Eastern Tennessee Seismic Zone
E686613
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.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
intraplate earthquake zone
ⓘ
seismic zone ⓘ |
| alsoKnownAs | East Tennessee Seismic Zone NERFINISHED ⓘ |
| associatedWith |
Appalachian Mountains
NERFINISHED
ⓘ
Chattanooga Tennessee region NERFINISHED ⓘ Knoxville Tennessee region ⓘ |
| closestMajorCity |
Chattanooga Tennessee
NERFINISHED
ⓘ
Knoxville Tennessee NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crustalSetting | old stable continental crust ⓘ |
| dataSource |
historical earthquake reports
ⓘ
instrumental seismic records ⓘ |
| earthquakeFrequency | dozens of small earthquakes per year ⓘ |
| extendsInto |
Alabama
NERFINISHED
ⓘ
Georgia NERFINISHED ⓘ Kentucky NERFINISHED ⓘ North Carolina NERFINISHED ⓘ South Carolina NERFINISHED ⓘ Virginia NERFINISHED ⓘ |
| geologicProvince |
Appalachian Plateau
NERFINISHED
ⓘ
Valley and Ridge province NERFINISHED ⓘ |
| hazardLevel | moderate for central and eastern United States ⓘ |
| includedIn | U.S. National Seismic Hazard Maps ⓘ |
| knownFor |
frequent small earthquakes
ⓘ
moderate earthquakes ⓘ significant seismic hazard potential ⓘ |
| length | several hundred kilometers ⓘ |
| locatedIn |
Tennessee
ⓘ
southeastern United States NERFINISHED ⓘ |
| maximumObservedMagnitude | approximately 4.7 ⓘ |
| monitoredBy |
Center for Earthquake Research and Information University of Memphis
NERFINISHED
ⓘ
United States Geological Survey NERFINISHED ⓘ regional seismic networks ⓘ |
| notableEarthquake |
April 29 2003 M4.0 earthquake near Fort Payne Alabama
ⓘ
April 29 2003 M4.6 Fort Payne Alabama earthquake ⓘ August 9 2020 M5.1 Sparta North Carolina earthquake (regional context) NERFINISHED ⓘ |
| orientation | northeast-southwest trending ⓘ |
| partOf | North American Plate NERFINISHED ⓘ |
| riskTo |
critical infrastructure in southeastern United States
ⓘ
population centers in eastern Tennessee ⓘ |
| seismicHazardConcern | potential for damaging moderate-magnitude earthquakes ⓘ |
| seismicityType | diffuse seismicity ⓘ |
| studiedBy | seismologists ⓘ |
| studiedFor | intraplate earthquake processes ⓘ |
| tectonicOrigin | reactivation of ancient faults in the Appalachian crust ⓘ |
| tectonicSetting | intraplate ⓘ |
| typicalMagnitudeRange | below magnitude 3 ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.