Today's Eruptions

View as
Geyser2021-09-21
Grand0036 wc
Lion0059 ie wc
Values for Old Faithful Area2021-09-212021-09-22
Civil Twilight Begin06:4006:42
Sunrise07:0907:11
Sunset19:2219:20
Civil Twilight End19:5119:49
Moon Illumination99.93%98.37%
Last Known Eruption
Old Faithful

9h 32m ago

Grand

4h 27m ago

Castle

7h 13m ago

Riverside

7h 43m ago

Daisy

12h 27m ago

Great Fountain

21h 3m ago

Beehive

1d 11h 4m ago

Steamboat

9d 22h 24m ago