Today's Eruptions

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Geyser2022-01-17
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Values for Old Faithful Area2022-01-172022-01-18
Civil Twilight Begin07:2207:22
Sunrise07:5407:54
Sunset17:1217:13
Civil Twilight End17:4417:45
Moon Illumination99.54%99.91%
Last Known Eruption
Grand

4h 13m ago

Castle

9h 39m ago

Riverside

2h 43m ago

Daisy

38m ago

Great Fountain

7d 7h 15m ago

Beehive

11h 58m ago

Steamboat

31d 23h 29m ago