列入关注的理由:20世纪四次最大规模的火山爆发,圣塔玛里亚就占了一次,记录的火山爆发指数(VEI)为6级,留下了一个直径为700-1000米的火山口。
Reasons to worry: Santa María's last big blast was one of the four largest volcaniceruptions in the 20th century, registering a VEI magnitude of 6 and leaving a 700-by-1,000 meter craterbehind.
列入关注的理由:20世纪四次最大规模的火山爆发,圣塔玛里亚就占了一次,记录的火山爆发指数(VEI)为6级,留下了一个直径为700-1000米的火山口。
Reasons to worry: Santa María's last big blast was one of the four largest volcaniceruptions in the 20th century, registering a VEI magnitude of 6 and leaving a 700-by-1,000 meter craterbehind.
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