The Global Seismographic Network (GSN) is an approximately 150 station, globally distributed, state-of-the-art digital seismic network that provides free, realtime, open access data. The GSN is a cooperative scientific facility operated jointly by the National Science Foundation (NSF) and the U.S. Geological Survey (USGS), in coordination with the international community. This multi-use scientific facility is a societal resource … Continued