⓘ |
| notableEffect |
damage to Palu Grand Mosque
ⓘ
damage to Palu IV Bridge ⓘ destruction of infrastructure and roads ⓘ large-scale ground failure due to liquefaction ⓘ widespread building collapse in Palu ⓘ |
| partOf | seismic activity in Indonesia ⓘ |
| region | Ring of Fire ⓘ |
| response |
international humanitarian aid mobilized
ⓘ
national emergency declared by Indonesia ⓘ search and rescue operations in Palu and surrounding areas ⓘ |
| scientificStudy |
prompted research on earthquake-induced liquefaction in Palu Valley
ⓘ
prompted research on tsunami generation by strike-slip faults ⓘ |
| timeZone | WITA ⓘ |
| triggered |
landslides
ⓘ
soil liquefaction ⓘ tsunami ⓘ |
| tsunamiHeight |
over 4 m in Palu Bay
ⓘ
up to about 6 m ⓘ |
| tsunamiImpact |
inundation of coastal neighborhoods in Palu
ⓘ
severe damage along Palu Bay coastline ⓘ |
| 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 Sulawesi earthquake and tsunami Description of subject: The 2018 Sulawesi earthquake and tsunami was a devastating magnitude 7.5 undersea quake and resulting tsunami that struck Indonesia’s Sulawesi island, causing widespread destruction and thousands of deaths, particularly around the city of Palu.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: 2018 Sulawesi earthquake and tsunami
linked to: 2018 Sulawesi earthquake and tsunami