Re: Equivalent Asteroid size for generating Tsunami?

From: RichA (none_at_none.com)
Date: 12/29/04 

Date: Wed, 29 Dec 2004 15:19:53 -0500

On Wed, 29 Dec 2004 19:30:48 GMT, "Al Alkoloid" <xxx@yyy.mmm> wrote:

>
>"Tom Luton" <tlutonspam@rogers.com> wrote in message
>news:J7-dnc8aZ8raWE_cRVn-vw@rogers.com...
>> Hey all
>>
>> If the Tsunami in the Indian Ocean had been caused by an asteroid
>impacting
>> instead of an undersea quake, how big would the asteroid have been?
>
>Not as large as you'd think, maybe 200 feet or so in diameter. Of course, I
>am probably off on this and there is a way to calculate it so I'm hoping
>someone will chime in. What I think about are the half mile across ones or
>larger. What exactly would they do? Tsunamis maybe 500+ feet high. One
>can only image the disaster from such an impact.
>
>Al
 
According to one source, the 1958 quake in Alaska produced a first
wave 1700 feet high.
-Rich

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