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In eruption since 2011

Today's Eruptions

View as
Anemone-Big0708 wc, 0718 wc, 0931 ie wc, 1001 wc, 1052 wc, 1112 wc, 1122 wc, 1137 wc, 1345 wc
Anemone-Little0702 wc
Artemisia1825 ie wc
Aurum1005 wc, 1520 wc, 1928 ie wc
Bulger0607 ie wc, 0713 ie wc maj, 1020 ie wc, 1337 ie, 1457 ie wc, 1516 wc min, 1525 wc min, 1606 wc min, 1616 wc min, 1628 wc min, 1649 wc min, 1659 wc min, 1749 ie wc maj, 1821 wc min, 1920 wc min, 1953 wc min
Castle0406 E maj, 1826 wc maj
Daisy0544 wc, 0751 wc, 0953 wc, 1155 wc, 1356 wc, 1556, 1757 wc
Depression0646 wc
Grand0310 E, 0918 ie wc, 1556 wc
Grotto0547 ie wc, 1414 ie
Lion0623 wc ini, 0748 ie wc, 0907 wc, 1113 wc
Little Cub0625 wc, 0656 ie wc, 0724 ns wc, 0819 wc, 0848 ie wc
Marmot Cave0659 ie wc, 1027 ie wc
Old Faithful0607 wc long,  0612, 0745 wc long, 0926 wc long, 1100 wc long, 1247 wc long, 1404 ns wc, 1546 wc long, 1715 wc long, 1854 wc long
Old Tardy1024 ie wc, 1659 wc
Percolator1341 ie
Rift1341 ie
Riverside0606 ns wc, 1154 ie wc
Rocket1621 wc maj
Split Cone0635 ns wc, 0754 ns wc, 0915 ie wc
Sprinkler1624 ie wc, 1649 ie wc, 1744 ie wc, 1811 ie wc, 1905 ie wc, 1927 ie wc
Steamboat 1759
Three Crater1028 ie wc
Values for Old Faithful Area2020-05-272020-05-28
Civil Twilight Begin05:0805:08
Civil Twilight End21:3221:33
Moon Illumination20.27%29.63%
Last Known Eruption
Old Faithful

1h 12m ago


4h 10m ago


1h 40m ago


8h 12m ago


2h 9m ago

Great Fountain

1d 5h 4m ago


1d 2h 32m ago


4d 4h 59m ago

All data is shown in US/Mountain timezone unless specified otherwise.

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