One died one minute sooner than One died one minute sooner than the other but both were ten miles the other but both were ten miles

apart - how?apart - how?

Mt St Helens – North AmericaMt St Helens – North America

North American Plate

Juan de Fuca plate

BeforeBeforeMayMay19801980

The StartThe Start

Notice how the whole side of the mountain isBlown out by a huge explosion sending out

A massive pyroclastic flow

AfterAfter

The effectsThe effects

Now

New visitor centre 1986

Lava dome still growing

You don’t have to come to a volcano, You don’t have to come to a volcano, the volcano will come to youthe volcano will come to you

What to do

New Wider World book Pages 250-251 + sheet

•Fill in your sheet to show details of the eruption

•Produce a factfile about Mount St Helens using these headings and bullet points

•Location

•Why it erupted? (names of plates needed)

•Effects of eruption

•Responses to the eruption

•A small sketch map to show the affected area