About: http://webisa.webdatacommons.org/6012791

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	On average, there is a major one every 600,000 years, and a minor one every 125,000 years.
http://www.w3.org/ns/prov#wasQuotedFrom	politicalforum.com