Relier Pairs Natural disasters unit 4Version en ligne vocabulary unit 4 par Javi Alejandra 1 Hurricanes happen in the... 2 Earthquakes are... 3 Blizzard... 4 A tsunami... 5 A tornado is... 6 A drought ocurrs when... a windstorm occurring over land. is a severe snowstorm with high winds and low visibility. Atlantic Ocean, whereas typhoons happen in the Pacific. is a series of enormous waves created by an underwater disturbance usually associated with earthquakes occurring below or near the ocean there is a long period with little or no rain. violent shakings of the Earth's crust that may cause destruction to buildings.