Questions: 1. Towards the end of the first video about May 18, 1980 video (at ab

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Questions: 1. Towards the end of the first video about May 18, 1980 video (at about 5:48), Norm Banks (USGS) indicates that volcanologists learned a lot scientifically as well as to society's needs. Based on the video and your own knowledge of hazards and risk, what do you think are the kinds of things scientists learned from the 1980 eruption in terms of monitoring volcanoes? 2. What are some of the more modern methods for monitoring volcanoes that have been developed since the 1980 eruption? How do those help geoscientists understand a volcano's activity? Are the monitoring techniques used in 1980 obsolete? 3. Describe some of the characteristics of the eruption hazards at Mount Saint Helens in the table below: Types of Damage Caused (eg. Type of area most likely for future (eg. river Type of Hazard lowing down houses, fires, channel, high plains, downwind, etc. Use Hazard etc) Map) Lava Flows, Domes Ash Tephra Fall Pyroclastic Flows/Surges Lahars Flooding & Sedimentation

Explanation / Answer

Scientists learnt how to deal with public and press so that through press and media, world may come to know how volcano works and what are the risks involved. This led volcanology to be included in a major study of science.People watched live eruptions and this research led to planning of hazard and risk management related to volcanoes

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