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In eruption since 2011
Values for Old Faithful Area2017-09-222017-09-23
Civil Twilight Begin06:4306:44
Sunrise07:1107:13
Sunset19:1919:17
Civil Twilight End19:4819:46
Moon Illumination4.55%9.69%
Last Known Eruption
Castle

12h 28m ago

Grand

48m ago

Daisy

46m ago

Riverside

3h 3m ago

Great Fountain

10h 52m ago

Beehive

51m ago



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