Assertion: volcano's lava lake | /r/CapableOf | become inactive
Facets:
value: between 1992
type: TEMPORAL
value: between 1988
type: TEMPORAL
Source sentences:
text: New satellite data further narrow the window of uncertainty about when the N lava lake became inactive, and provide evidence of the continuity of activity at the S lava lake.
text: Lava lakes have been present since 1967, and possibly 1906, although the N lava lake became inactive between 1988 and 1992.