Acknowledgements
We thank Dr. Peter Shearer for sharing his ideas in the process of
determining the SNSS method, and the USGS/HRSN personnel who collect and
distribute Parkfield dataset online for public use (visit the USGS at
https://usgs.gov for further details). Data for this study come
from the High-Resolution Seismic Network (HRSN) doi:10.7932/HRSN,
operated by the UC Berkeley Seismological Laboratory, which is archived
at the Northern California Earthquake Data Center (NCEDC),
doi:10.7932/NCEDC. Waveform data, metadata, or data products for this
study were accessed through the Northern California Earthquake Data
Center (NCEDC), doi:10.7932/NCEDC. Some of the computing for this
project was performed at the OU Supercomputing Center for Education &
Research (OSCER) at the University of Oklahoma (OU). This project is
supported by National Science Foundation (NSF) under Awards 1547071 and
1547083. The dataset used for the analysis in this research can be
obtained in the first author’s GitHub repository
(https://doi.org/10.5281/zenodo.5129231).