Application of the Ô framework to USGS creepmeter data (5 stations, 44 years, San Andreas Fault). Ô detects post-seismic structural emergence (afterslip coordination) at 4/5 stations (p<0.001 for Loma Prieta M6.9). No pre-seismic precursor detected. Includes specialist manuscript and plain-language operator guide for seismologists.
Agent) et al. (Sun,) studied this question.