1.4C

• The impacts of tectonic hazards are broadly of three types:

  1. social - deaths, injury and wider health impacts including psychological ones
  2. economic - the loss of property, businesses, infrastructure and opportunity
  3. environmental - damage or destruction of physical systems, especially ecosystems
• In the last 30 years, different tectonic hazards have had contrasting impacts in terms of scale. Volcanic eruptions: Small and declining impacts, especially death tollsEarthquakes: Large impacts, as significant earthquakes are common and widespreadTsunami: Very large impacts from a small number of events