About: http://webisa.webdatacommons.org/262823394

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	When excluding catastrophic events such as tornadoes and earthquakes, the risk drops below 0.008 percent, Nature reports.The previous risk assessment in 2010 estimated the risk of such an event was 70 percent.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com