About: http://webisa.webdatacommons.org/29867387

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Katrina was a big problem over a small area, and people survived by moving short distances to areas that had services.A solar geomagnetic storm could be a smaller problem over a much larger area.
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org