[meteorite-list] FW: Seismic Data search for 6JUL09 meteor

Fries, Marc D marc.d.fries at jpl.nasa.gov
Wed Jul 8 11:24:05 EDT 2009


So we¹ve got folks looking over the seismic data, an astronomer¹s take on
the still photo, a nice .kmz by Elton...  This is turning into a real ³stone
soup² fireball event.   I¹m diggin¹ it.

Cheers,
Marc Fries


On 7/9/09 11:08 AM, "Kelly Beatty" <jkellybeatty at comcast.net> wrote:

> folks...
> 
> my take: this putative fall is unlikely to generate a seismic signal if
> pieces hit the ground at terminal free-fall velocity (several hundred mph
> for really large chunks, much less for smaller ones).
> 
> meanwhile, I've analyzed Mike Hankey's photo. assuming the bolide was 1:10
> am local time and "falling from the sky", as reports indicate, then the
> meteor segment in the image he took was centered at AZ 73°, AL 63½°, and had
> a bearing toward the east-northeast horizon.
> 
> 
> clear skies,
> Kelly
> 
> ****************
> J. Kelly Beatty
> Senior Contributing Editor
> SKY & TELESCOPE
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