Assertion: volcano | /r/CapableOf | erupt an average of every 600 years
Facets:
value: in the past 4,500 years
type: TEMPORAL
Source sentences:
text: During the last 10,000 years, Mount Shasta has erupted an average of every 800 years, but in the past 4,500 years the volcano has erupted an average of every 600 years.