In 1939 and again in 2009, Australia watched helplessly as massive firestorms roared through bone dry forests with devastating speed. We then experience the tragic events of Haiti in 1842 and 2010 when monstrous earthquakes below sea level brought untold misery and devastation.
The most destructive earthquake in Tokyo's history and the strongest one in history are apart by 89 years. Down under in Australia, we track the isolated northern outpost of Darwin to understand how they learned from cyclones that devastated their town in 1897 and again in 2011.
Devastating hurricanes twice leave a path of destruction in Galveston, Texas, an island city on the Gulf Coast of Texas. Then, Iceland is on high alert for the destructive force of deadly volcanoes throughout the land that show their bad side more than once.
In Peru, two deadly avalanches in 1962 and again in 1970 tore down Mount Huascaran's north face, wiping out the towns of Ranrahirca and Yungay. And in Montreal, two record breaking ice storms entombed the city in frozen ice in 1961 and again in 1998.