In a matter of minutes, an October earthquake measuring 7.3 turned the city of Ashgabat into a pile of rubble. A thousand Soviet doctors, nurses and other medical personnel flooded in from Moscow and other cities to aid sufferers in what is now Turkmenistan. Despite their efforts, 110,000 people perished.
Top 10 Deadliest Earthquakes
An 8.9-magnitude earthquake has hit northeastern Japan, producing a destructive tsunami that swept through several coastal areas. TIME takes a look at some of history's most unforgiving earthquakes