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Tsunamis as a secondary hazard: Krakatoa 1883

Let’s think about primary and secondary hazards in the context of a new extreme event, the 1883 eruption of Krakatau (or Krakatoa volcano in Indonesia). Krakatau is a volcanic island …

Volcanic hazards

In this video, Dr Marc Alban-Millet introduces a range of volcanic hazards. As we saw in the video, there are two main categories of hazards. Primary Caused by specific activity, …

Earthquake hazards

Megaquakes occur much more frequently than some of the other extreme events we’ve looked at. In the last 15 years that have been several megaquakes recorded. The destructive power of …