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In eruption since 2011
Values for Old Faithful Area2019-02-172019-02-18
Civil Twilight Begin06:4906:47
Sunrise07:1807:17
Sunset17:5517:57
Civil Twilight End18:2518:26
Moon Illumination91.72%97.16%
Last Known Eruption
Old Faithful

2h 34m ago

Grand

2h 46m ago

Castle

10h 20m ago

Riverside

7h 26m ago

Daisy

3h 41m ago

Great Fountain

9d 11h 41m ago

Beehive

1d 4h 31m ago

Steamboat

1d 1h 45m ago



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