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Don't worry too much about your first earthquake. What is the
average number of people hurt or killed by cars or muggers on
Valencia St. each year as compared with the number of people who
fall into chasms caused by earthquakes on Valencia St. each year.
The major damage that I saw after Loma Prieta(?) earthquake was in
the marina district to which I offer this technical thesis...<br>
<a
href="http://www.youtube.com/watch?v=YdsKu21hV4I&feature=related"><br>
http://www.youtube.com/watch?v=YdsKu21hV4I&feature=related</a><br>
<br>
-Claudia <br>
<br>
On 1/5/2012 8:40 AM, Tony Longshanks LeTigre wrote:
<blockquote
cite="mid:CAHLAvJS+LLOH1hGiUZng6Dzoj73yUgGWjiXmcsjTYqEXshaRyw@mail.gmail.com"
type="cite">Sorry, I diverged from the thread topic there - I've
retitled this message to mark a new thread.<br>
<br>
<font style="font-family:arial,helvetica,sans-serif" size="2">If
anyone will write a brief synopsis / nutshell weaving together
the Entscheidungsproblem, Computational Complexity Theory and
the Church-Turing Theorem (and /or Church-Turing thesis) that I
could include in ZiP#1, much obliged.....</font>my plate is
full.<br>
<br>
<br>
<div class="gmail_quote">On Thu, Jan 5, 2012 at 8:11 AM, Tony
Longshanks LeTigre <span dir="ltr"><<a
moz-do-not-send="true"
href="mailto:anthonyletigre@gmail.com">anthonyletigre@gmail.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div class="im"><span style="color:rgb(255,0,0)">On Thu, Jan
5, 2012 at 7:20 AM, Joshua Juran <<a
moz-do-not-send="true" href="mailto:jjuran@gmail.com"
target="_blank">jjuran@gmail.com</a>> wrote:</span><br
style="color:rgb(255,0,0)">
</div>
<div class="gmail_quote">
<div class="im">
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div style="color:rgb(255,0,0)">
<br>
</div>
<span style="color:rgb(255,0,0)">I know the perfect song
for that. It's great -- it starts with an</span><br
style="color:rgb(255,0,0)">
<span style="color:rgb(255,0,0)">
earthquake...</span><br style="color:rgb(255,0,0)">
<span style="color:rgb(255,0,0)"></span></blockquote>
</div>
<div><br>
<br>
Funny you should say that.<br>
<br>
I'm writing something right now for ZiP Issue One on the
logarithm used to calculate earthquake magnitude. There is
a lot of general public misinfo / ignorance on this
subject. Many people, and even many media outlets, think
quake magnitude increases by a simple factor of 10 for
each full number you go up the scale, when in fact -
correct me if wrong - an increase in one number represents
32 times more energy, and an increase of two full numbers
equals almost 1,000 times as much energy released (900 and
something). Meaning there is a huge difference between a
4.0 and a 6.0 magnitude earthquake. A 4.0 you might barely
feel, while a 6.0 is big enough to, excuse the language,
Seriously Fuck Shit Up. The 1994 Northridge quake only had
a moment-magnitude of 6.7; Loma Prieta 6.9 - but then
there's the surface wave magnitude.....that's of greatest
import to us humans. It's complicated. But I'm so into it!<br>
<br>
Any other earthquake aficionados / seismology geeks in the
house? It's one of my choice topics. If I make any
noticeable contribution to hacking I would like it to be
seismology related; i.e., a way to increase our accuracy
in earthquake prediction.<br>
<br>
Also, everyone still says Richter Scale but my
understanding is it's not widely used these days and is
not accurate for measuring large earthquakes (above 7.0 or
so). Moment magnitude seems to be most widely used these
days, in my experience. Can anyone confirm / deny /
elaborate?<br>
<br>
I am 75% looking forward to / 25% dreading my first Major
Earthquake Experience. From all the first-hand accounts
I've read and heard (hundreds, maybe thousands), they can
be terribly exciting. I just hope I'm not crossing
Valencia when the next Big One hits: in 1906 a big rift
opened up in the middle of that street......<br>
<br>
<br>
<br>
+0ny<br>
</div>
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<br>
</blockquote>
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<br>
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<p class="" avgcert""="" color="#000000" align="left">No virus
found in this message.<br>
Checked by AVG - <a moz-do-not-send="true"
href="http://www.avg.com">www.avg.com</a><br>
Version: 2012.0.1834 / Virus Database: 2109/4723 - Release Date:
01/04/12</p>
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