单词	lahar
释义	lahar /ˈlɑːhɑː / noun Geology A destructive mudflow on the slopes of a volcano.Some volcanic eruptions generate dangerous lahars (mud flows of volcanic ash mixed with water) that travel far beyond the volcano.... Continued growth increases the risk of partial dome collapse, which could trigger moderate explosions and possibly significant lahars (volcanic mudflows) from the crater. Major valleys cutting the volcano's flanks have been partly or completely filled in by pyroclastic flow deposits and lahars. Origin 1920s: from Javanese.
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