| Comments: | Unnamed geyser between Sponge Geyser & Marmot Cave Geyser. ~47.5 meters WSW of Sponge Geyser & ~26.5 meters NNE of Marmot Cave Geyser. The vent is centered at 44° 27' 48.67" North latitude, 110° 49' 49.33" West longitude. In eruption at 1943 - abruptly stopped at latest 1943. Brief low eruption at 1949. Eruption from 1955 (ns?) to 1957. Spit at 1959. Spitting at 2001. Brief low eruption at 2004. Spit at 2005. Brief low eruptions at 2006 and late 2006-2007. Spitting at 2007. Brief low eruption at 2009 (ns?). Eruption from 2012 to 2014 ("major" - longer duration & greater energy, but still fairly low, 'cuz it's a small feature). Low spitting at 2016, 2017, 2022. Brief low eruption at 2023. Low spitting at 2024. In eruption (ns?) at 2026 ("major"), then done. See video compilation: https://www.youtube.com/watch?v=8G9LDI98c5I |