O'Donoghue's Merrion Row Dublin
Copyright: www.flickr.com/photos/dolanp
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O'Donoghue's Merrion Row Dublin
Copyright: www.flickr.com/photos/dolanp
Shelbourne v Galway United
James Norris Shelbourne"
Copyright: www.flickr.com/photos/dolanp
(photo by Jacob Frank; public domain image provided by the American National Park Service)
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The Reservoir is the largest body of water in the One Hundred Spring Plain of Yellowstone's Norris Geyser Basin. It is a roughly pear-shaped thermal lake that is 120 meters long and varies from 16 to 60 meters wide. It receives water from Tantalus Creek (= left side of photo) that drains from the Norris Back Basin and the Norris Porcelain Basin, both of which have abundant acidic geysers and hot springs. A water sample from The Reservoir taken by the United States Geological Survey in 1998 had a pH of 3.0 and a temperature of 33° Celsius. Water leaves from the northern end of The Reservoir (= right side of the lake in the photo) as a continuation of Tantalus Creek, which heads north and then westward toward the Gibbon River. Convection cells are sometimes visible in The Reservoir.
The smaller, pale blue hot spring behind and to the right of The Reservoir's right side in this photo is Cinder Pool, the most famous, most important, and most unique hot spring in One Hundred Spring Plain (see: www.flickr.com/photos/jsjgeology/albums/72157673378166707/ ).
Cinder Pool has slightly bluish milky water and used to have a floating mass of numerous black "cinders" that usually covered a significant portion of the pool. Research probes that have descended into Cinder Pool found molten sulfur at depth. Small blebs of this molten sulfur rise to the surface and quickly chill to form vesiculated glassy cinders. The black coloration of each cinder is due to pyrite impurity. Cinders can also be golden-brown or dark green. Cinders vary in shape and size from ~spherical, granule-sized grains to irregularly shaped, pebble-sized masses.
Eruptions of Cinder Pool are rare, but 4 to 5 seconds worth of Crested Pool-type roiling (Crested Pool is in the Upper Geyser Basin's Castle Group) can clear Cinder Pool of all its cinders, which become incorporated into the surrounding geyserite / siliceous sinter sediments.
Some time between July 2017 and November 2021, Cinder Pool ceased having floating cinders.
This is a discharge graph for Tantalus Creek at Norris Geyser Basin in Yellowstone, Wyoming. The highest, sharp-pointed spike near the top-center is an increase in stream water volume from a Steamboat Geyser major eruption. The eruption started at 11:05 AM, local time, on 14 April 2025. Reported lag times between Steamboat eruptions and discharge spikes at the Tantalus Creek recording station range from less than an hour to about 1.5 hours.
Steamboat is the world's tallest geyser - the highest water reaches over 400 feet above the vent area. Its eruptions are normally unpredictable - it can go years or even decades without erupting. Steamboat entered an exciting active phase in spring 2018. It had 80 major eruptions from then to the end of 2019. 48 eruptions occurred in 2020. Twenty eruptions occurred in 2021. Eleven eruptions occurred in 2022. Nine eruptions supposedly occurred in 2023, but an uncertain number of eruptions were in the early months of 2023, due to the failure of electronic monitoring equipment. Some electronic data was apparently obtained, but they have not been made public yet, as far as I know. Six eruptions occurred in 2024. This is the second major eruption of 2025. Since the last major eruption, about 69.4 days have elapsed. The previous interval (= eruption start to eruption start) was ~72.3 days.
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Photo album of Steamboat's 4 June 2018 eruption:
www.flickr.com/photos/jsjgeology/albums/72157670618318878
Video of Steamboat's 4 June 2018 eruption:
www.youtube.com/watch?v=yZoDFbO84OE#t=5m27s
This seismogram is from the Norris Museum seismic station in Yellowstone, Wyoming. The increase in noise is a major eruption of Steamboat Geyser. The eruption started at 11:05 AM, local time, on 14 April 2025.
Steamboat is the world's tallest geyser - the highest water reaches over 400 feet above the vent area. Its eruptions are normally unpredictable - it can go years or even decades without erupting. Steamboat entered an exciting active phase in spring 2018. It had 80 major eruptions from then to the end of 2019. 48 eruptions occurred in 2020. Twenty eruptions occurred in 2021. Eleven eruptions occurred in 2022. Nine eruptions supposedly occurred in 2023, but an uncertain number of eruptions were in the early months of 2023, due to the failure of electronic monitoring equipment. Some electronic data was apparently obtained, but they have not been made public yet, as far as I know. Six eruptions occurred in 2024. This is the second major eruption of 2025. Since the last major eruption, about 69.4 days have elapsed. The previous interval (= eruption start to eruption start) was ~72.3 days.
---------------------------------
Photo album of Steamboat's 4 June 2018 eruption:
www.flickr.com/photos/jsjgeology/albums/72157670618318878
Video of Steamboat's 4 June 2018 eruption:
www.youtube.com/watch?v=yZoDFbO84OE#t=5m27s
This seismogram is from the Norris Museum seismic station in Yellowstone, Wyoming. The increase in noise in the upper part of the graph is a major eruption of Steamboat Geyser. The eruption started at 11:05 AM, local time, on 14 April 2025.
Steamboat is the world's tallest geyser - the highest water reaches over 400 feet above the vent area. Its eruptions are normally unpredictable - it can go years or even decades without erupting. Steamboat entered an exciting active phase in spring 2018. It had 80 major eruptions from then to the end of 2019. 48 eruptions occurred in 2020. Twenty eruptions occurred in 2021. Eleven eruptions occurred in 2022. Nine eruptions supposedly occurred in 2023, but an uncertain number of eruptions were in the early months of 2023, due to the failure of electronic monitoring equipment. Some electronic data was apparently obtained, but they have not been made public yet, as far as I know. Six eruptions occurred in 2024. This is the second major eruption of 2025. Since the last major eruption, about 69.4 days have elapsed. The previous interval (= eruption start to eruption start) was ~72.3 days.
---------------------------------
Photo album of Steamboat's 4 June 2018 eruption:
www.flickr.com/photos/jsjgeology/albums/72157670618318878
Video of Steamboat's 4 June 2018 eruption:
www.youtube.com/watch?v=yZoDFbO84OE#t=5m27s