PSN-L Email List Message

Subject: Re: Microseisms from hurricane Dennis
From: "Charlie Rond" rond@................
Date: Tue, 31 Aug 1999 01:34:45 -0500


Bob,


>For the past 2 days, I have been observing microseisms gradually increasing
>in amplitude as hurricane Dennis moves northward along the Atlantic coast.
>Periods are in the 4 to 6 second range.  The amplitude was so great this
>morning that I had to increase the alarm threshold to keep from recording
>unwanted files.
>
>I would be interested in hearing from others who are, or who are not,
>receiving these microseisms and how far westward they can be detected.


The same thing has been happening here in Memphis, TN.  I was so fascinated
watching them, I didn't think to change the threshold.  This evening while I
was gone, the program screeched to a halt as the hard drive filled up with
"events"!  They are the largest microseism I've ever recorded!




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Larry Cochrane <cochrane@..............>