Assertion: volcano's vent | /r/HasAspect | violent and loud eruptions
Facets:
value: at shorter intervals
type: TEMPORAL
value: very
type: DEGREE
Source sentences:
text: "Crater 2 was inactive and not visible, but vent 4 at the SW end of Crater 1 had very violent and loud eruptions every 20-30 minutes, sometimes at shorter intervals.