Natural Disaster Links
  https://www.youtube.com/watch?v=-jB6G08Qgmg
Videos

Miscellaneous
Life expectancy versus wealth over 200 years
Walking Statues of Easter Island
NASA simulation of Late Bombardment of Moon
Formation of the Moon
Arctic Sea Ice 1979 to 2012

Earthquakes
Expected Magnitude 9 Earthquake in United States Northwest (e.g. Seattle)
Borah Peak Idaho Earthquake 1983
Haiti Earthquake Pancaked building 2010
Underground nuclear blast creates an Earthquake and aftershocks
1989 Loma Prieta earthquake
Deadliest Earthquakes NOVA

Volcanoes
Unzen Pyroclastic flow
Mount Merapi Java Indonesia 2010
Mount Ruepehu, New Zealand 2007 Lahar
Mount Ruepehu, New Zealand 2007 Lahar
Soufriere Hills Volcano Montserrat Nov. 2, 2010
Iceland Volcano 2010
Mount Etna Sicily 2009
Geoff Mackley descends into an Active Volcano (probably Mount Ruapehu in New Zealand)
Aftermath of Pinatubo at Subic Bay Phillipines June 1991
Arenal Volcano Costa Rica
Mount Ruapedu New Zealand March 2007 Lahar

Tsunami
Indonesian Tsunami 2004
Japan Tsunami 2011
Tsunami Simulation
Tsunami Simulation 2
Capillary Waves
Capillary Waves up close

Weather
Moore Oklahoma Tornado GOES Image May 20, 2013
Oklahoma's Deadliest Tornadoes NOVA
Haboob Lubbock TX Oct 17, 2011
Auroras over Finland 2011
Auroras over Michigan October 24, 2011

Floods
Pedernales at Flood Stage from Tropical Storm Hermine
Perdernales River before Flood Stage
Pedernales River at Flood Stage
Miscellaneous flood in arid environments
Simuation of Car in Flash Flood
David Rankin takes video of Utah Flash Flood 2013

Fire
Aircraft dropping fire retardant. Bear Divide Hotshots (an elite fire fighting group in S. CA) 2006
Cascade Complex Bosie National Forest Idaho 2007
High-intensity crown fire by the International Crown Fire Modeling Experiments in the Northwest Territories Canada. (2000)
Cajon Pass, California June 2002: San Bernardino firefighters scramble to escape.
San Dimas Canyon Los Angeles County goes up in a firestorm as firefighters pull out.
Bastrop Texas Fire Sept 4, 2011 seen from highway 71
Texas wildfires 2011

Mass Movement
Half Dome Yosemite California May 27, 2011 Rock Fall
Miscellaneous snow avalanches from around the world
Sinkhole at Daisetta Texas 2011
Sinkhole near Transcanada highway (road to Vancouver Island)