Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/7905
AuthorsCastelli, V. 
TitleHidden behind the Ranges: How the 13 April 1558 “Sienese” Earthquake Was Put in Its Place
Issue DateJun-2004
Series/Report no.3/75 (2004)
DOI10.1785/ gssrl.75.3.342
URIhttp://hdl.handle.net/2122/7905
KeywordsCentral Tuscany, Relocation of misplaced earthquake
Archive research, Macroseismic intensity map
Subject Classification04. Solid Earth::04.06. Seismology::04.06.05. Historical seismology 
AbstractThe 13 april 1558 earthquake was located midway between Siena and Florence (Tuscany) with epicentral intensity VI-VII MCS and magnitude 4.6 by the CPTI Working Group (1999) catalog. The historical data set from which these epicentral parameters were derived is extremely scanty: two low macroseismic intensity data points (Florence and Siena) and vague mentions of "more damage" in the intermediate area. By mean of a targeted archive research, the data set has been very much improved (from 2 to 21 macroseismic intensity data points) and a new set of epicentral parameters has been assessed, turning a comparatively minor damaging event into one with epicentral intensity IX MCS and magnitude 5.8, located in Valdambra, an area with no extant record of seismic activity before this study.
Appears in Collections:Papers Published / Papers in press

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