Guam Trench
E700028
The Guam Trench is a deep oceanic trench in the western Pacific Ocean, forming part of the southern extension of the Mariana Trench system near the island of Guam.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Guam Trench canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7851410 — 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: Guam Trench Context triple: [Mariana Islands, contains, Guam Trench]
-
A.
Philippine Trench
The Philippine Trench is a deep oceanic trench in the western Pacific, known as one of the deepest points on Earth’s seafloor and a major site of tectonic subduction.
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B.
Palau Trench
The Palau Trench is a deep oceanic trench in the western Pacific Ocean near Palau, formed by the subduction of the Philippine Sea Plate.
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C.
Tonga Trench
The Tonga Trench is one of the deepest oceanic trenches on Earth, located in the southwestern Pacific and formed by the subduction of the Pacific Plate beneath the Indo-Australian Plate.
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D.
Puerto Rico Trench
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.
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E.
Negros Trench
The Negros Trench is a deep oceanic trench in the western Pacific, located off the central Philippines and formed by the subduction of the Sulu Sea Plate beneath the Philippine Mobile Belt.
- 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: Guam Trench Target entity description: The Guam Trench is a deep oceanic trench in the western Pacific Ocean, forming part of the southern extension of the Mariana Trench system near the island of Guam.
-
A.
Philippine Trench
The Philippine Trench is a deep oceanic trench in the western Pacific, known as one of the deepest points on Earth’s seafloor and a major site of tectonic subduction.
-
B.
Palau Trench
The Palau Trench is a deep oceanic trench in the western Pacific Ocean near Palau, formed by the subduction of the Philippine Sea Plate.
-
C.
Tonga Trench
The Tonga Trench is one of the deepest oceanic trenches on Earth, located in the southwestern Pacific and formed by the subduction of the Pacific Plate beneath the Indo-Australian Plate.
-
D.
Puerto Rico Trench
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.
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E.
Negros Trench
The Negros Trench is a deep oceanic trench in the western Pacific, located off the central Philippines and formed by the subduction of the Sulu Sea Plate beneath the Philippine Mobile Belt.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
oceanic trench
ⓘ
submarine geological feature ⓘ |
| adjacentTo |
Guam Basin
NERFINISHED
ⓘ
Mariana Island arc NERFINISHED ⓘ |
| associatedHazard |
earthquakes
ⓘ
tsunami generation potential ⓘ |
| associatedWith |
Mariana Island Arc
NERFINISHED
ⓘ
volcanic arc–trench system ⓘ |
| bathymetricFeature |
narrow trench floor
ⓘ
steep trench wall ⓘ |
| countryClosestTo | United States NERFINISHED ⓘ |
| depthCategory | greater than 6000 meters ⓘ |
| ecosystemType | deep-sea benthic ecosystem ⓘ |
| featureOf | Pacific Ring of Fire NERFINISHED ⓘ |
| formedBy | plate convergence between Pacific Plate and Philippine Sea Plate ⓘ |
| geologicalAge | Cenozoic ⓘ |
| geologicalFeatureType | deep-sea trench ⓘ |
| geologicalProcess | oceanic lithosphere subduction ⓘ |
| governedBy | United Nations Convention on the Law of the Sea NERFINISHED ⓘ |
| locatedIn |
Pacific Ocean
ⓘ
western Pacific Ocean NERFINISHED ⓘ |
| locatedInExclusiveEconomicZoneOf |
Guam
NERFINISHED
ⓘ
United States NERFINISHED ⓘ |
| locatedNear | Guam NERFINISHED ⓘ |
| marineEnvironment | deep-sea environment ⓘ |
| marineZone | abyssal and hadal depths ⓘ |
| maximumDepthCharacteristic | hadal zone ⓘ |
| namedAfter | Guam NERFINISHED ⓘ |
| oceanRegion |
Philippine Sea
NERFINISHED
ⓘ
western North Pacific ⓘ |
| overridingPlate | Philippine Sea Plate NERFINISHED ⓘ |
| partOf |
Izu–Bonin–Mariana subduction system
NERFINISHED
ⓘ
Mariana Trench system NERFINISHED ⓘ |
| relativeLocation |
east of the Mariana island of Guam
ⓘ
south of the main Mariana Trench axis ⓘ southeast of the Mariana Islands arc ⓘ |
| southernExtensionOf | Mariana Trench NERFINISHED ⓘ |
| studiedInDiscipline |
marine geology
ⓘ
oceanography ⓘ plate tectonics ⓘ |
| subductingPlate | Pacific Plate NERFINISHED ⓘ |
| tectonicSetting |
convergent plate boundary
ⓘ
subduction zone ⓘ |
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: Guam Trench Description of subject: The Guam Trench is a deep oceanic trench in the western Pacific Ocean, forming part of the southern extension of the Mariana Trench system near the island of Guam.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.