Articles | Volume 18, issue 9
Nat. Hazards Earth Syst. Sci., 18, 2355–2366, 2018
https://doi.org/10.5194/nhess-18-2355-2018
Nat. Hazards Earth Syst. Sci., 18, 2355–2366, 2018
https://doi.org/10.5194/nhess-18-2355-2018

Research article 12 Sep 2018

Research article | 12 Sep 2018

Growth of a sinkhole in a seismic zone of the northern Apennines (Italy)

Alessandro La Rosa et al.

Data sets

Italian Seismological Instrumental and Parametric Data-Base Istituto Nazionale di Geofisica e Vulcanologia (INGV) https://doi.org/10.13127/ISIDe

CPTI15, the 2015 version of the Parametric Catalogue of Italian Earthquakes A. Rovida, M. Locati, R. Camassi, B. Lolli, and P. Gasperini https://doi.org/10.6092/INGV.IT-CPTI15

GEOscopio Regione Toscana http://www502.regione.toscana.it/geoscopio/cartoteca.html

EarthExplorer U.S. Geological Survey (USGS) https://earthexplorer.usgs.gov

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Short summary
We use a multi-disciplinary dataset to show that the Prà di Lama sinkhole was created through several episodic events of unrest. We suggest that fluid circulation along an active fault zone, accompanied by localized seismic creep, control the growth of the Prà di Lama deep-sited sinkhole. Conversely, a connection between events of unrest and the largest earthquakes in northern Tuscany is not identified. This paper provides new insights into the evolution of sinkholes in active fault zones.
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