Today's Eruptions

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Geyser2025-07-05
No reports yet
Values for Old Faithful Area2025-07-052025-07-06
Civil Twilight Begin05:0905:10
Sunrise05:4505:46
Sunset21:1021:10
Civil Twilight End21:4621:46
Moon Illumination72.4%80.45%
Last Known Eruption
Old Faithful

303d 3h 9m ago

Grand

1y 341d 6h 28m ago

Castle

2y 362d 19h 15m ago

Riverside

2y 362d 21h 12m ago

Daisy

2y 362d 21h 12m ago

Great Fountain

2y 363d 2h 18m ago

Beehive

1y 6d 6h 37m ago

Steamboat

3y 16d 3h 40m ago