<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Thank you ever so much, Mary Beth. I appreciate that you are sharing your extensive knowledge about Grand!<div>This is really interesting and makes it is worthwhile to stick around a while after Grand has erupted. </div><div>Pat Snyder</div><div><br></div><div><br></div><div><br><div><div>On May 19, 2012, at 8:27 PM, Mary Beth Schwarz wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"> The afterplay splashing always occurs after Grand erupts whether Turban & Vent Continue or Quit. If T&V have to restart, the afterplay from Grand's empty crater starts quickly after the restart. If T&V Continue after Grand, the afterplay usually begins at about 14-15 minutes after the end of Grand, but if the afterplay begins sooner (about 3-8 minutes or so) then the splashing may be taller and there could be a chance for an Afterburst - a full-sized approx 100 foot or more burst. The Afterbursts are almost always after an eruption of Grand with 2 or more bursts where Turban and Vent Continue and the afterplay splashes begin quicker than normal.<br>
<br> There has been only one observed eruption of Grand that was a single burst that had an Afterburst on 31 July 2009 at 1458(T1+1C). It had a long try at a second burst, but the pool suddenly drained, so we were quite disappointed. T&V Continued and very soon we had huge afterplay that built quickly into an Afterburst. It was an unusual situation so we had an unusual Afterburst. There was a bit of screaming for that one!<br>
<br> After an Afterburst it is good to keep watching the afterplay in case there are more Afterbursts. I believe that the last multiple Afterbursts were in the 1980s but I would have to look that up in some old notes to be certain (or check with the Strassers).<br>
<br> Grand and its group can do many interesting things, so it is always fun to watch. The data I have collected about Grand is from 1991 to the present, so that is the basis for my answer to Pat's question.<br><br>
Mary Beth Schwarz<br><br><div class="gmail_quote">On Sat, May 19, 2012 at 11:52 AM, Pat Snyder <span dir="ltr"><<a href="mailto:riozafiro@gmail.com" target="_blank">riozafiro@gmail.com</a>></span> wrote:<br></div><br><div style="" id="avg_ls_inline_popup"></div>
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