Nature disasters(1): 地震earthquake 雪崩avalanche 火山泥流ahar 泥石流udflow/landslide 超级火山爆发super volcano 洪水lood 大（或急剧的）漩涡maelstrom 海啸tsunami,sea quake,ground sea 暴风雪blizzard 千旱droughtNature disasters(1): 地震 earthquake 雪崩 avalanche 火山泥流 lahar 泥石流 mudflow/landslide 超级火山爆发 super volcano 洪水 flood 大(或急剧的)漩涡 maelstrom 海啸 tsunami , sea quake, ground sea 暴风雪 blizzard 干旱 drought