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In eruption since 2011

Today's Eruptions

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Geyser2018-10-16
No reports yet
Values for Old Faithful Area2018-10-162018-10-17
Civil Twilight Begin07:1107:12
Sunrise07:4107:42
Sunset18:3618:34
Civil Twilight End19:0519:03
Moon Illumination45.23%54.69%
Last Known Eruption
Old Faithful

36d 11h 17m ago

Grand

36d 12h 55m ago

Castle

36d 20h 3m ago

Riverside

36d 16h 38m ago

Daisy

36d 11h 39m ago

Great Fountain

36d 13h 12m ago

Beehive

36d 23h 47m ago

Steamboat

38d 18h 37m ago



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