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El Hierro / Canary Islands - Most Recent Information By The Most Diligent - And Recap Of Past Year
Ms Sans Serif
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[quote:Anonymous Coward 15368686:MV8xOTkxNzI2XzMzNDU1MTI5X0ExODgyQzk1] In discussing the potential of tsunami activity from the Canaries, this was obtained. Note...it has been stated many times in the geological world that an ample eruption on one island could trigger eruptions or land slides on other islands. We have already seen La Palma react to Hierro's quakes...and La Palma contains the most noted threat for tsunami action. However...Hierro shows the most recent and largest bulk land slides. http://en.wikipedia.org/wiki/Cumbre_Vieja#Future_threat "[color=red][u][b]Computer modelling indicates that the resulting initial wave may attain a local amplitude (height) in excess of 600 metres (1,969 ft) and an initial peak to peak height that approximates to 2 kilometres (1 mi), and travel at about 1,000 kilometres per hour (621 mph) (approximately the speed of a jet aircraft), inundating the African coast in about 1 hour, the southern coast of England in about 3.5 hours, and the eastern seaboard of North America in about 6 hours, by which time the initial wave would have subsided into a succession of smaller ones each about 30 metres (98 ft) to 60 metres (197 ft) high. These may surge to several hundred metres in height and be several kilometres apart but retaining their original speed[/b][/u][/color]." Probably the best visual of what a tsunami would do from La Palma. Check page 3 specifically. La Palma has been more studied however, Hierro offers just as much potential with an 8 mile long cliff wall facing East that is just over a 1.5km high. And, a cliff wall that faces south that is 7 miles long and is also 1.5km high. The cliffs facing East HAVE collapsed in the past and the residue stretches out some 30 miles East over cover a 10,000 feet drop in elevation from the top of the cliffs to the base of the sea floor in the Atlantic. This is one very tall island. http://standeyo.com/NEWS/11_Earth_Changes/110909.Cumbre.Vieja.225.pdf A page where you can enter whatever sized wave you wish, choose a region, and it will show you the after effects of that wave http://maps.google.com/maps/mapplets?moduleurl=http://www.heywhatsthat.com/mapplets/sealevel.xml ____________________________________________________________ AVCAN is the primary reporting source of most information that comes out of the Canaries. Here is their facebook page http://www.facebook.com/pages/Actualidad-Volcánica-de-Canarias-AVCAN/163883668446 [/quote]
I am the former user "Idgits". About 100 consistent followers and contributors and I created the most informative thread on El Hierro and the Canary Islands archipelago that GLP has ever seen.
Thread: Best El Hierro Thread On GLP - Canary Islands - ACTIVITY HAS RETURNED - AGAIN!
I have since deleted the account that I was using to start that thread, thus the reason it says "AC" now as the original poster.
During the course of that thread I removed all of the "Hi's" and "How are you's" and "bump's" until about page 500...which condensed the thread down to around 280 pages. It has since continued to grow and has become a true source of facts surrounding the earthquake swarm and eventual eruption that took place last year, ending early this year.
Since that eruption officially ended, Hierro has shot back into action several times. I believe we are on the 4th major swarm of activity that has occurred since the eruptive phase ended. It has been recommended by one of our most consistent and well informed users "Shenue" as well as others, to start a new thread to showcase the newest events occuring in Hierro. The previous eruption was incredible, teaching science a whole new concept and understanding of underwater eruptions. It also produced the most radioactive lava ever recorded.
The most incredible feat of Hierro though, is how much pressure it is capable of maintaining WITHOUT erupting. In the last swarm we saw such an incredible increase in pressure that any other geologic formation would've theoretically blown sky high. But not Hierro...it's always maintained it's strength. The current combined energy under Hierro from both magma flow and seismic energy released is basically unknown as IGN stopped recording all the joules together...they stopped the eruptive phase recording in May of this year...here is that chart [
link to www.01.ign.es
So...this new thread is to pick up where Hierro has brought us now. I need to be able to change the thread title as events occur and be able to alert people with that title in case something serious occurs. In addition, there is SO MUCH information in that past thread that it's difficult for new users and followers to sift through to the most recent activities. Below I have comprised a list of information and links relative to the old thread. It's information that took us a year plus to gather!
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