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The European Archive of Historical Earthquake Data (AHEAD): compilation, results, and perspectives.
Author(s)
NERIES NA4 working Group
Type
Abstract
Language
English
Obiettivo Specifico
5.1. TTC - Banche dati e metodi macrosismici
Status
Unpublished
Conference Name
Issued date
September 6, 2010
Conference Location
Montpellier (France)
Keywords
Abstract
Historical seismic catalogues in Europe have been mostly compiled on a national basis starting from historical data collected
and interpreted according to different procedures and varied levels of formalization. With few exceptions, the macroseismic
data that stand behind the catalogues are not available, or simply never existed. The present-day knowledge on past
seismicity in Europe is consequently far from being homogeneous. This situation affected the past efforts for the compilation
of homogeneous, continent-wide catalogues and still restrains the ongoing initiatives on this topic. To overcome this situation,
the NERIES NA4 project realized the European Archive of Historical Earthquake Data (AHEAD). AHEAD collects and
puts together in a critical way the background information supporting European earthquakes between the years 1000 and
1963. The collected information consists of the most significant, or recent, material supporting an earthquake, such as: i)
studies that interpret the historical records in terms of Macroseismic Data-Points (MDPs); ii) studies that provide the
historical records but not interpreted in terms of MDPs; iii) parameters from catalogues, only. AHEAD contains entries
related to more than 10.000 earthquakes, and the inventoried material is made available through the web. It also provides in a
standardized database the MDPs that support about the 60% of the listed earthquakes. For a large number of them such
MDPs have been released for the first time by partner institutions in the framework of NERIES NA4. AHEAD is conceived
as an interactive tool for representing and improving the knowledge on historical earthquakes, with the aim of making it
homogeneous at a European level. Through the archive researchers can easily: 1) trace back the information supporting each
earthquake in order to reappraise and improve the knowledge of it; 2) compare the different studies on each earthquake and
select a preferred one. This is, for example, the procedure followed for the selection of data upon which the NERIES NA4
European Earthquake Catalogue has been compiled. 3) help keeping the archive as much up-to-date as possible, commenting
studies, data, and parameters and feeding it with fresh studies.
and interpreted according to different procedures and varied levels of formalization. With few exceptions, the macroseismic
data that stand behind the catalogues are not available, or simply never existed. The present-day knowledge on past
seismicity in Europe is consequently far from being homogeneous. This situation affected the past efforts for the compilation
of homogeneous, continent-wide catalogues and still restrains the ongoing initiatives on this topic. To overcome this situation,
the NERIES NA4 project realized the European Archive of Historical Earthquake Data (AHEAD). AHEAD collects and
puts together in a critical way the background information supporting European earthquakes between the years 1000 and
1963. The collected information consists of the most significant, or recent, material supporting an earthquake, such as: i)
studies that interpret the historical records in terms of Macroseismic Data-Points (MDPs); ii) studies that provide the
historical records but not interpreted in terms of MDPs; iii) parameters from catalogues, only. AHEAD contains entries
related to more than 10.000 earthquakes, and the inventoried material is made available through the web. It also provides in a
standardized database the MDPs that support about the 60% of the listed earthquakes. For a large number of them such
MDPs have been released for the first time by partner institutions in the framework of NERIES NA4. AHEAD is conceived
as an interactive tool for representing and improving the knowledge on historical earthquakes, with the aim of making it
homogeneous at a European level. Through the archive researchers can easily: 1) trace back the information supporting each
earthquake in order to reappraise and improve the knowledge of it; 2) compare the different studies on each earthquake and
select a preferred one. This is, for example, the procedure followed for the selection of data upon which the NERIES NA4
European Earthquake Catalogue has been compiled. 3) help keeping the archive as much up-to-date as possible, commenting
studies, data, and parameters and feeding it with fresh studies.
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