Portal:Earth sciences/DYK/3

...that nearly 10 years before the 2008 Atlanta Tornado, the Dunwoody Tornado (pictured) caused significant damage just outside the city limits?
...that the Lorain-Sandusky tornado was both the deadliest tornado and part of the deadliest tornado outbreak in Ohio history?
...that Cyclone Gamede in February 2007 was among the wettest tropical cyclones on record, dropping more than 5.5 m (18 ft) in a nine day period on Réunion island?
...that in Madagascar and Mozambique, Cyclone Jokwe killed 16 people, left at least 55400 homeless, and destroyed nearly 10000 houses?
...that following the Cambrian explosion, about 535 mya, there have been five mass extinctions?
... that geophysical methods have been used to look for the palace of Cleopatra?