As an example, when living in Northern Ca. in the mountains East of
Santa Cruz
the 'San Francisco' quake hit - it being less than 7 miles away - SF
being 70.
My property moved to the North West by 7 feet. - About 2 meters.
If one is doing papers or studies on the loci of a shell species it might
be important to know that a population over the past (say) 100 years nay
1000 years moved
and the two populations are really one being separated in time and force.
However they evolved differently due to local environmental sources.
There is a great example of this in California - two U.S. Federal
Monuments that were cleaved
by the San Andreas and sit 400 miles apart.
http://www.nps.gov/pinn/index.htm
Martin
On 8/24/2011 4:54 PM, David Campbell wrote:
> It was felt by some people here in Ithaca, New York.
>
> What does the quake have to do with shells, apart from being a
> reminder to label your collection well enough that things can get
> shaken without losing data? Tectonic action helps determine what
> fossils are accessible, instead of under the seafloor or eroded away.
> It also can create distinctive environments, such as hydrothermal
> vents.
>
> On Wed, Aug 24, 2011 at 4:30 PM, Helen Madow<[log in to unmask]> wrote:
>> I'm just north of New York City and I was driving in the car. I didn't feel
>> anything.
>> Helen Madow
>> ----- Original Message -----
>> From: "Amelia Ann Dick"<[log in to unmask]>
>> To:<[log in to unmask]>
>> Sent: Tuesday, August 23, 2011 5:02 PM
>> Subject: [CONCH-L] 5.9 Earthquake Centered in Mineral, Va. at 1:46 today
>>
>>
>>> Hello to All - I am wondering how many of you out there experienced the
>>> rare 5.9 magnitude earthquake centered in Mineral, Virginia at
>>> approximately 1:46 p.m. this afternoon? I live in Smithfield, Virginia
>>> which is about 121 miles away from the epicenter. The shock waves lifted
>>> or rolled my home. This rocking and rolling went on for approximately 20
>>> seconds. I actually felt dizzy. Reports state it could be felt as far
>>> north as New York City or farther into Canada. Also, as far south as
>>> South Carolina. I am curious and would appreciate your reply if the earth
>>> moved for you today.
>>>
>>> Amelia Ann Dick (Amy)
>>> Smithfield, Virginia
>>>
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>
>
> --
> Dr. David Campbell
> Collections Assistant
> The Paleontological Research Institution
> 1259 Trumansburg Road
> Ithaca NY 14850
>
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