GCSE TECTONICSGCSE TECTONICS

To start our first volcano case To start our first volcano case study of Montserrat.study of Montserrat.

MontserratMontserrat

Volcano Case Study 2 - Volcano Case Study 2 - MontserratMontserrat

Fact BoxFact Box

Where: CaribbeanWhere: Caribbean

What is is? – An Island What is is? – An Island owned and run by the UK.owned and run by the UK.

Date of Eruptions: 95-96Date of Eruptions: 95-96

What Happened to the What Happened to the

People: Evacuated.People: Evacuated.

Why?•North & South American plates are pushing beneath Caribbean plate = subduction = friction = melting = pressure build-up

Before

DuringTephra (ash)

Magma dome collapsed causing pyroclastic flow

Phreatic explosion resulting from combination of groundwater and magma

After

Picture of Montserrat

Strato Volcano (layers)

What to doUse UGG Pages 16-17 to produce a factfile about this volcano. Use these headings and write in bullet points

•Location (you could include a small sketch map)

•The Island (you could include a sketch map)

•Why the eruption happened? (what plates/type of boundary)

•Volcanic activity 1995 – 2006

•Primary effects (see Information on Page 14)

•Secondary effects (see Information on Page 14)

•Responses to the eruption (Short term up to 1997) (Medium term) (longer term since 2003)