Geography Case Study Mount St Helens

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Part of a new section of videos which will be providing brief explanations of various geography case studies. This one is based on the violent 1980 eruption ...

Mount St. Helens, case study, geography, eruption, 1980, pyroclastic flow, mud flow, ash cloud, plate tectonics, subduction, earthquake, igcse geography, gcse geography, ib dp geography, a level geography, as level geography
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