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Map from a USGS research cruise in 1981

By Coastal and Marine Hazards and Resources Program
Line drawing of a map shows the paths a ship followed near the coast while collecting data, and fault lines are labeled.
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Detailed Description

The lines of data collection during John Behrendt’s USGS research cruise in 1981, with his geologic interpretations in the Helena Banks fault zone.

Sources/Usage

Public Domain.

High-resolution multichannel seismic-reflection profiles across the Helena Banks strike-slip fault zone...
USGS Miscellaneous Field Studies Map 2056
By: Annette Yuan and John C. Behrendt
Published 1988
High-resolution multichannel seismic-reflection profiles across the Helena Banks strike-slip fault zone offshore of the Charleston, South Carolina, earthquake area