Research in rapid analysis of earthquake data, broadly classified as early warning (EW) or early alarm studies, has spurred interest in the capability of digital seismic data systems to provide low‐latency data. Because of the wide usage of Quanterra Q330 data systems in operational networks, published results analyzing the latency of deployed systems have considered these devices.

Several years ago, studies (e.g., Allen, 2009; Brown et al., 2011) showed that the effectiveness of EW systems was then limited by the total delay required to deliver waveform data for analysis of 4 s or more within instrumentation systems....

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