Seismotectonic maps in the vicinity of the lower Wabash Valley, Illinois, Indiana, and Kentucky - Digital Spatial Database: Neotectonic features

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Description Although many faults are detected at the surface and in deep structures, they are important in evaluating present seismic hazard only if they show evidence of having recent slip. Older faults may have healed, or movement may have occurred under a differen
Originators Rhea, Susan
Publication U.S. Geological Survey Open-File Report 97-0681

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States or counties


Washington geologic map

Label Definition
FORMATION Name of geologic map unit (no descriptions found)


Linear geologic features

Label Definition
ARC_TYPE Short name of line type
LTYPE Line type
MODIFIER Type of contact, fold, fault or other
ACCURACY Positional Accuracy
FAULT_CONT Denotes that arc is both a fault and a contact
ARC_DESC LTYPE, MODIFIER, and ACCURACY combined as one attribute


Washington geologic map units at specific locations (same attributes as polygon coverage WAGEOL.PAT)

Label Definition


Faults on geologic map

Label Definition
FAULT_TYPE Fault type
ACCURACY Positional Accuracy
SUM FAULT_TYPE and ACCURACY combined as one attribute