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In eruption since 2011
Values for Old Faithful Area2018-01-202018-01-21
Civil Twilight Begin07:2007:19
Sunrise07:5207:51
Sunset17:1717:18
Civil Twilight End17:4817:50
Moon Illumination9.2%15.71%
Last Known Eruption
Castle

9h 37m ago

Grand

5h 24m ago

Daisy

33m ago

Riverside

3h 23m ago

Great Fountain

70d 6h 6m ago

Beehive

11h 15m ago



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