[TheForge] Earthquake NNW of Anchorage...

Jerry Frost akfrosty at mtaonline.net
Fri Jul 9 14:30:22 EDT 2010 

That isn't helping much Marc, the news and a couple folk I've talked to who 
felt it say it was between 5.1 and 5.5 on the Richter scale (depending on 
which news you're reading or listening to) and the USGS site says it was ML 
1.64.

However, knowing ML stands for local magniture is helpful but typically 
magnitude readings close to the event are much higher than from distant 
instruments and this one seems reversed. Maybe a big tree just got blown 
over on the instrument? Stupid TREES!

Jer
-------------------------
If it ain't forged
It ain't real
wrought iron is
The Frostworks



----- Original Message ----- 
From: "Marc3rd" <marc3rd at marc3rd.com>
To: "Blacksmithing List Sponsored by ABANA" <theforge at mailman.qth.net>
Sent: Thursday, July 08, 2010 12:04 PM
Subject: Re: [TheForge] Earthquake NNW of Anchorage...


According to this
http://www.sciencedaily.com/articles/r/richter_magnitude_scale.htm they are
the same . ML is local magnitude just a different name. you say potatoes I
say potatoes. ( that doesn't work very well in type does it?)


Marc
Marc V. Davis III
Marc of the Hammer
marc at marc3rd.com
www.marc3rd.com


----- Original Message ----- 
From: "Peter Fels & Phoebe Palmer" <artgawk at thegrid.net>
To: "Blacksmithing List Sponsored by ABANA" <theforge at mailman.qth.net>
Sent: Thursday, July 08, 2010 3:16 PM
Subject: Re: [TheForge] Earthquake NNW of Anchorage...




Jerry Frost wrote:
> We're all just fine thank you Wes. NOT being a professional builder I
> overbuilt the house a bit, not only is it 2x6 framed with seismic ties to
> a
> faretheewell and hurricane clips on every single joist, rafter and truss,
> it
> isn't too uncommon for us to get winds well over 100mph right here on the
> farmstead, but all the walls have 5" of Urethane foam insulation and the
> trusses 7" of same. The last major quake, a 7pointer about 120 miles north
> a
> few years ago barely made the house go bang, no rattles or shaking,
> nothing
> fell, nothing. Zero damage at all. A mere 5 pointer, even if it was
> centered
> about 40 miles from here isn't likely to do much to our place.
>
> Darned if I know what magnitude scale the USGS is using now. I have an
> experienced handle on the Richter scale but all the info on the site is
> now
> in ML and I have zero idea how that feels.
>
> On the other hand, looking over the site it seems we've had a few dozen
> quakes in the last few days a number hypocentered (?) near Hayes volcano,
> that could be interesting, we haven't been ashed for a couple years.
> Another
> centered within 40-70 miles of Talkeetna and a bunch in Prince William
> sound. The 1964 (Good Friday) great quake, a 9+ on the Richter scale, was
> centered in Prince William sound somewhere. It raised most of the islands
> and mainland an average of 35' while leveling most communities and
> clearing
> debris with tsunamis from PW sound to Hawaii.
Woweeeee!
>
> That's the kind of action that led me to build the way I did.
> Jer
> -------------------------
> If it ain't forged
> It ain't real
> wrought iron is
> The Frostworks
>
>
>
> ----- Original Message ----- 
> From: "Wesley Marquart" <marquart at arlinn-tower.com>
> To: "theForge" <theforge at mailman.qth.net>
> Sent: Wednesday, July 07, 2010 9:24 PM
> Subject: [TheForge] Earthquake NNW of Anchorage...
>
>
> Hey Frosty
>
>
>
> I hope you guys didn't get too badly shaken about by this!
>
>
>
> I just ran across the report a few minutes ago.  Yer in my thoughts!
>
>
>
> Wes
>
>
>
>
>
> Earthquake Details
>
> * This event has been reviewed by a seismologist.
>
> Magnitude <http://earthquake.usgs.gov/earthquakes/glossary.php#magnitude>
> 5.0Date-Time <http://earthquake.usgs.gov/earthquakes/glossary.php#date>
>
> * Thursday, July 08, 2010 at 03:15:49 UTC
> * Wednesday, July 07, 2010 at 07:15:49 PM at epicenter
>
> Location <http://earthquake.usgs.gov/earthquakes/glossary.php#location>
> 61.850°N, 150.473°WDepth
> <http://earthquake.usgs.gov/earthquakes/glossary.php#depth> 20.8 km (12.9
> miles) set by location programRegion
> <http://earthquake.usgs.gov/earthquakes/glossary.php#region> SOUTHERN
> ALASKA
>
> Distances <http://earthquake.usgs.gov/earthquakes/glossary.php#distances>
> 55
> km (35 miles) SSW of Talkeetna, Alaska
> 75 km (50 miles) NNW of Anchorage, Alaska
> 80 km (50 miles) WNW of Palmer, Alaska
> 975 km (610 miles) WNW of JUNEAU, Alaska
> Location Uncertainty
> <http://earthquake.usgs.gov/earthquakes/glossary.php#uncertainty>
> horizontal
> +/- 0.3 km (0.2 miles); depth fixed by location programParameters
> <http://earthquake.usgs.gov/earthquakes/glossary.php#parameters> NST= 56,
> Nph= 61, Dmin=45.2 km, Rmss=1.17 sec, Gp= 54°,
> M-type=local magnitude (ML), Version=2Source
> <http://earthquake.usgs.gov/earthquakes/glossary.php#source>
>
> * Alaska Earthquake <http://www.aeic.alaska.edu/>  Information Center
> Geophysical Institute, University of Alaska Fairbanks
>
> Event ID <http://earthquake.usgs.gov/earthquakes/glossary.php#eventid>
> ak10059234
>
> http://earthquake.usgs.gov/earthquak...ak10059234.php
> <http://earthquake.usgs.gov/earthquakes/recenteqsus/Quakes/ak10059234.php>
>
>
>
>
>
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