NH
Natural Hazards

Natural Hazards

Alpine rock instability events and mountain permafrost

Alpine rock instability events and mountain permafrost

Rockfalls, rock slides and rock avalanches in high mountains The terms rockfall, rock avalanche and rockslide are often used interchangeably. Different authors have proposed definitions based on volume thresholds, but the establishment of fixed boundaries can be tricky. Rockfall can be defined as the detachment of a mass of rock from a steep rock-wall, along discontinuities and/or through rock bri ...[Read More]

InSAR Norway: the big eye on Norwegian unstable rock slopes

InSAR Norway: the big eye on Norwegian unstable rock slopes

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]

#EGU19 program is ready! Are you ready for it?

#EGU19 program is ready! Are you ready for it?

#EGU19 program is ready! Are you ready for it?   The next EGU’s General Assembly is taking place in one week! We bet you already started planning your program for the week, that Natural Hazard (NH) sessions are included, and, especially if you are an Early Career Scientist (ECS), you have found many sessions and courses targeting your specific needs and interests.   What fits more to you ...[Read More]

The CRED presents the bill: the socio-economic cost of natural disasters.

The CRED presents the bill: the socio-economic cost of natural disasters.

Which type of natural disaster is the most frequent? And which one causes the largest economic losses? Which populations are mainly affected? What are the necessary steps to reduce natural disasters’ impact? If you have ever wondered about any of these questions, you’d be interested to know that there is an institute answering all of them with a series of reports and ad hoc publications. We are ta ...[Read More]