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Abstract:
During February 2023, a total of 32 individual distributed acoustic sensing (DAS) systems
acted jointly as a global seismic monitoring network. The aim of this Global
DAS Month campaign was to coordinate a diverse network of organizations, instruments,
and file formats to gain knowledge and move toward the next generation
of earthquake monitoring networks. During this campaign, 156 earthquakes of magnitude
5 or larger were reported by the U.S. Geological Survey and contributors shared
data for 60 min after each event’s origin time. Participating systems represent a variety
of manufacturers, a range of recording parameters, and varying cable emplacement
settings (e.g., shallow burial, borehole, subaqueous, and dark fiber). Monitored cable
lengths vary between 152 and 120,129 m, with channel spacing between 1 and 49 m.
The data has a total size of 6.8 TB, and are available for free download. Organizing and
executing the Global DAS Month has produced a unique dataset for further exploration
and highlighted areas of further development for the seismological community to
address.
