Today's Eruptions

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Geyser2025-04-05
No reports yet
Values for Old Faithful Area2025-04-052025-04-06
Civil Twilight Begin06:2606:24
Sunrise06:5506:53
Sunset19:5519:57
Civil Twilight End20:2520:26
Moon Illumination51.58%62.02%
Last Known Eruption
Old Faithful

8h 49m ago

Grand

2h 14m ago

Castle

10h 14m ago

Riverside

1h 3m ago

Daisy

5h 57m ago

Great Fountain

35d 15h 10m ago

Beehive

10h 48m ago

Steamboat

60d 0m ago