Tracking Seismic Velocity Perturbations at Ridgecrest Using Ballistic Correlation Functions
Yixiao Sheng,
Aurélien Mordret,
Florent Brenguier
et al.
Abstract:We present results based on data of a dense nodal array composed of 147 stations, deployed in 2022 near the epicenter of the 2019 Mw 7.1 Ridgecrest earthquake to investigate characteristics of the seismic wavefields. Through array analyses, we identified two primary components. First, we observed far-field P waves dominating the 0.5–1.2 Hz frequency range, which are likely primarily generated by wind-driven oceanic swell activity. Second, we detected near-field body waves resulting from anthropogenic activitie… Show more
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