Charleston Seismic Zone
E686858
The Charleston Seismic Zone is a seismically active region in the southeastern United States, centered near Charleston, South Carolina, known for producing significant intraplate earthquakes such as the major 1886 event.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Charleston Seismic Zone canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7744874 — 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: Charleston Seismic Zone Context triple: [Central Virginia Seismic Zone, relatedTo, Charleston Seismic Zone]
-
A.
Eastern Tennessee Seismic Zone
The Eastern Tennessee Seismic Zone is a major intraplate earthquake region in the southeastern United States, known for frequent small to moderate earthquakes and significant seismic hazard potential.
-
B.
Brawley Seismic Zone
The Brawley Seismic Zone is an active tectonic region in Southern California characterized by frequent small to moderate earthquakes and complex faulting that links the Imperial and southern San Andreas faults.
-
C.
Central Virginia Seismic Zone
The Central Virginia Seismic Zone is an intraplate earthquake-prone region in central Virginia known for producing occasional moderate earthquakes, including the notable 2011 Virginia event.
-
D.
Heezen Fault Zone
The Heezen Fault Zone is a major undersea geological fault system named in honor of American oceanographer Bruce C. Heezen, recognized for his pioneering work in mapping the ocean floor.
-
E.
Liquiñe-Ofqui Fault Zone
The Liquiñe-Ofqui Fault Zone is a major strike-slip fault system in southern Chile that controls much of the region’s tectonic activity, volcanism, and seismicity along the Andean margin.
- 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: Charleston Seismic Zone Target entity description: The Charleston Seismic Zone is a seismically active region in the southeastern United States, centered near Charleston, South Carolina, known for producing significant intraplate earthquakes such as the major 1886 event.
-
A.
Eastern Tennessee Seismic Zone
The Eastern Tennessee Seismic Zone is a major intraplate earthquake region in the southeastern United States, known for frequent small to moderate earthquakes and significant seismic hazard potential.
-
B.
Brawley Seismic Zone
The Brawley Seismic Zone is an active tectonic region in Southern California characterized by frequent small to moderate earthquakes and complex faulting that links the Imperial and southern San Andreas faults.
-
C.
Central Virginia Seismic Zone
The Central Virginia Seismic Zone is an intraplate earthquake-prone region in central Virginia known for producing occasional moderate earthquakes, including the notable 2011 Virginia event.
-
D.
Heezen Fault Zone
The Heezen Fault Zone is a major undersea geological fault system named in honor of American oceanographer Bruce C. Heezen, recognized for his pioneering work in mapping the ocean floor.
-
E.
Liquiñe-Ofqui Fault Zone
The Liquiñe-Ofqui Fault Zone is a major strike-slip fault system in southern Chile that controls much of the region’s tectonic activity, volcanism, and seismicity along the Andean margin.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
intraplate seismic zone
ⓘ
seismic zone ⓘ |
| affects |
Charleston, South Carolina metropolitan area
NERFINISHED
ⓘ
coastal South Carolina ⓘ parts of Georgia ⓘ parts of North Carolina ⓘ |
| associatedWith |
buried fault systems in coastal plain sediments
ⓘ
reactivated ancient faults ⓘ |
| centeredNear | Charleston, South Carolina NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| earthquakeRecurrence | infrequent large earthquakes ⓘ |
| educationAndOutreachBy |
USGS
NERFINISHED
ⓘ
state geological surveys of South Carolina ⓘ |
| hasAftershockActivity | yes ⓘ |
| hasHistoricalEarthquake | 1886 Charleston earthquake NERFINISHED ⓘ |
| hasOngoingSeismicity | yes ⓘ |
| hasUncertainFaultGeometry | yes ⓘ |
| hazardLevelRelativeToRegion | one of the highest in the eastern United States ⓘ |
| hazardType | earthquake hazard ⓘ |
| includedIn | USGS National Seismic Hazard Maps NERFINISHED ⓘ |
| influencesBuildingCodesIn |
Charleston, South Carolina
NERFINISHED
ⓘ
coastal South Carolina ⓘ |
| knownFor | 1886 Charleston earthquake NERFINISHED ⓘ |
| largestRecordedEarthquake | 1886 Charleston earthquake NERFINISHED ⓘ |
| locatedIn |
South Carolina
ⓘ
southeastern United States NERFINISHED ⓘ |
| maximumObservedMagnitude | about 7.0 ⓘ |
| monitoredBy |
United States Geological Survey
NERFINISHED
ⓘ
regional seismic networks ⓘ |
| notableEventFeltArea | large area of eastern United States ⓘ |
| notableEventImpact | widespread damage in Charleston, South Carolina ⓘ |
| notableEventMagnitudeApprox | 7.0 ⓘ |
| notableEventType | destructive intraplate earthquake ⓘ |
| notableEventYear | 1886 ⓘ |
| partOf | Atlantic Coastal Plain region NERFINISHED ⓘ |
| publicSafetyConcern | earthquake preparedness in Charleston region ⓘ |
| riskTo |
buildings and infrastructure in Charleston area
ⓘ
critical facilities in coastal South Carolina ⓘ |
| seismicityType | moderate to high intraplate seismicity ⓘ |
| seismicRiskCategory | significant for eastern United States ⓘ |
| seismicWavePropagation | long-distance shaking in eastern North America crust ⓘ |
| studiedBy | seismologists ⓘ |
| studiedFor |
intraplate earthquake mechanisms
ⓘ
seismic hazard assessment in eastern United States ⓘ |
| tectonicSetting | intraplate ⓘ |
| timeZone | Eastern Time 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: Charleston Seismic Zone Description of subject: The Charleston Seismic Zone is a seismically active region in the southeastern United States, centered near Charleston, South Carolina, known for producing significant intraplate earthquakes such as the major 1886 event.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.