Assertion: volcano | /r/CapableOf | have erupted on the earth's surface
Facets:
value: since historic times
type: TEMPORAL
Source sentences:
text: More than 500 volcanoes are known to have erupted on the earth's surface since historic times, and many more have erupted on the ocean floor unobserved by humans.
text: More than 500 volcanoes are known to have erupted on the earth's surface since historic times, and many more have erupted on the ocean floor unobserved by humans.