{"title":"圣海伦火山","authors":"David A. Anderson","doi":"10.2307/j.ctv173f0jk.14","DOIUrl":null,"url":null,"abstract":"Mount St Helens was the first big volcanic disaster of modern times – it was filmed and photographed with modern cameras. Scientists were able to see the eruption as it happened, and it changed the way we study volcanoes. Today, there is a permanent volcano observatory at Mount St Helens, equipped with many new instruments to help monitor volcanic activity. This sideways explosion is a lateral blast . The explosion cloud raced over the ground at over 300 mph, travelling over hills and valleys, destroying an area twice the size of Birmingham in just 3 minutes.","PeriodicalId":448245,"journal":{"name":"Out of the Crater","volume":"16 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2020-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Mount St. Helens\",\"authors\":\"David A. Anderson\",\"doi\":\"10.2307/j.ctv173f0jk.14\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Mount St Helens was the first big volcanic disaster of modern times – it was filmed and photographed with modern cameras. Scientists were able to see the eruption as it happened, and it changed the way we study volcanoes. Today, there is a permanent volcano observatory at Mount St Helens, equipped with many new instruments to help monitor volcanic activity. This sideways explosion is a lateral blast . The explosion cloud raced over the ground at over 300 mph, travelling over hills and valleys, destroying an area twice the size of Birmingham in just 3 minutes.\",\"PeriodicalId\":448245,\"journal\":{\"name\":\"Out of the Crater\",\"volume\":\"16 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2020-11-10\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Out of the Crater\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.2307/j.ctv173f0jk.14\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Out of the Crater","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.2307/j.ctv173f0jk.14","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Mount St Helens was the first big volcanic disaster of modern times – it was filmed and photographed with modern cameras. Scientists were able to see the eruption as it happened, and it changed the way we study volcanoes. Today, there is a permanent volcano observatory at Mount St Helens, equipped with many new instruments to help monitor volcanic activity. This sideways explosion is a lateral blast . The explosion cloud raced over the ground at over 300 mph, travelling over hills and valleys, destroying an area twice the size of Birmingham in just 3 minutes.
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