Abstract:
From the SEISMIC HAZARD ASSESSMENT, ONONDAGA COUNTY, NEW YORK
Authors: Donald H. Cadwell, Ph.D. and Gary N. Nottis
ABSTRACT
Seismic shear-wave data collection is expanding the database for
the projection statewide of seismic hazards and is obtaining detailed
infromation about the varied surficial materials across New York
State. Onondaga County
... was selected for study because of the types of
surficial materials depostitd within the County during retreat of the
Wisconsinan Ice Sheet, 13,000-10,000 years ago, and because of the
large urban population in the greater Syracuse region. Lacustrine
sands, silts, and clays were deposited in Glacial Lake Oneida, a 400
square-mile lake that developed at the edge of the glacier front,
during the waning stages of Woodfordian deglaciation. For example,
the glacier retreated from the southern part of Onondaga County, near
Tully and Otisco Uplands, and continued past Syracuse and the
Green Lakes State Park into the Mohawk Lowlands to the north. Glacial
Lake Oneida included most of the lowland and swamp regions within
10-20 miles of the present 250 square-mile Oneida Lake. Specific site
locations for intrepretation of seismic data were chosen based on the
type of surficial material and the projected susceptibility to
liquefaction, landslide, and seismic shear-wave attenuation. 
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