Volcanic eruption case study


Soufriere Hills:

Location: Montserrat (island on the Caribbean Sea).

Margin: destructive plate margin; North American was subducted under the Caribbean plate.

Date: June-September 1997; a series of large eruptions.

Largest eruption: 4-5 million m^3 of tephra was ejected over a 20-minute period; pyroclastic flows covered several square kilometres; large ash clouds.

Economic impacts:

  • £1 billion lost with loss of homes and investments.

  • 20 villages destroyed by pyroclastic flows.

  • Tourism was reduced.

  • Schools, hospitals,


No comments have yet been made