[Geysers] River Group

jacross jacross at lamar.colostate.edu
Mon Jul 31 23:01:08 PDT 2006


In the River Group on 22 July, we saw a series of eruptions coming every 19-22 
minutes from the blue pool between Armored Spring and Brain Geyser (Brain 
Geyser was dormant).  Durations were brief.  Maximum height was 8 feet.  Each 
eruption sent a heavy flow of water over the platform and into the river.

By contrast, the area on the flat above Fortress Geyser is much less active 
than several years ago.  Only one active geyser, just south of the largest 
pool, was active.  Other geysers further north, including Thermopod Geyser and 
The Screaming Alien were dormant.

Jeff Cross
jacross at lamar.colostate.edu





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