1.
landslide, mudslide
A collapse of earth and rock from a slope, often triggered by heavy rain or earthquakes.
Related Words
Related:
氾濫 (flood, overflow)
Related:
地滑り (landslip)
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洪水 (flood)
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崖崩れ (cliff collapse)
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避難 (evacuation)
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警戒 (warning, alert)
Related:
災害 (disaster)