Thanks Lynn for all the historic background for eruptions of Morning! Mary Beth Schwarz On Wed, Jun 20, 2012 at 5:55 PM, Lynn Stephens <lstephens2006 at hotmail.com>wrote: > Here's what Rick wrote in his 1973 report about the activity of Morning > Geyser: > > > Morning Geyser > > After rejuvenating on May 24th from more than 13 years of > inactivity Morning Geyser performed spectacular fountain eruptions for > seven weeks before slipping back into dormancy. The two eruptions > observed on Mary 24th and Dr. John Rinehart and Sub District Naturalist > Robert Woody were the first known since September, 1959. In June a total > of 14 more were logged but it is quite certain that many more were missed. > Only 3 intervals were timed and averaged out to approximately 8 hours 6 > minutes. Also only 3 durations were able to be timed out at 10, 11, and > 16 minutes in June and one at 9 minutes in July. During the latter part > of July when dormancy returned, both Morning and Fountain Geysers almost > completely refilled with relatively quiet clear water and occasional small > overflow down the terrace to the north. A cooling of the two pools was > soon noted by a return of darker algae in the bottom of Fountain. > > Most of Morning’s eruptions were preceded, sometimes for > several hours, by heavy runoff into Fountain and intemittant [sic] > splashing over the vent in the pool from ½ up to 4 feet. The style of > play was reminiscent of the photographs of Excelcior [sic] and Sapphire > Geyser with their massive fountain upheavals. Estimated heights ranged > from 50 feet on up to well in excess of 120 feet. Thirteen years of > inactivity produced alot [sic] of weathered sinter and trash from > thoughtless visitors but the major eruptions washed much of it away. I > had the good fortune to observe the start of one powerful display from more > than a quarter of a mile away in the direction of Kaleidoscope Geyser. After > running the whole distance to Morning Geyser, a point near it was reached > while it was still playing. Standing at around 75 feet from the edge of > the geyser’s pool I found it impossible to go any closer as I was then > standing in uncomfortably hot water up to my ankles that was a part of a > virtual flood. Such runoff flowing to the north eroded down as much as 3 > to 4 inches in the sinter terraces. > > Morning’s behavior this summer was completely different from > what was recorded in its pre 1959 quake state. It did not show a > preference for erupting in the morning hours, there were no chain reaction > sequences with Fountain, Clepsydra, or Spasm Geysers; its durations were no > where near 45-60 minutes, and preliminary splashing warned of a possible > eruption while before, only a brief rise in water level and rate of > overflow was indicative. > > > > Lynn Stephens > > **** ** > > > _______________________________________________ > Geysers mailing list > Geysers at lists.wallawalla.edu > > -------------- next part -------------- An HTML attachment was scrubbed... URL: </geyser-list/attachments/20120620/01f45b48/attachment.html>