You are still set for personal reply only, David. I’m CCing the list.

I am not the worst here about veering off topic! And I didn’t bring up the shuttle first, and the subject line IS the topic… man made sounds of war. What’s your beef?

Well, then, we can debate whether subsonics are sound or vibration then… when cracks appear in the earth and houses fall down, that must be pretty loud! :-)
<L>
On Mar 16, 2015, at 2:12 PM, DAVID BURNHAM <[log in to unmask]> wrote:

> Here's the original question:
> 
>> This brings up a question for the house -- what is the loudest naturally
>> occuring sound as far as SPL's -- a massive earthquake, a massive
>> hurricane or tornado, or the thunder after a big nearly
>> lightening-to-ground strike (or perhaps the thunder overhead after a big
>> cloud-to-cloud strike)? As far as human hearing goes, I'd think thunder
>> would sound loudest, but I wonder if earthquake is most SPLs because of
>> the subsonic waves? 
> 
> 
> 
>     On Monday, March 16, 2015 2:14 PM, Lou Judson <[log in to unmask]> wrote:
> 
> 
> Not according to the subject line!
> 
> <L>
> On Mar 16, 2015, at 10:13 AM, Dave Burnham <[log in to unmask]> wrote:
> 
>> I don't think the space shuttle counts because the question was about natural sounds, not man made. 
>> 
>> db
> 
>