Welcome to GeyserTimes

In eruption since 2011

Today's Eruptions

View as
Anemone-Big0731 ie wc, 0843 wc, 0920 wc, 1000 wc
Anemone-Little0731 ie wc, 1001 wc
Atomizer0757 min
Aurum0355 wc, 1124 ns wc
Beehive1309 wc
Beehive's Indicator1256 wc
Beehive's South Bubbler1256 ie wc
Bulger0653 ie wc maj, 0809 wc maj, 0941 ie wc maj, 1417 min
Castle1158 ie wc maj
Daisy0130 wc, 0336 wc, 0540 wc, 0743 wc, 0948 wc, 1338 ie, 1528 wc
Depression0908 ns wc, 1329 ie
Dome1115 wc ini, 1132 ie wc, 1147 ie wc, 1203 ns wc, 1218 wc, 1233 ns wc, 1250 ie wc, 1309 ns wc, 1324 ns wc, 1415 ns wc, 1434 wc, 1512 ie wc
Event Non-Geyser Related 1215-1340
Fungoid Spring 1222
Grand0232:54, 0822:22, 1357:11
Grotto 0100
Lion0033 wc, 0726 ie wc ini, 0839, 1539 ie
Little Cub0835 ie wc, 1004 ie wc, 1335 ie, 1430 ie wc, 1600 ie wc
Lone Star1132 min, 1214 maj
Marmot Cave0711 ie wc
Mugwump0852 wc, 0922 wc, 1028 wc, 1055 wc, 1114 wc, 1129 wc, 1455 wc,  1525,  1538, 1553
Old Faithful0026 wc long, 0156 wc long, 0337 wc long, 0511 wc short, 0619 ns wc long, 0801 wc short, 0902 wc long, 1040 wc short, 1152 wc long, 1335 wc long, 1459 wc long
Old Tardy0654 ns wc, 0821 ie wc, 1414
Riverside0200 ns wc, 0806, 1422 ie
Slurp1342 ie
Split Cone0756 wc
Sprinkler0528 wc, 0619 wc
Three Crater0544 wc, 0647 ie wc, 0844 ie wc, 0850 wc, 0921 ie wc, 1020 ie wc, 1054 ie wc, 1108 wc, 1126 ie wc, 1232 wc, 1347 ie wc, 1442 wc, 1448 wc, 1457 wc, 1519, 1532, 1546, 1559
UNNG-GHG-13 1115, 1601 wc
Values for Old Faithful Area2020-08-052020-08-06
Civil Twilight Begin05:4305:44
Civil Twilight End21:1521:13
Moon Illumination97.35%93.23%
Last Known Eruption
Old Faithful

1h 3m ago


2h 5m ago


4h 4m ago


1h 40m ago


34m ago

Great Fountain

1d 4h 35m ago


2h 53m ago


2d 6h 5m ago

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

GeyserTimes.org is not affiliated with the National Park Service, but it is "for the benefit and enjoyment of the people".

If you have any questions or comments please contact: support@geysertimes.org

Support open geyser data: Patreon Page

© Copyright 2011-2020

Facebook Page Telegram Channel Get it on Google Play Download on the App Store

Google Play and the Google Play logo are trademarks of Google LLC.

Apple and the Apple logo are trademarks of Apple Inc., registered in the U.S. and other countries. App Store is a service mark of Apple Inc., registered in the U.S. and other countries.