The Kalochori Accelerometric Network (KAN), database and Web-GIS portal: earthquake records update between 01/01/2017 and 31/03/2021

The Kalochori Accelerometric Network (KAN) operates since 2014 in the broader urban area of Kalochori, 7km west of Thessaloniki in Northern Greece, as part of a multi-sensor scheme developed and implemented during the INDES-MUSA project (http://www.indes-musa.gr/) for earthquake motion and land subsidence monitoring. KAN refers to a dense urban network composed of seven accelerometric stations, including ground ("urban free-field") stations installed within different urban zones (residential, industrial and oil tanks zone) of the monitoring area, stations on top of selected structures within each urban zone and an open-ground free-field station away from the built environment. All the stations are documented with installation and operation features, available characteristics of the housing structures and geotechnical data of the stations sites. <br>Following up on a previous data upload (DOI:10.6084/m9.figshare.5044804), referring to 78 earthquakes recorded by KAN between 2014 and 2016, an updated dataset is linked to this DOI with an extra set of 104 recorded earthquakes in the period January 2017 to March 2021. Thus, a dataset of 182 earthquakes in total is now disseminated, including filtered and unfiltered acceleration signals. KAN stations monographs and metadata of the recorded earthquakes are attached. An online demonstration of the Kalochori Accelerometric Network and dissemination of the filtered data is also provided through the Web-GIS platform: http://apollo.itsak.gr/apollo-portal/ApolloPro.aspx.