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Juan De Fuca quake threat.

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posted on Feb, 3 2007 @ 08:02 AM
If the bad weather in the past few months wasn't bad enough for the region, now there is a growing potential for a "catastrophic" quake.

Watch out for associated volcanic activity

B.C. put on alert for huge quake

From Saturday's Globe and Mail

VANCOUVER — Scientists have alerted British Columbia's emergency-planning department to the possibility of a catastrophic earthquake striking the province's southwest coast next week.

While the probability of a quake is still low, rapid strides in earthquake detection have given federal scientists with the Pacific Geoscience Centre on Vancouver Island greater confidence in their ability to predict when and where one will occur. Garry Rogers, a seismologist at the centre, compared the current earthquake odds to the dangers of driving a car.

“Everyone drives their car every day, and the probability of getting in a car accident is small,” Dr. Rogers said. But during rush hour, the probability of getting into an accident is much higher. “Well, Vancouver Island is now driving in rush hour.”

[edit on 3/2/07 by masqua]

posted on Feb, 3 2007 @ 09:21 AM
Here you go, I wonder if it was anything to do this; I found these two quakes 4 days ago on that plate, and there was another one today, or yesterday, local time.

That was 4 days ago, here is todays,


Edit, you might find something with webicorders, but I don't know where most of them are:

[edit on 3-2-2007 by apex]

posted on Feb, 12 2007 @ 01:31 AM
Giving this thread a bit of a bump, but oh well, Another quake near the ridge that starts the Juan de Fuca plate. I wonder if the stress is building up, and thats where it gives way first.

posted on Feb, 12 2007 @ 02:12 AM
The juan de fuca plate is subducting underneath the continental crust. There will be many earthqaukes along the subducting surface, called the Wadati-Benioff zone.

posted on Feb, 12 2007 @ 07:26 AM
Isn't ole dreaded YELLOWSTONE Supervolcano in that general area?

I mean on the North american plate, on the upper west side of the nation.

Boom. I've seen the simulations.. the biblical days of darkness, the ash would spread across the entire globe's atmosphere.

Crops would be dead, starvation would set in at certain troubled regions. In western society in the cities on the Eastern U.S. and Midwest, chaos rioting and anarchy would ensue..

posted on Feb, 12 2007 @ 07:48 AM
Yellowstone is fed by a hotspot to the best of my knowledge, similar to how Hawaii is. This is mainly about the Cascade region of Volcanoes. It can be seen in this screenshot from Google earth:

the curving set of volcanoes, (red Triangles) which separates from the Cascades region, is from the hotspot that fuels Yellowstone.

posted on Feb, 12 2007 @ 05:17 PM
Great posts apex.

To further help out:
A schematic of the yellowstone hotspot

Whereas the cascades are feed by melt related to the subduction of the juan de fuca plate.

The chain of volcanoes striking off from the cascades to yellowstone are thus equivalent to the chain of hawaiin islands. The hotspot basically stays still, while the crust moves relative to it, leaving remant volcanic islands, or on land, volcanoes.

These structures can be very long

Geology Rocks!

posted on Feb, 13 2007 @ 02:11 AM
Why had I never realised the Hawaiian chain was that long? there is a total length there of about 3600 miles.

But the Cascades are from a subduction zone, so pretty much the same spot will be active for as long as there is magma to feed it, but in the zone where the new crust rises and the Juan de Fuca plate sinks below the American plate. At these points earthquakes will occur.

posted on Feb, 14 2007 @ 07:08 AM
I'm glad it hasn't hit... yet.

Something that hasn't been talked about a lot is the fact that scientists still don't know if the kind of tremors they've been seeing are forerunners of major quakes or if they actually help relieve the stresses that cause major quakes.

When you've got a lot of pressure building up, it's better to have it slip away a little at a time than to get it all at once, right?

Of course, it still means that times of activity are higher risk, but we still don't understand enough to say that one leads to the other.

posted on Feb, 14 2007 @ 05:09 PM
From the wording of the article this probably isn't the exact location they mean, but anyway:

Depth 10km

Interesting, EMSC have this as 60km depth.

Visible on PNSN webicorders, this is the clearest I think:

[edit on 14-2-2007 by apex]

posted on Feb, 23 2007 @ 04:45 PM
Another in this area, Magnitude 4.4 - OFF THE COAST OF OREGON

Probably nothing really happening.

posted on Mar, 21 2007 @ 02:39 AM
This one at the northern end of the plate, generally near the subduction zone:
Magnitude 4.4, Depth 10km

posted on Mar, 23 2007 @ 02:21 AM
The one I last posted here has been downgraded, but there has been another one near it.


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