Landslide hazard

The Italian catalogue of earthquake-induced ground failures: saving the past for the future seismic hazard assessment #CEDIT

Gabriele Amato February 10, 2020

Salvatore Martino inventorying the rockslide close to Visso, triggered by the 26 October 2016 earthquake, which dammed the Nera river causing the flooding of the national road.

The Italian Catalogue of Earthquake-Induced Ground Failures (CEDIT) is a database available online since January 2013 that stores data about ground failures induced by strong earthquakes, which occurred on the Italian territory since 1000 AD up to now. CEDIT is freely available on a web-GIS portal (currently the access is granted using Firefox as a web browser, the upgrade to other browsers ...[Read More]

InSAR Norway: the big eye on Norwegian unstable rock slopes

Gabriele Amato April 15, 2019

Fig.1. Screenshot from insar.ngu.no that shows, for each coloured point, its mean movement (in mm/y) and the time series of its displacement.

Marie Keiding is a researcher in the Geohazard and Earth Observation team at the Geological Survey of Norway. Together with her colleague, John Dehls, who is leading the project, she works to develop and operate the new mapping service called InSAR Norway. Before we start, let’s briefly describe what is InSAR. First, the Synthetic Aperture Radar (SAR) is a day and night operational imaging system ...[Read More]

Anthropogenic changes of the landscape and natural hazards

Jonathan Rizzi March 6, 2019

Agricultural terraces for rice cultivation (Honghe Hani Rice Terraces, Cultural Landacape Heritage, Yuanyang County, Yunnan, PR China; photo by P. Tarolli)

In this post, I had the pleasure to interview Paolo Tarolli, a very active member of the EGU community and a brilliant scientist. He is Professor in Water Resources Management and Integrated Watershed Management, and head of Earth Surface Processes and Society research group at the Università degli Studi di Padova (Italy). He has a PhD in Environmental Watershed Management and Geomatics and has wo ...[Read More]

The collapse of Anak Krakatau volcano: a scenario envisaged

Vale Cigala February 4, 2019

Anak Krakatau August 2018. Photo credit: James Reynolds (EarthUncutTV) with permission.

The volcano ID Krakatoa or Krakatau, in Indonesia, is part of the Ujung Kulon National Park, a UNESCO World Heritage property, and among the most (in)famous volcanoes in the world. From a geological point of view, it is part of the Indonesian island arc system generated by the north-eastward subduction of the Indo-Australian plate (Figure 1). Krakatau is now a caldera type of volcano thanks to the ...[Read More]