These pages do not begin to cover all the disasters that have taken place in every state. There is also controversy over what constitutes and defines a "great" disaster from any other kind. All disasters are "great" to those directly involved in them.
So these pages are a mix of "great" and "not so great" disasters. The major disasters are all covered in the larger sites I have linked to as resources and the rest are related items of interest.
For example, you might not find a particular major disaster on this list, but it may be included in a site such as gendisasters.com, which is one of the resources found here.
This is an excellent place to begin your research. The links found here lead to an ever widening amount of information. Good luck in your efforts.
1997 Red River Flood __ "The Red River Flood of 1997 was a major flood that occurred in April and May 1997, along the Red River of the North in North Dakota, Minnesota, and Southern Manitoba. It was the most severe flood of the river since 1826." An encyclopedic article. - illustrated - From
wikipedia - http://en.wikipedia.org/wiki/1997_Red_River_Flood
FEMA: North Dakota State Disaster History __ North Dakota Disaster History. Major Disaster Declarations. Click on the 'disaster #' on the right side of the list to access detailed information including images and more. - illustrated - From FEMA - http://www.fema.gov/news/disasters_state.fema?id=38
Fargo, ND Tornado, Jun 1957 __ "A giant tornado, striking from a lethal cloud tower more than 10 miles
high, smashed through 100 blocks of a Fargo residential area Thursday night, bringing death to ten persons, six of them the children of one family." Original news articles with links to more resources. - From gendisasters.com - http://www3.gendisasters.com/north-dakota/820/fargo,-nd-tornado,-jun-1957
Grand Forks, ND Train Accident, Feb 1906 __ "a switch foreman in the Great Northern yards, was painfully injured yesterday morning at the Diamond mill. The crew was switching at the mill and in some manner Walseth was caught between a boxcar and the engine house, and terribly bruised."
Original news article and links to more resources. - From gendisasters.com - http://www.gendisasters.com/data1/nd/trains/grandforks-trainaccfeb1906.htm
Minot Train Derailment __ "The Minot Train Derailment occurred in Minot, North Dakota on 18 January 2002. At approximately 2:30 a.m. local time, a Canadian
Pacific train derailed about 4 miles west of the city center, in a development called Terracita Vallejo. Tanker cars carrying anhydrous ammonia ruptured, spewing out a cloud of caustic, poisonous gas over the city." an encyclopedic article. - From wikipedia - http://en.wikipedia.org/wiki/Minot_Train_Derailment
North Dakota Disasters Floods, Fires, Tornadoes, Mine Explosions ... __ "North Dakota Disasters. Events that touched our ancestor's lives: North Dakota floods, fires, tornadoes, hurricanes, storms, mining accidents, explosions, ..." Many click to read articles and resources. - illustrated - From
gendisasters.com - http://www.gendisasters.com/nd/
The North Dakota tornadoes of July 18, 2004 __ "A family of tornadic supercells formed east of Grand Forks, ND during the late afternoon and evening of July 18, 2004. The RADAR and satellite images, surface and upper air plots, and links to pictures of this storm are on this page." - illustrated -
From umanitoba.ca - http://umanitoba.ca/environment/envirogeog/weather/ndtornadoes04.html
Photographs of Red River Floods near Fargo, North Dakota: 1897 - 1996 __ Annotated click-to-enlarge galleries of flood pictures from many floods and many years. - illustrated - From ndsu.edu - http://www.ndsu.edu/fargo_geology/fldphotos1897-1996.htm