Assertion: geyser's eruption | /r/HasProperty | rare
Facets:
value: very
type: DEGREE
value: until 1959
type: TEMPORAL
Source sentences:
text: Eruptions of West Geyser are extremely rare.
text: Major eruptions are rare and unpredictable, but when they do occur they can last up to an hour with water shooting up to 30 feet.
text: However, eruptions of Porcupine Hill Geyser are very rare.
text: Eruptions of Dragon Geyser are extremely rare.
text: Eruptions were rare until 1959, when the 1959 Hebgen Lake earthquake (just outside the park) caused significant changes in the activity in the Fountain Paint Pots group of springs.
text: Eruptions of Dilemma Geyser are rare.
text: Puff-n-Stuff Geyser constantly emits a mixture of steam and fine spray, whereas real "water-phase" eruptions are very rare.
text: But eruptions are very rare and last seen in 2006.