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Best El Hierro Thread On GLP - Canary Islands - ACTIVITY HAS RETURNED - AGAIN!
Ms Sans Serif
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[quote:Anonymous Coward 995876:MV8xNjE3MzkwXzI2ODgzODA3X0E1NzFFMkJB] [quote:IwantToBelieve76:MV8xNjE3MzkwXzI2ODgzMzA1XzQ3MkE2Qzc3] [quote:Idgits:MV8xNjE3MzkwXzI2ODgzMTg3XzYyNzk1MzNE] "[u][b]The steep-sided 1500-m-high scarp towers above a low lava platform bordering 12-km-wide El Golfo Bay, and three other large submarine landslide deposits occur to the SW and SE. Three prominent rifts oriented NW, NE, and south at 120 degree angles form prominent topographic ridges.[/b][/u] The subaerial portion of the volcano consists of flat-lying Quaternary basaltic and trachybasaltic lava flows and tuffs capped by numerous young cinder cones and lava flows. Holocene cones and flows are found both on the outer flanks and in the El Golfo depression. Hierro contains the greatest concentration of young vents in the Canary Islands. Uncertainty surrounds the report of an historical eruption in 1793." http://earthquake-report.com/2011/07/28/earquake-activity-below-el-hierro-volcano-canary-islands-spain/ [/quote] mhh, nice find op thx for this info:hf: [/quote] When you put it into numbers it helps to understand how this could be so devestating. This could essentially be a 18 million square meter surface area. That's a huge mass that could suddenly fall into the sea. A ridge 4600 feet high that would fall into a 36,000 foot long bay...on the top of a massive lava field...at 120 degree angle. That's extrmely steep and could generate some massive speed if falling downward. So, technically...it could do more than cause a tsunami...if the ridge colapses it could devestate the lava platform underneath and puncture it, apply pressure to it causing it to breach or may allow the lava field to break open inside the ridge itself where the earth fell down. There's all kinds of possibilities here. This island is called Hierro...it means "Iron" or "Strong" or even "Hero" based on the three langauges previously spoken there. [/quote]
Over 40 quakes were reported on Hierro alone yesterday, many with very shallow depths. 3.8 hit just North of Tenerife as well, bringing curiosity to the region...what's next?
"Update 07/08 – 10:21 UTC
An article in Diario El Hierro reports about some findings of the University of La Laguna.
The professor indicates that eruption material from El Hierro is among the strongest eruption radioactive material known so far.
Click here to read this (Spanish) article."
link to earthquake-report.com
The stones of the eruption El Hierro, the most radioactive in the world
The stones that surfaced as a result of volcanic earthquake crisis last year affected the island of El Hierro are the most radioactive in the world
, told Efe Antonio Darwich physicist, professor, Department of Soil Science and Geology University of La Laguna."
Original page in spanish [
link to www.diariodeavisos.com
So...they are totally dismayed as to how these rocks could be so full of radiation? Humm...let's try this explanation!
Thread: OLD NUCLEAR WASTE DUMP SITE OFF EL HIERRO! OMG!
The United States used to use the coastal waters of El Hierro as a nuclear dumping ground. The idea that our nuclear waste has been drawn into the subversion plates, burnt down into the magma and then redistributed through El Hierro's underwater eruption is quite a possible scenario!
These eruptions are commonly phreatomagmatic eruptions, representing violent explosions caused by rising basaltic or andesitic magma coming into contact with abundant, shallow groundwater or surface water.
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