Puerto Rico Trench
E688
The Puerto Rico Trench is a deep oceanic trench in the western Atlantic, marking the boundary between the Caribbean and North American tectonic plates and containing the region’s greatest ocean depths.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Puerto Rico Trench canonical | 16 |
| Puerto Rico Deep | 1 |
| Puerto Rico Trench (eastern boundary region) | 1 |
| Puerto Rico Trench system | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T17552 — 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: Puerto Rico Trench Context triple: [Atlantic Ocean, hasDeepestPoint, Puerto Rico Trench]
-
A.
Pacific Ocean
The Pacific Ocean is the largest and deepest ocean on Earth, spanning from the Arctic in the north to the Southern Ocean and from Asia and Australia to the Americas.
-
B.
Lake Tahoe
Lake Tahoe is a large, deep, and famously clear freshwater lake in the Sierra Nevada mountains, straddling the border of California and Nevada and serving as a major destination for outdoor recreation and tourism.
-
C.
Lake Tear of the Clouds
Lake Tear of the Clouds is a small mountain tarn on the slopes of New York’s Mount Marcy, historically recognized as the highest-elevation source of the Hudson River.
-
D.
Puerto Rico
Puerto Rico is a Caribbean island and unincorporated U.S. territory known for its Spanish-Caribbean culture, tropical climate, and status as a popular tourist destination.
-
E.
Guam
Guam is an unincorporated U.S. island territory in the western Pacific Ocean known for its strategic military importance and Chamorro culture.
- 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: Puerto Rico Trench Target entity description: The Puerto Rico Trench is a deep oceanic trench in the western Atlantic, marking the boundary between the Caribbean and North American tectonic plates and containing the region’s greatest ocean depths.
-
A.
Pacific Ocean
The Pacific Ocean is the largest and deepest ocean on Earth, spanning from the Arctic in the north to the Southern Ocean and from Asia and Australia to the Americas.
-
B.
Lake Tahoe
Lake Tahoe is a large, deep, and famously clear freshwater lake in the Sierra Nevada mountains, straddling the border of California and Nevada and serving as a major destination for outdoor recreation and tourism.
-
C.
Lake Tear of the Clouds
Lake Tear of the Clouds is a small mountain tarn on the slopes of New York’s Mount Marcy, historically recognized as the highest-elevation source of the Hudson River.
-
D.
Puerto Rico
Puerto Rico is a Caribbean island and unincorporated U.S. territory known for its Spanish-Caribbean culture, tropical climate, and status as a popular tourist destination.
-
E.
Guam
Guam is an unincorporated U.S. island territory in the western Pacific Ocean known for its strategic military importance and Chamorro culture.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
geological formation
ⓘ
oceanic trench ⓘ subduction zone ⓘ |
| alsoKnownAs |
Puerto Rico Deep
ⓘ
linked to:
Puerto Rico Trench
|
| associatedWith |
earthquake activity
ⓘ
tsunami hazard ⓘ |
| bathymetryCharacter |
narrow
ⓘ
steep-sided ⓘ |
| contains |
Brownson Deep
ⓘ
Milwaukee Deep ⓘ |
| countryExclusiveEconomicZone |
Dominican Republic
ⓘ
United States ⓘ
linked to:
United States of America
|
| deepestPointIn |
Atlantic Ocean
ⓘ
Caribbean region ⓘ
linked to:
Caribbean
|
| depthRanking | one of the deepest ocean trenches on Earth ⓘ |
| discoveredBy | early 20th century soundings ⓘ |
| featureOf | plate boundary zone between Caribbean and North American plates ⓘ |
| geohazardInterest | potential source of large tsunamis in the Caribbean ⓘ |
| geologicalProcess | subduction of North American Plate beneath Caribbean Plate ⓘ |
| hazardTo | Caribbean coastal communities ⓘ |
| length |
about 497 miles
ⓘ
about 800 km ⓘ |
| locatedIn |
North Atlantic Ocean
ⓘ
linked to:
Atlantic Ocean
western Atlantic Ocean ⓘ
linked to:
Atlantic Ocean
|
| maximumDepth |
about 27500 ft
ⓘ
about 8376 m ⓘ |
| namedAfter | Puerto Rico ⓘ |
| nearestLand |
Dominican Republic
ⓘ
Puerto Rico ⓘ |
| oceanBasin |
North American Basin
ⓘ
linked to:
North American Plate
|
| oceanRegion | northeastern Caribbean Sea margin ⓘ |
| orientation | east–west ⓘ |
| partOf | Atlantic Ocean ⓘ |
| plateMotion | oblique convergence between North American and Caribbean plates ⓘ |
| region |
north of Hispaniola
ⓘ
north of Puerto Rico ⓘ |
| researchInterest |
seismic risk assessment
ⓘ
subduction dynamics ⓘ |
| sedimentSource | Caribbean and North Atlantic margins ⓘ |
| separates |
Caribbean Plate
ⓘ
North American Plate ⓘ |
| studiedBy |
geophysicists
ⓘ
oceanographers ⓘ |
| tectonicSetting | convergent plate boundary ⓘ |
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: Puerto Rico Trench Description of subject: The Puerto Rico Trench is a deep oceanic trench in the western Atlantic, marking the boundary between the Caribbean and North American tectonic plates and containing the region’s greatest ocean depths.
Referenced by (19)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Puerto Rico Trench
linked to: Puerto Rico Trench
subject linked to:
USS Milwaukee
subject linked to:
Atlantic Ocean (via Sheepshead Bay inlet)
subject linked to:
Atlantic Ocean (via Fire Island and Great South Bay)
subject linked to:
Atlantic Ocean (via Recife coast)
linked to: Puerto Rico Trench