1979 Petatlán earthquake
E786814
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 1979 Petatlán earthquake canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9225977 — 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: 1979 Petatlán earthquake Context triple: [1957 Mexico City earthquake, followedBy, 1979 Petatlán earthquake]
-
A.
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.
-
B.
1957 Mexico City earthquake
The 1957 Mexico City earthquake was a powerful and destructive seismic event that struck Mexico City, causing significant damage to buildings and landmarks and resulting in numerous casualties.
-
C.
1985 Mexico City earthquake
The 1985 Mexico City earthquake was a devastating magnitude 8.0 seismic event that struck Mexico City on September 19, 1985, causing widespread destruction and significant loss of life.
-
D.
1986 San Salvador earthquake
The 1986 San Salvador earthquake was a devastating magnitude 5.7 tremor that struck El Salvador’s capital region on October 10, 1986, causing widespread destruction and significant loss of life.
-
E.
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.
- 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: 1979 Petatlán earthquake Target entity description: 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.
-
A.
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.
-
B.
1957 Mexico City earthquake
The 1957 Mexico City earthquake was a powerful and destructive seismic event that struck Mexico City, causing significant damage to buildings and landmarks and resulting in numerous casualties.
-
C.
1985 Mexico City earthquake
The 1985 Mexico City earthquake was a devastating magnitude 8.0 seismic event that struck Mexico City on September 19, 1985, causing widespread destruction and significant loss of life.
-
D.
1986 San Salvador earthquake
The 1986 San Salvador earthquake was a devastating magnitude 5.7 tremor that struck El Salvador’s capital region on October 10, 1986, causing widespread destruction and significant loss of life.
-
E.
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.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf | earthquake ⓘ |
| casualties | yes ⓘ |
| cause | tectonic plate subduction ⓘ |
| country | Mexico ⓘ |
| countryAffected | Mexico ⓘ |
| damage | significant ⓘ |
| date | 1979 ⓘ |
| epicenterRegion | near Petatlán, Guerrero, Mexico ⓘ |
| eventType | seismic event ⓘ |
| hazardType | earthquake ⓘ |
| impact |
human casualties
ⓘ
regional disruption in Guerrero ⓘ structural damage ⓘ |
| locatedIn |
Guerrero
ⓘ
Petatlán ⓘ |
| notableFor |
causing casualties in the Guerrero region
ⓘ
causing significant damage in Guerrero ⓘ |
| partOf |
seismicity of the Guerrero region
ⓘ
seismicity of the Pacific coast of Mexico ⓘ |
| plateBoundary |
Cocos Plate–North American Plate boundary
ⓘ
linked to:
Cocos–North America plate boundary
|
| regionAffected |
Guerrero
ⓘ
Mexico’s Pacific coast ⓘ
linked to:
Pacific Coast of Mexico
Petatlán ⓘ |
| tectonicSetting |
Pacific coast of Mexico
ⓘ
linked to:
Pacific Coast of Mexico
|
| timeZone | local time in Guerrero ⓘ |
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: 1979 Petatlán earthquake Description of subject: 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.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.