<html> <head> <style> P { margin:0px; padding:0px } body { FONT-SIZE: 10pt; FONT-FAMILY:Tahoma } </style> </head> <body> <BLOCKQUOTE><FONT id=EC_role_document face=Arial color=#000000> <DIV> </DIV> <DIV><FONT size=3>>GIANT May 19, 2007 @1209, interval exactly 5d 00h 00m, duration somewhat short @86 minutes.</FONT></DIV> <DIV><FONT size=3>>Open question: is this sort of duration typical of a Mastiff function eruption?</FONT></DIV> <DIV><FONT size=3></FONT> </DIV> <DIV><FONT size=3>Interesting question.  This answer comes with the understanding that different observers may call the end of the eruption differently, but based on my experience, these numbers are pretty consistent; 8 of these durations are my own.</FONT></DIV> <DIV><FONT size=3></FONT> </DIV> <DIV><FONT size=3>Based on the data I have for 2006, eruptions of Giant that were not preceded by Mastiff tended to have longer durations than those that were.  I have duration data for 18 of the 26 eruptions witnessed between April 23 and November 26.  Here's the break-down (all durations in minutes):</FONT></DIV> <DIV><FONT size=3></FONT> </DIV> <DIV><FONT size=3>With Mastiff (11):  70, 85, 85, 86, 90, 94, 95, 96, 96, 97, 97, average 90.1</FONT></DIV> <DIV><FONT size=3></FONT> </DIV> <DIV><FONT size=3>Without Mastiff (7):  91, 95, 100, 101, 101, 102, 104, average 99.1</FONT></DIV> <DIV><FONT size=3></FONT> </DIV> <DIV><FONT size=3>This represents a noticeable difference of 9 minutes on average.</FONT></DIV> <DIV><FONT size=3></FONT> </DIV> <DIV><FONT size=3>There was a bit of a tendency (based on an admittedly small amount of data) for the shortest durations to follow the shortest intervals.  The shortest 3 durations for eruptions with Mastiff and the shortest 2 for eruptions without all occurred after intervals of 6 days or less.</FONT></DIV> <DIV><FONT size=3></FONT> </DIV> <DIV><FONT size=3>If anyone would like more specific information, or would like to report the durations for some of the eruptions I'm missing (5/31, 8/5, 9/22, 10/22, 10/27), please contact me.</FONT></DIV> <DIV><FONT size=3></FONT> </DIV> <DIV><FONT size=3>Thanks again to Scott for the reports!</FONT></DIV> <DIV><FONT size=3></FONT> </DIV> <DIV><FONT size=3>- Tara Cross</FONT></DIV> <DIV><FONT size=3><A href="mailto:fanandmortar@hotmail.com">fanandmortar@hotmail.com</A></FONT></DIV></FONT></BLOCKQUOTE><br /><hr />Add some color. Personalize your inbox with your favorite colors. <a href='www.windowslive-hotmail.com/learnmore/personalize.html?locale=en-us&ocid=RMT_TAGLM_HMWL_reten_addcolor_0507' target='_new'>Try it!</a></body> </html>