Reasons to worry: Merapi is capable of producing a Plinian eruption (spewing at least 1 cubic kilometer of magma and producing 20 to 50 kilometer-high ash columns)every 1,000 years or so.
列入关注的理由：默拉皮火山属于普林尼式喷发，大约每千年大规模爆发一次（喷涌而出的岩浆总量可达1立方千米，漫天飞扬的火山灰足有20至50千米高）。
Reasons to worry: Merapi is capable of producing a Plinian eruption (spewing at least 1 cubic kilometer of magma and producing 20 to 50 kilometer-high ash columns)every 1,000 years or so.
列入关注的理由：默拉皮火山属于普林尼式喷发，大约每千年大规模爆发一次（喷涌而出的岩浆总量可达1立方千米，漫天飞扬的火山灰足有20至50千米高）。
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