Volcanoes_5 - EOSC 114 Guillaume Carazzo Earthquakes...

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Unformatted text preview: EOSC 114 / Guillaume Carazzo Earthquakes Volcanoes Landslides Storms Waves Impacts Recap Last session we examined some of the main products of volcanoes and their dangers: • pyroclastic fall deposits • sector collapse • toxic gases We also map major hazards around a volcano Volcanoes • Lecture 1- Volcano Basics • Lecture 2- Types of volcanoes • Lecture 3- Volcanic hazards I • Lecture 4- Volcanic hazards II • Lecture 5- Volcano monitoring and predicting eruptions Outline 1/ Volcano monitoring 2/ Mt Baker volcano Learning Goals By the end of this (final) session, you will be able to: • describe and assess different volcano monitoring techniques • discuss the way BC’s volcanoes are monitored • evaluate hazards and risks associated with an eruption from Mount Baker Step 1. mapping previous hazards 1. Compile existing data 2. Geological mapping: examine type and distribution of deposits from past eruptions to predict future Geochemistry- (determine silica content, i.e. explosivity) Geochronology- (age of deposits/eruption rate) Burnt trees in pyroclastic flow Deposits - carbon dating This is how you make a hazard map !"#"$% ’"()!...
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Volcanoes_5 - EOSC 114 Guillaume Carazzo Earthquakes...

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