[Greenbuilding] Earthquakes and older houses

[Jason Holstine]

I think you can find retrofit resources online from California. I think
their state emergency mgmt agency, state NAHB, etc. have docs. It could
become a nice side biz tightening up Okie corrals.


On 3/29/16 1:41 PM, "Bob Waldrop" <bwaldrop1952 at att.net> wrote:

> So here in central Oklahoma, we have been experiencing a growing series
> of earthquakes over the last few years.   The USGS just released a map
> showing the risk of human-induced earthquakes, and Okie City is right
> there. The news said we were at perhaps a 10% risk of a level 6
> earthquake.  Most of the thus far have been in the 2 to 4 range.
> 
> Now we are not only tornado alley, but also earthquake central, more
> earthquakes last year even than California had.
> 
> I lived in the Bay Area of California and in SLC (on top of the actual
> wasatch fault a geologist friend told me), and never experienced a
> quake, but I've felt several here.  I've also been watching the cracks
> in the interior plaster/lathe walls and my exterior brick veneer develop
> and progress.
> 
> I do have earthquake insurance, but it is really only good for a
> complete catastrophe.  It has a 10% deductible, and it doesn't cover
> masonry.
> 
> The house has always seemed very sturdy.  It was built in 1929, the
> studs are on 12 to 14 inch centers and are a hard wood.  THe sheathing
> is 1 x 8 planks.  Then there is brick veneer over that. The foundation
> is brick.  The back and front porch construction seems separate from the
> rest of the house. The concrete front porch is certainly pulling away
> from the rest of the house over the 16 years I've lived here.
> 
> Any thoughts about retrofits that would strengthen the house in the face
> of the growing earthquake risk here?
> 
> Bob Waldrop, Okie and Shaky City
> 
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