Seismic networks have over the last 10–15 years become nearly exclusively real‐time networks. The software used for data collection is both commercial and largely public domain. The two main public domain real‐time detection systems are Earth Worm (EW; Johnson et al., 1995;; last accessed March 2014) and SeisComP3 (SC3; Both systems receive data in real time, perform triggering, store data in a continuous manner, and automatically determine location and magnitude. For a comparison and evaluation of the two systems, see Olivieri and Clinton (2012). EW and SC3 read data sources using different communication...

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