Abstract
The Irpinia Seismic Network (ISNet) is deployed in Southern Apennines
along the active fault system responsible for the 1980, November
23, Ms 6.9 Campania-Lucania earthquake. It is set up by 28 stations
and covers an area of about 100 x 70 km2. Each site is equipped with
a 1-g full-scale accelerometer and a short-period velocimeter. Due
to its design characteristics, i.e., the wide dynamic range and the
high density of stations, the ISNet network is mainly devoted to
estimating in real-time the earthquake location and magnitude from
low- to high- magnitude events, and to providing ground-motion parameters
values so to get some insights about the ground shaking expected.
Moreover, the availability of high-quality of data allows studying
the source processes related to the seismogenetic structures in the
area. The network layout, the data communication system and protocols
and the main instrumental features are described in the paper. The
data analysis is managed by Earthworm software package that also
provides the earthquake location while custom software has been developed
for real-time computation of the source parameters and shaking maps.
Technical details about these procedures are given in the article.
The data collected at the ISNet stations are available upon request.
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