[Geysers] Grotto Fountain is active

[David Schwarz]

   I just took a quick look at the Grotto data that Ralph uploaded.  It may
be a coincidence, but Grotto seems to have had no real long-mode eruptions
between July 6 and August 3, and only one eruption in that period that was
substantially longer than the usual short-mode duration.  That's a pretty
striking change--literally one marathon in the last month--and it overlaps
with the period during which Grotto Fountain wasn't observed.

   Looking at the year-to-date data, it looks like there's an ongoing major
decrease in the frequency of marathons, especially intermediate-length
marathons, that started shortly before Giant went dormant.

David
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