Assertion: volcano's crater | /r/MadeOf | active lava lake
Facets:
value: between 2008
type: TEMPORAL
value: between 2018
type: TEMPORAL
Source sentences:
text: The crater again contained an active lava lake between 2008 and 2018, with the level of the lava usually fluctuating between 20 and 150 meters below Halemaʻumaʻu's crater floor, though at times the lava lake rose high enough to spill onto crater floor.