about volcanic
activity. Such a warning would be issued to major stakeholders (Iceland's
Civil Protection Department, Isavia and
London VAAC) and to the public. In
addition to the extended seismic (SIL) network, the monitoring network
around Hekla includes instruments that detect ground deformation (GPS and
borehole strain meters), volcanic gases (DOAS and MultiGAS) and fixed sites for web-
camera
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