Hi Everybody!!
Welcome to the New Year.
And *Big Texas Howdy* to all new friends coming by. A brief review of the Nature of My Blog:
Informal mini-nature class to unite Nature Lovers around the World in the Joy of Living Things, Beauty of Mother Earth and the Risks of Extreme Current Events in Nature. No teachers, no rules, no tests, no requirements. Click in or Click off-your choice to do whatever you want to do! I present many points of view because the mainstream News is out to lunch at this time in History. I only know because a crow told me so. (above)
For the purpose of building our thinking skills and personal knowledge, I Feature Google Index Information and Google You Tube videos to present and share current information relating to: The Nature of Earth, The Exploration of Space Nature, and our Human Nature-the Good, the Bad, and the Ugly.
It is not my intent to Harm You or Alarm You---
only to Inform You. You must make your own responsible decisions about the direction of Your Life. No one will do that for You. Time to sell the couch and TV..............
I am just brendasue (aka Grandma Poppy and Buzzard Lady)- a naturalist, living in the woods in Northern Waller County, Texas. I happen to love birds and want to share this with all of You who do not have birds or trees. I am fortunate to have discovered who knows everything: Google. I try to show by example, how to look things up. (I do not work for Anybody, nor do I answer to anybody. Yes, my Dad is dead or that would not be a true statement!)
The Following People on Google You Tube Channels are my favorite sources for News. They have demonstrated over time a straightforward approach to reporting events as they occur, with past history videos on their channels. I like hearing things read outloud and explained rather than reading.
These 3 do an excellent job:
1. Suspicious Observers.
Suspicious0bservers
http://www.youtube.com/watch?v=Iryg_u32WMs
http://www.youtube.com/watch?v=N4t4uDnlvPI
2. Pink Sapphiret
pinksapphiret
http://www.youtube.com/watch?v=mNTaQ0gzBb4
http://www.youtube.com/watch?v=nmUYRh0eR3g
3. Mary Greeley
Marygreeley1954
http://www.youtube.com/watch?v=WsU7JYw_AgY
http://www.youtube.com/watch?v=lynv6meW0ho
http://www.youtube.com/watch?v=MMcB_uY-xp4
If you viewed the above vids, I believe You saw a trend that things are not so good in the Canary Islands. WHY have we not heard about this situation? WHY is it not being reported? And WHY do I even care about earthquakes and volcanoes half way around the world?
You will see next the correct current activity in the graphs below. The next video will explain the High Danger of a Mega-tsunami hitting the United States and other places in the event of an eruption and landslide of the volcano in the Canary Islands.
I encourage you to inform yourself about what is going on so You will know. I have included history of a year for this location.
http://www.01.ign.es/ign/resources/volcanologia/jpg/histograma_HIERRO_ultimos_10.jpg
http://www.02.ign.es/ign/layoutIn/volcaSenalesAyerHoy.do#
http://en.wikipedia.org/wiki/Megatsunami
Megatsunami
From Wikipedia, the free encyclopedia
Megatsunami is an informal term to describe a tsunami that has initial wave heights that are much larger than normal tsunamis. Unlike usual tsunamis – which originate from tectonic activity and the raising or lowering of the sea floor – known megatsunamis have originated from a large scale landslide, collision, or volcanic eruption event.
Concept
A megatsunami is meant to refer to a tsunami with an initial wave amplitude (height) measured in several tens, hundreds, or possibly thousands of meters.
Normal tsunamis generated at sea result from movement of the sea floor. They have a small wave height offshore, and a very longwavelength (often hundreds of kilometers long), and generally pass unnoticed at sea, forming only a slight swell usually of the order of 30 cm (12 in) above the normal sea surface. When they reach land the wave height increases dramatically as the base of the wave pushes the water column above it upwards.
By contrast, megatsunamis are caused by giant landslides and other impact events. This could also refer to a meteorite hitting an ocean. Underwater earthquakes or volcanic eruptions do not normally generate such large tsunamis, but landslides next to bodies of water resulting from earthquakes can, since they cause a massive amount of displacement. If the landslide or impact occurs in a limited body of water, as happened at the Vajont Dam (1963) and Lituya Bay (1958) then the water may be unable to disperse and one or more exceedingly large waves may result.
Two heights are sometimes quoted for megatsunamis - the height of the wave itself (in water), and the height to which it washes when it reaches land, which depending upon the locale, can be several times larger.
List of megatsunami
[edit]Prehistoric
- The asteroid which created the Chicxulub crater in Yucatán approximately 65 million years ago would have generated megatsunamis as high as 3 kilometres (1.9 mi); enough to completely inundate even large islands such as Madagascar.[3]
- A series of megatsunami were generated by the bolide impact that created the Chesapeake Bay impact crater, about 35.5 million years ago.[4]
- A massive collapse of the western edge of the Lake Tahoe basin, which formed McKinney Bay, around 50,000 years ago is thought to have generated a tsunami/seiche wave with a height approaching 330 ft (100 m).[5]
- At Seton Portage, British Columbia, Canada, a freshwater megatsunami may have occurred approximately 10,000 years ago.[6] A huge block of the Cayoosh Range suddenly slid northwards into what had been a large lake spanning the area from Lillooet, British Columbia to near Birken, in the Gates Valley or Pemberton Pass to the southwest. The event has not been studied in detail, but the proto-lake (freshwater fjord) may have been at least as deep as the two present-day halves, Seton and Anderson Lakes, on either side of the Portage, suggesting that the surge generated by the giant landslide in the narrow mountain confines of the fjord valley may have been comparable in scale to Lituya Bay[citation needed]. Another more recent landslide on the south shore of Anderson Lake dropped a large portion of high mountainside down a debris chute, creating a rockwall "fan" which may have made a megatsunami-type wave, though not as large as the main one at the Portage.[citation needed]
- Approximately 8,000 years ago, a massive volcanic landslide off of Mt. Etna, Sicily caused a megatsunami which devastated the eastern Mediterranean coastline on three continents.[7]
- In the Norwegian Sea, the Storegga Slide caused a megatsunami approximately 8,000 years ago.[8]
- Approximately 6,000 years ago, a landslide on Réunion island, to the east of Madagascar, may have caused a megatsunami.[9]
- Evidence for large landslides has been found in the form of extensive underwater debris aprons around many volcanic ocean islands which are composed of the material which has slid into the ocean. The island of Molokai had a catastrophic collapse over a million years ago; this underwater landslide likely caused large tsunamis. In recent years, five such debris aprons have been found around the Hawaiian Islands. The Canary Islands have at least 14 such debris aprons associated with the archipelago.
Potential future megatsunami
Experts interviewed by the BBC think that a massive landslide on a volcanic ocean island is the most likely future cause of a megatsunami.[13] The size and power of a wave generated by such means could produce devastating effects, travelling across oceans and inundating up to 25 kilometres (16 mi) inland from the coast.
Canary Islands
Geologists S. Day and S. Ward consider that a megatsunami could be generated during a future eruption involving the Cumbre Vieja on the volcanic ocean island of La Palma, in the Canary Islands, Spain.[15][16]
In 1949, this volcano erupted at its Duraznero, Hoyo Negro and San Juan vents. During the eruption, an earthquake occurred with an epicentre near the village of Jedy. The following day Rubio Bonelli, a local geologist, visited the summit area and discovered that a fissure about 2.5 kilometres (1.6 mi) long had opened on the eastern side of the summit. As a result, the western half of the volcano (which is the volcanically active arm of a triple-armed rift) had slipped about 2 metres (6.6 ft) downwards and 1 metre (3.3 ft) westwards towards the Atlantic Ocean[citation needed].
The Cumbre Vieja volcano is currently in a dormant stage, but will almost certainly erupt again. Day and Ward hypothesize[15][16] that if such an eruption causes the western flank to fail, a megatsunami will be generated.
La Palma is currently the most volcanically active island in the Canary Islands Archipelago. It is likely that several eruptions would be required before failure would occur on Cumbre Vieja.[15][16] However, the western half of the volcano has an approximate volume of 500 cubic kilometres (120 cu mi) and an estimated mass of 1,500,000,000,000 metric tons (1.7×1012 short tons). If it were to catastrophically slide into the ocean, it could generate a wave with an initial height of about 1,000 metres (3,300 ft) at the island, and a likely height of around 50 metres (164 ft) at the Caribbean and the Eastern North American seaboard when it runs ashore eight or more hours later. Tens of millions of lives would be lost as the cities and/or towns of St. John's, Halifax, New York, Boston, Baltimore,Washington, D.C., Miami, Havana, and many other cities on the Atlantic coast in Europe, South America and Africa. The likelihood of this happening is a matter of vigorous debate.[17]
The last Cumbre Vieja eruption occurred in 1971 at the southern end of the sub-aerial section without any movement. The section affected by the 1949 eruption is currently stationary and does not appear to have moved since the initial rupture.[18]
Geologists and volcanologists also disagree about whether an eruption on the Cumbre Vieja would cause a single large gravitational landslide or a series of smaller landslides.
FEATURE PRESENTATION:
VERY INFORMATIVE VIDEO
http://www.youtube.com/watch?v=zKSlWLKdrFI
Megatsunami wave upon the coastal area
Created by wiki-vr 10:59, 15 May 2006 (UTC), based upon image:Tsunami-kueste.01.vm.jpg of Graphic created for Wikipedia by Veit Mueller 29.12.2004
http://www.youtube.com/watch?v=YWtJ-DG3HuM
http://www.google.com/imgres?hl=en&newwindow=1&sa=X&tbo=d&biw=1027&bih=660&tbm=isch&tbnid=WAuXttANogi8uM:&imgrefurl=http://www.bugbog.com/maps/europe/canary-islands-map.html&docid=hhFor46BJJ9FoM&imgurl=http://www.bugbog.com/images/maps/canary-islands-map.jpg&w=710&h=316&ei=gATlULjHG6iq2gX0sIDoBg&zoom=1&iact=hc&vpx=115&vpy=302&dur=587&hovh=150&hovw=337&tx=202&ty=55&sig=105036134252299360093&page=2&tbnh=128&tbnw=251&start=13&ndsp=24&ved=1t:429,r:23,s:0,i:233
december 2012
http://www.youtube.com/watch?v=Wi7XbgHhsUs
one year ago 2011
http://www.youtube.com/watch?v=hqbxHhLCzNg
http://www.youtube.com/watch?v=6x8adBcEfVI
VERY STRANGE GRID PATTERN FOR EARTHQUAKES????????
http://www.youtube.com/watch?v=yASdAdRQkz0
http://www.youtube.com/watch?v=h9xlTxvtQk4
1971
http://www.youtube.com/watch?v=VbOB_O_3chM
http://www.youtube.com/watch?v=ie_0GVfBcBc
...this is brendasue signing off from Rainbow Creek. See You Next Time!
Of Course, One more great performance
http://www.youtube.com/watch?v=sDOIlbvSM4c
O+O
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