Current Geyser Activity

Predictions

Geyser predictions are available from several sources:

 

Behavior

Geyser activity changes with time; the table below was compiled in November of 2015. Predicted geysers are marked with an asterisk (*).
Upper Geyser Basin
Location Average Interval Duration Height (ft/m)
Old Faithful* 94 or 64 min (+/- 10 minutes) 1.5-5 min 106-184'/30-55m
Artemisia Irregular (9-31 hours) 5-25 min 30'/9m
Aurum Irregular (4-22 hours) 70 sec 20'/6m
Baby Daisy 35-55 min 3 min 25'/8m
Beehive Irregular (intervals range from 22-36 hours to over two weeks) 5 min 150+'/45+m
"Boardwalk" Irregular 5-10 min 20'/6m
Castle* 13 hours 45 minutes (+/- 45 minutes)
2nd major after a minor: 14 hours 45 minutes (+/- 45 minutes)
15-20 min (frequent minor eruptions) 75'/24m
Daisy* 2 hours 45 minutes (+/- 30 min or longer if windy) 3.5 min 75'/24m
Depression Irregular (2.5 to 4+ hours) 6 min 10'/3m
Fan & Mortar Irregular. Summer 2013 intervals ranged from 3-6 days. Last eruption: 03/14. 35 min 100+'/30+m
Giant Last eruptions: 10/3/2008; 2/8-9/2009; 1/15-16/2010; 1/22/2010; 9/28/2015 - electronic 90+ minutes 200+'/60+
Giantess Last eruptions: 1/3/2011; 5/7-8/2011; 9/13/2011; 1/29/14 4-48 hours 150+'/45+m
Grand* 7 hours 15 minutes (+/- 75 minutes) 8-12 min 160+'/48+m
Lion Variable intervals between series; 60-90 minute intervals within a Lion series 6-7 min initial
3-5 min succeeding
60'/18m
30'/9m
Little Cub 30-45 minutes when regular 3-5 min 5'/1.5m
Oblong 3-7 hours 5-7 minutes 25'/8m
Plume Irregular. Dormant since 2012. 1 min 25'/8m
Riverside* 6 hours 20 min (+/- 30 min) 20 min 75'/24m
Lower Geyser Basin
Fountain 4.5-7 hours 25-50 min 50'/15m
Great Fountain* 10 hours 45 minutes (+/- 2 hours) 45-60 min 70-200+'/22-60+m
Norris Geyser Basin
Echinus Last eruptions: 6/18/12; 5/5/13; 7/3/15; 8/12/15; 8/19/15; 8/31/15 3-5 min 30+'/9+m
Steamboat Last eruptions 5/23/05; 7/31/13; 9/3/14 10+ min (water phase)
hours to days (steam phase)
300+'/90+m

 

More Information

Last updated: May 18, 2017

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Yellowstone National Park, WY 82190-0168

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