[meteorite-list] Torino Scale

From: Walter Branch <branchw_at_meteoritecentral.com>
Date: Thu Apr 22 10:00:10 2004
Message-ID: <009c01c2341e$74c92e00$6701a8c0_at_cc516468a>

Bernd,

>House-sized chunks of rock would be
>tossed hundreds of miles and our atmosphere would be >saturated with dust
for years.

This would be bad...

Thanks for all the information.

-Walter

-----------------------------------------------
Walter Branch, Ph.D.
Branch Meteorites
322 Stephenson Ave., Suite B
Savannah, GA 31405 USA
www.branchmeteorites.com
----- Original Message -----
From: "Bernd Pauli HD" <bernd.pauli_at_lehrer.uni-karlsruhe.de>
To: "meteorite-list" <meteorite-list_at_meteoritecentral.com>
Sent: Thursday, July 25, 2002 2:45 PM
Subject: [meteorite-list] Torino Scale


> Walter wrote:
>
> > how large does an object have to be for it not to vaporize
> > completely upon plunging through Earth's atmosphere, i.e.,
> > for there to be anything sizeable left to cause wide destruction
> > once it hits the ground (or water)?
>
> Hello Again,
>
> According to G. Verschuur, the consequences may be something like:
>
> Very Large (>10 km) - Global - Mass extinctions
> Large (2-10 km) - Global - Some extinctions
> Medium (0.2-2 km) - Regional - Threat to civilisation
> Small (30-200 m) - Local - Severe
> Very Small (10-30 m) - Local - Minor
>
> If a really big one hit the Earth, as big as the the impactor that
> killed the dinosaurs (10-15 km), its destructive force and the conse-
> quences would be horrifying. It would hit us with the force of about
> 100 million megatons of TNT - this is more than 10,000 times the entire
> arsenal of nuclear weapons. If it plunged into an ocean, there would be
> tsunamis hundreds of feet high. House-sized chunks of rock would be
> tossed hundreds of miles and our atmosphere would be saturated with
> dust for years.
>
>
> Best regards,
>
> Bernd
>
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Received on Thu 25 Jul 2002 05:01:31 PM PDT