Abstract
<p>The 24 August 2016 earthquake very heavily struck the central sector of the Apennines among the Lazio,Umbria, Marche and Abruzzi regions, devastating the town of Amatrice, the nearby villages and other localities along the Tronto valley. In this paper we present the results of the macroseismic field survey carried out using the European Macroseismic Scale (EMS) to take the heterogeneity of the building stock into account. We focused on the epicentral area, where geological conditions may also have contributed to the severity of damage. On the whole, we investigated 143 localities; the maximum intensity 10 EMS has been estimated for Amatrice, Pescara del Tronto and some villages in between. The severely damaged area (8-9 EMS) covers a strip trending broadly N-S and extending 15 km in length and 5 km in width; minor damage occurred over an area up to 35 km northward from the epicenter.</p>
Highlights
On August 24, 2016, 01:36 GMT, central Italy was hit by a Mw 6.0 earthquake that caused major destruction and 299 fatalities over the central sector of the Apennines among the Lazio, Umbria, Marche and Abruzzi regions
This earthquake was the strongest event of the related seismic sequence, with more than 11,500 events recorded until the end of September
The investigation involved a working group with specific field experience in applying the European Macroseismic Scale (EMS) in cases of recent, damaging earthquakes, who operated according to a procedure that has been implemented, step by step, since the 1997-98 Umbria-Marche seismic sequence (Camassi et al, 2008) till the 2009 L’Aquila and 2012 Emilia earthquakes (Tertulliani et al, 2011, 2012; Azzaro et al 2011)
Summary
On August 24, 2016, 01:36 GMT, central Italy was hit by a Mw 6.0 earthquake that caused major destruction and 299 fatalities over the central sector of the Apennines among the Lazio, Umbria, Marche and Abruzzi regions This earthquake was the strongest event of the related seismic sequence, with more than 11,500 events recorded until the end of September. Seismological data acquired by the INGV seismic network locate the epicentre of the Mw 6.0 earthquake near the village of Accumoli (province of Rieti), and show an aftershocks distribution along a NWSE trend extending for approximately 40 km. This area partially fills the gap between the. The largest known earthquake destroyed Amatrice and surroundings in 1639 (I0 9-10 MCS, Mw 6.2), with a seismic scenario not unlike the present event
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