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GeoHazards, Volume 3, Issue 4

December 2022 - 5 articles

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Cover Story: The aim of this study was to explore if a scientific open-source, readily available, lava-flow-modelling code (VolcFlow) would suffice for lava emplacement forecasting, focusing on the first seven days of the eruption. We only used the open data that were released during the crisis and previously available data sets. The rheology of the lava, as well as the emission rate, are of utmost relevance when modelling lava flow. Satellite lava extent analysis allowed us to preliminarily estimate its velocity, the average flow emitted, and flow viscosity. These estimates were numerically adjusted by maximising the Jaccard morphometric index that compared the area flooded by the lava for a simulated seven-day advance with the real advance of the lava in the same timescale. View this paper

Articles (5)

  • Article
  • Open Access
5 Citations
5,561 Views
34 Pages

10 December 2022

The eruption of Cumbre Vieja (also known as Tajogaite volcano, 19 September–13 December 2021, Spain) is an example of successful emergency management. The lessons learnt are yet to be fully disclosed as is whether the response can be further im...

  • Article
  • Open Access
7 Citations
3,868 Views
21 Pages

26 November 2022

This paper presents the results of landslide prediction modelling for young glacial areas performed using statistical methods. The area in question is urbanized and therefore mass wasting activity is a matter of interest to both the local community a...

  • Article
  • Open Access
7 Citations
3,122 Views
16 Pages

26 October 2022

The role of the Manning roughness coefficient in modifying a tsunami time series of flow depth inundation was studied in Iquique, Chile, using a single synthetic earthquake scenario. A high-resolution digital surface model was used as a reference con...

  • Article
  • Open Access
7 Citations
4,150 Views
27 Pages

14 October 2022

Climate change is expected to raise river discharge and sea level in the future, and these near-term changes could alter the river flow regime and sedimentation pattern of future floods. Present hazard assessment studies have limitations in consideri...

  • Article
  • Open Access
2 Citations
3,837 Views
13 Pages

6 October 2022

As an earthquake is capable of causing significant losses, a strain buildup and release model following an earthquake is of importance for mitigation purposes. In this study, we aim to model strain buildup and release on a strike-slip fault which con...

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GeoHazards - ISSN 2624-795XCreative Common CC BY license