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Re: [OM] (OM) OT Earthquake in NZ

Subject: Re: [OM] (OM) OT Earthquake in NZ
From: Candace Lemarr <CandaceRocks@xxxxxxxxxxx>
Date: Sat, 04 Sep 2010 10:03:25 -0600
Oh my, Brian. I am very glad to hear that you and yours are alright.

Candace


On 9/4/2010 9:54 AM, Brian Swale wrote:
> Hi folks,
>
> Many thanks for your concern. I/we are OK.
>
> Here is part of what I wrote on FB
>
>    
>> Some bridges damaged. A few roads split / moved sideways. Bad weather
>> forecast for tomorrow but it's fine today. Significant damage in parts to
>> water supply and sewerage system. Significant electricity outage in
>> places. The northern township of Kaiapoi has very significant
>> infrastructure loss.
>>
>> Latest details are: 7.1 magnitude quake at 16km depth (shallow) 30 km west
>> of Chch. Many after shocks continue 6 hours afterwards. State of emergency
>> just declared. No loss of life so far. At least 6 people rescued from
>> holes that appeared in ground through solifluction !! Many buildings (many
>> historic) with brick facades and sheathing have been damaged as the brick
>> came down. Brother Ian's motel apparently has quite a bit of damage to the
>> older structure with one chimney down; Ian is in Hamilton. Family all OK
>> as far as I can tell.
>>      
> This part of New Zealand has historically not had severe earthquakes. My
> former home, on hard ground on a significant hill, is fine and suffered no
> damage. Most of Christchurch city is built on old swamp (peat, sea-sand,
> some gravel and water).  Geologists had warned years ago that should a
> quake hit Canterbury, this land would wobble like a jelly, and so it did.
>
> We were woken, at least 400 km distant, at 4.35 am, by a strong rolling
> wave that persisted for at least 15 seconds - could have been longer.
> Christchurch had aftershocks for at least 12 hours.
> At the epicentre there was lateral movement of at least 4 metres.
>
> The quake was very shallow at 16km.  Here, the underlying hard rock is
> overlain by a very great depth of alluvial gravels.
>
> Try this URL; don't know if it is still there
> http://www.facebook.com/l/63f2c;www.stuff.co.nz
>
> Yesterday it had 37 images.  If anyone wants a map of the telephoned
> responses and indications of strength, e-mail me off-list and I will gladly
> send a copy.
>
> The city has taken a severe hit, and an official state of emergency has been
> declared until some time on Monday.
>
> Having looked at the images, sitting at my computer in the early hours of the
> morning (as I am) I feel that I am still in CHCH, but not so !
>
> I still have stuff stored in Sumner, but apparently the house where it is, was
> not damaged.
>
> Brian Swale.
>    

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