Special issue  

The special issue will collect contributions from the scientific abstracts submitted to vEGU 2021 in the NH4.1 session "Earthquake-induced hazards: ground motion amplification and ground failures". Nevertheless, it is open to other submissions that are consistent with the topic of the EGU session. Generally, the main concern of the occurrence of an earthquake is ground shaking, although past events worldwide demonstrated that damage and death toll depend on both the strong ground motion and the ground effects. The variability of earthquake ground motion is caused by local geological conditions beneath a given site, due to the stratigraphic or topographic setting, that can give rise to amplification and resonances. Earthquake-induced ground effects are mainly landslides, soil liquefaction, surface faulting, and ground subsidence. They can affect an area with damage related to the full collapse or loss in functionality of facilities, roads, pipelines, and other lifelines.

One of the main interesting points of the special issue is that the topic of earthquake-induced hazards is observed with a multidisciplinary point of view, including different processes that are frequently analysed independently, although they are all tightly linked together. Moreover, the special issue will offer the opportunity to join scientific communities that rarely share their knowledge and results.

Specific topics of the special issue are

• subsoil investigation and characterization for seismic microzonation mapping,
• evaluation of seismic site response (1D, 2D, 3D),
• case histories of earthquake-triggered landslides analysed at either the local or regional scale,
• slope stability analyses and runout modelling of seismically/volcanically induced landslides, and
• studies on soil liquefaction and earthquake-induced subsidence.