Today's Eruptions

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Geyser2024-05-18
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Values for Old Faithful Area2024-05-182024-05-19
Civil Twilight Begin05:1705:16
Sunrise05:5105:50
Sunset20:4720:48
Civil Twilight End21:2221:23
Moon Illumination74.94%82.7%
Last Known Eruption
Old Faithful

1y 32d 12h 32m ago

Grand

292d 11h 25m ago

Castle

1y 314d 12m ago

Riverside

1y 314d 2h 9m ago

Daisy

1y 314d 2h 9m ago

Great Fountain

1y 314d 7h 15m ago

Beehive

1y 274d 17h 42m ago

Steamboat

1y 332d 8h 37m ago