Later aftershocks of the March 2, 1987, Edgecumbe, New Zealand, earthquake
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Authors
Zhang, Jianjun
Issue Date
1990
Type
Thesis
Language
en_US
Keywords
aftershocks , Edgecumbe , New Zealand , earthquakes , seismic activities , seismic moment , portable smoked paper recorders , magnitude scales , coda durations , geophysics , Mackay Science Project
Alternative Title
Abstract
The March 2, 1987 Edgecumbe, New Zealand earthquake had a magnitude (M1) 6.3 and seismic moment 7.0*1018 N*m. Later aftershocks, from March 15 to 27, were monitored with 10 portable smoked paper recorders operated by the United States Geological Survey, and by seven digital event recorders from the University of Nevada, Reno. Two magnitude scales for these aftershocks were established by calibration of amplitudes and coda durations with seismic moments determined from digital records for 18 events. Most events analyzed have magnitudes between 1.0 and 2.8.
Description
Online access for this thesis was created in part with support from the Institute of Museum and Library Services (IMLS) administered by the Nevada State Library, Archives and Public Records through the Library Services and Technology Act (LSTA). To obtain a high quality image or document please contact the DeLaMare Library at https://unr.libanswers.com/ or call: 775-784-6945.
Citation
Publisher
University of Nevada, Reno
License
In Copyright(All Rights Reserved)