1949 Ambato earthquake
E855920
The 1949 Ambato earthquake was a devastating seismic event in central Ecuador that caused widespread destruction and significant loss of life, particularly in the city of Ambato.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 1949 Ambato earthquake canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T10294474 — 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: 1949 Ambato earthquake Context triple: [Ambato, historicalEvent, 1949 Ambato earthquake]
-
A.
1746 Lima–Callao earthquake
The 1746 Lima–Callao earthquake was a devastating seismic event in colonial Peru that destroyed much of Lima and the port of Callao and triggered a deadly tsunami, profoundly reshaping the region’s urban and architectural landscape.
-
B.
1941 Guerrero earthquake
The 1941 Guerrero earthquake was a significant seismic event that struck the Mexican state of Guerrero, contributing to the region’s history of major earthquakes along the Pacific coast.
-
C.
1812 Caracas earthquake
The 1812 Caracas earthquake was a devastating seismic event in colonial Venezuela that caused massive destruction and loss of life, profoundly destabilizing the region’s early independence movement.
-
D.
1979 Petatlán earthquake
The 1979 Petatlán earthquake was a powerful seismic event that struck near Petatlán on Mexico’s Pacific coast, causing significant damage and casualties in the Guerrero region.
-
E.
1960 Valdivia earthquake
The 1960 Valdivia earthquake was the most powerful earthquake ever recorded, a magnitude 9.5 megathrust event that devastated southern Chile and triggered tsunamis across the Pacific.
- 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: 1949 Ambato earthquake Target entity description: The 1949 Ambato earthquake was a devastating seismic event in central Ecuador that caused widespread destruction and significant loss of life, particularly in the city of Ambato.
-
A.
1746 Lima–Callao earthquake
The 1746 Lima–Callao earthquake was a devastating seismic event in colonial Peru that destroyed much of Lima and the port of Callao and triggered a deadly tsunami, profoundly reshaping the region’s urban and architectural landscape.
-
B.
1941 Guerrero earthquake
The 1941 Guerrero earthquake was a significant seismic event that struck the Mexican state of Guerrero, contributing to the region’s history of major earthquakes along the Pacific coast.
-
C.
1812 Caracas earthquake
The 1812 Caracas earthquake was a devastating seismic event in colonial Venezuela that caused massive destruction and loss of life, profoundly destabilizing the region’s early independence movement.
-
D.
1979 Petatlán earthquake
The 1979 Petatlán earthquake was a powerful seismic event that struck near Petatlán on Mexico’s Pacific coast, causing significant damage and casualties in the Guerrero region.
-
E.
1960 Valdivia earthquake
The 1960 Valdivia earthquake was the most powerful earthquake ever recorded, a magnitude 9.5 megathrust event that devastated southern Chile and triggered tsunamis across the Pacific.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | earthquake ⓘ |
| affectedArea |
Ambato
ⓘ
Bolívar Province ⓘ Chimborazo Province ⓘ Cotopaxi Province ⓘ Tungurahua Province ⓘ |
| casualties | 6000+ ⓘ |
| category |
1949 disasters in South America
ⓘ
1949 earthquakes ⓘ Earthquakes in Ecuador ⓘ Natural disasters in Ecuador ⓘ |
| cause | subduction-related crustal faulting ⓘ |
| continent | South America ⓘ |
| country | Ecuador ⓘ |
| countryAffected | Ecuador ⓘ |
| damage | severe ⓘ |
| damageDescription |
collapse of many buildings
ⓘ
heavy damage in central Ecuador ⓘ widespread destruction in Ambato ⓘ |
| date | 1949-08-05 ⓘ |
| deaths | 6000–8000 ⓘ |
| depth | 15 km ⓘ |
| epicenterRegion | near Ambato ⓘ |
| historicalSignificance |
major 20th-century disaster in the Andes region
ⓘ
one of the deadliest earthquakes in Ecuador ⓘ |
| homeless | tens of thousands ⓘ |
| injured | thousands ⓘ |
| intensityScale |
Mercalli intensity scale
ⓘ
linked to:
Mercalli
|
| localTime | 14:08 ⓘ |
| location |
Ambato
ⓘ
Tungurahua Province ⓘ central Ecuador ⓘ |
| magnitude | 6.8 Mw ⓘ |
| magnitudeScale | moment magnitude scale ⓘ |
| maximumIntensity | IX (Violent) ⓘ |
| month | August ⓘ |
| notableEffect |
destruction of churches and public buildings in Ambato
ⓘ
disruption of transportation routes ⓘ landslides in surrounding mountains ⓘ |
| partOf | seismic history of Ecuador ⓘ |
| plateBoundary |
Nazca Plate–South American Plate
ⓘ
linked to:
Nazca–South America plate boundary
|
| reconstruction | rebuilding of Ambato city center ⓘ |
| response |
international aid
ⓘ
national relief efforts in Ecuador ⓘ |
| tectonicSetting | Andean Volcanic Belt ⓘ |
| timeZone | UTC−05:00 ⓘ |
| year | 1949 ⓘ |
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: 1949 Ambato earthquake Description of subject: The 1949 Ambato earthquake was a devastating seismic event in central Ecuador that caused widespread destruction and significant loss of life, particularly in the city of Ambato.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.