Definition: Threats from catastrophic geological events

Exposition: Strictly speaking, geological events may be part of natural disturbance regimes in many ecosystems. But they need to be considered a threat if a species or habitat is damaged from other threats and has lost its resilience and is thus vulnerable to the disturbance.

10.1 Volcanoes

Definition: Volcanic events


  • eruptions
  • emissions of volcanic gasses

10.2 Earthquakes/Tsunamis

Definition: Earthquakes and associated events


  • earthquakes
  • tsunamis

10.3 Avalanches/Landslides

Definition: Avalanches or landslides


  • avalanches
  • landslides
  • mudslides
10 Geological Events