Journal
BULLETIN OF THE SEISMOLOGICAL SOCIETY OF AMERICA
Volume 110, Issue 3, Pages 970-997Publisher
SEISMOLOGICAL SOC AMER
DOI: 10.1785/0120190173
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Funding
- National Science Foundation [DGE-1656466, EAR-1550732, EAR-1736046, OCE-1917058]
- European Research Council [226837]
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We describe an algorithm to pick event onsets in noisy records, characterize their error distributions, and derive confidence intervals on their timing. Our method is based on an Akaike information criterion that identifies the partition of a time series into a noise and a signal segment that maximizes the signal-to-noise ratio. The distinctive feature of our approach lies in the timing uncertainty analysis, and in its application in the time domain and in the wavelet timescale domain. Our novel data are records collected by freely floating Mobile Earthquake Recording in Marine Areas by Independent Divers (MERMAID) instruments, midcolumn hydrophones that report triggered segments of ocean-acoustic time series.
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