'Scuze me, but wouldn't this be a double interval... or am I misunderstanding? Scott In a message dated 5/22/2011 5:30:23 A.M. US Mountain Standard Time, lstephens2006 at hotmail.com writes: Atomizer major to major triple interval averaged just over 17 hours from Barbara's 14:09 eruption to a major eruption yesterday afternoon. -------------- next part -------------- An HTML attachment was scrubbed... URL: </geyser-list/attachments/20110522/712d04e8/attachment.html>