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    <schema:description>ESM, the Engineering Strong-Motion Database, provides a set of facilities to search, select, download and analyse ground-motion data and associated metadata. The waveforms contained in ESM are relative to events with magnitude ≥ 4.0, mainly recorded in the European-Mediterranean regions and the Middle-East.&#13;
ESM is targeted to applied seismologists, earthquake engineers, professional engineers, geologists, and policy makers.&#13;
&#13;
ESM main features are:&#13;
Access to authoritative strong-motion data and metadata;&#13;
Manual processing and quality check of waveforms;&#13;
Periodic upload of waveforms and revision of related metadata;&#13;
Standardization of waveforms and metadata according to the Federation of Digital Seismograph Networks (FDSN);&#13;
Data interoperability with other datasets and open-source software (e.g. Obspy);&#13;
Availability of facilities for engineering seismology and earthquake engineering;&#13;
Documentation for the User.&#13;
ESM is fully compatible with the European Integrated Data Archive (EIDA), a distributed data centre established to securely archive seismic waveform data and related metadata, based on international seismological standards. ESM also includes off-line data, available in regional archives, such as the European Strong-Motion Database (ISESD), the ITalian ACcelerometric Archive (ITACA), the Strong Ground Motion Database of Turkey and the HEllenic Accelerogram Database (HEAD).&#13;
&#13;
The philosophy of data collection is described in Luzi et al. (2016) .&#13;
ESM is developed and maintained by the ESM WG of INGV under the general coordination of the ORFEUS strong-motion management committee,and has been supported by the following Projects:&#13;
European Plate Observing System (EPOS, GA 676564);&#13;
Seismology and Earthquake Engineering Research Infrastructure Alliance for Europe (SERA, GA 730900).</schema:description>
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