地震:earthquake/tremor

海底地震:submarine earthquake

震级:magnitude/Richter scale

余震:aftershock

海啸:tsunami

山崩:landslide

泥石流:mud-rock flow

雪崩:avalanche

火山爆发:volcanic eruption

龙卷风:tornado/cyclone

飓风:hurricane

沙尘暴:sandstorm