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Ocean levels, Volcanic Correlations and Tides Cocoroco !
Preamble :

We ignore still more of things about the oceans. We know that they are of considerable importance :

Weather and climate.

About life in general.

And also Economical

Some oceans reach depths of about 10,000 meters.
The oceans cover a little over 70% of the surface of the Earth. The Earth's crust, they cover, has a thickness of about 5 km to compare to the 30 km in average to the continental crust.
The volcanic activity of continents is well known, on the other hand that of the oceans is largely inaccessible, even if measuring instruments have recently made some progress.

Remarks :

The surface ratio ocean/continent is about 70/30. It can therefore be assumed that the overall volcanic activity of the ocean over the continental volcanic activity is at least in the same report.
Le volcanisme de point chaud de l’Océan Pacifique Sud

If the thickness ratio of the crust is 30/5 = 6. The energy and therefore heat from the permanent volcanic activity of the ocean is at least the same amount. This gives a volcanic energy released in the oceans of the order of 6 x (70/30), 42/3, so about 14 times greater than that generated on the continents.
It is probably even more important because it must also take into account the pressures column height of ocean waters. What causes water leaks at high pressure by the flaws of oceanic crust. These waters splash up at very high temperatures in gaseous or liquid forms.
The hydrothermal activity is characterized, among other things, by hydrothermal vents. For example  blaKck smokers which were discovered in 1977 by the submersible Alvin.

And all this is generally invisible for us !

Source : AVISO
Niveau des mers

About the web site AVISO :

Warning, this site has recently undergone many changes, not always very happy, which render its access very uncertain or even dangerous due cookies he introduced in computers. So we removed reluctantly links to this site.

In January 2013 in the N° 57 of the magazine "l'Astronomie", (SAF), is published a series of articles on Earth. Among them there is one, entitled "Changement climatique et variations récentes du niveau moyen des mers" (Climate Change and recent changes in average sea level)

In this paper appears a map of changes in sea level over the past decade. (See opposite). The author tells us:
We translate and quote:
"... The current increase in mean sea level can be explained by three main factors whose role is now almost equal and shared.
It is the thermal expansion due to ocean warming (estimated at an average of 1.1 mm/year for the period 1993-2011).
adding water to the oceans from the melting of continental glaciers (about 1.2 mm / year for the period 2003-2009).
and the loss of ice from Greenland and Antarctica (about 1.1 mm/year for the period 2003-2009). "
The author finish with the usual climatological conclusions today.
The link below give us, in this context, a lot of information:

In front of this map we experience discomfort which does not immediately understand the cause. It's only after a few days that the evidence appears to us.
Source : Les Volcans
Tectonique des plaques

In fact this map of sea levels reminds us some others, including those we heard, when we were present at lessons given by Professor Xavier Le Pichon in the Collège de France.
These maps are these ones of plate tectonics and volcanic activity across our planet.

Comparing these two cards, there is already evidence that:

  1. Rising sea level appears in almost all cases, correlated with volcanic activity underwater . (Something that curiously never mentioned)
  2. The gradient of the level is the highest in over oceanic volcanic areas and decreases further to the east.
  3. Over ten years, continental volcanic activity has clearly no detectable effect on sea levels.
  4. Even if it is possible, the influence of global warming on sea levels has not been demonstrated.

Consider the most obvious between volcanic activity and ocean levels correlations:

  1. Indonesia
  2. Japan
  3. New-Zealand
  4. Madagascar - Reunion

And a few special cases:

  1. Argentina, Rio de la Plata
  2. Brasil, Amazon
Oceans, thermo halines currents

Courants marins
Questions :
Therefore, in almost all cases, dilation levels that accompanies the warming of the oceans, it is always oriented from west to east?
Ocean currents would they be accountable?
Map of thermo haline ocean currents below against, shows that there is no correlation with what is observed.
Would the winds in the cause? Yes, but then it can only mean winds in ocean surface. Two observations allow us to validate this hypothesis:
  1. The dispersion of waste from the disaster caused by the tsunami, in March 2011, on Japan's east coast. Overall this dispersion is correlated with the orientation of the expansion of the oceanic level off Japan.
  2. El Niño, coincidentally, is born in the middle of the Pacific Ocean in the guise of a 'warm anomaly'. So it is born in the depths of the Pacific Ocean, in one of the most active volcanic region of our planet. It is found that El Niño orientation is correlated with the orientation of the expansion of the ocean off the coast of Indonesia.
    The warm waters off by these underwater volcanoes rise to the surface by moving eastwards under the influence of deep currents and surface currents and also under the effect of winds. The thermo haline ocean currents are thus seem to be anything.
    El Niño activity variations are therefore well linked to variations underwater volcanic activity of the central regions of the Pacific Ocean. These variations of volcanic activity would they be the result of astronomical phenomena such as the tides induced by Earth on the Moon, the planets and the Sun?
  3. The phenomenon El Niña works the same way but unlike El Niño. This implies that the underwater currents and surface winds are reversed.
  4. During large-scale episodes, El Niño could overflow into the Atlantic ocean and lead some weather anomalies.
  5. The only constant is the appearance of the warm anomaly on the surface of the ocean as the trigger indicator of these phenomena.
    It seems essential to monitor volcanic activity on the ocean floor and also to measure the ascent time of the warm waters which are the consequence.

  §  The burning Earth:
Le Goddard Institute for Space Studies (NASA - GISS) publishes a monthly surface temperature anomaly map, on Earth, and a trends map. These documents are valuable because of some very revealing weather and climate phenomena.
The last was published, on July 2016 : GISS Surface Temperature Analysis. See opposite the July 2016 card.
This card is amazing. It shows in the Pacific Ocean, as expected, El Niño. But also twin brothers, one north and one south! This extreme configuration is probably pretty exceptional.
El Niño, as usual, through South America and the Atlantic Ocean, is spreading in Africa and dates back to the North and to Europe via the Mediterranean Sea!
El Niño North licks the west coast of the United States, scatters to the Arctic, to Europe, Russia, and northern Asia!
El Niño Southern comes licks Patagonia and spreads to the Antarctica!
Don't be too surprised if the Earth is undergoing global warming which we certainly can not accuse humans.
These phenomena lead not only to many catastrophic wildfires in the US, France, Russia and elsewhere, but also episodes of catastrophic drought for agriculture.
We must therefore, in emergency, search and observe the underwater volcanic activity in the depths of the Pacific Ocean.

El Niño
To see and hear the animation, click on the image below.
Météo El Nino
Credit : la chaîne météo.  

Volcanism and El Niño
To see the enlarged image, click below.

volcanisme et el Nino.

Carte de température de surface
NASA-GISS Carte des anomalies de températures
Périodicité du Stromboli Some answers:
Today we know a volcano whose activity is correlated with the lunar tides.
It is the Stromboli which we see the activity curve shown against. It has peaks at a rate of 14 days, which corresponds to the full and new moons (twice 14 days).
Eruzioni vulcaniche al ritmo delle fasi lunari (Italian)
Volcanic eruptions at the rate of the lunar phases (English)
New  Are there other volcanoes with this kind of correlation?
Yes ! Since September 2007 there is a second one! It is Ruapehu, in northern island of New Zealand which also seems to be sensitive to the moon. See 'For Science' January 2019 No. 495. And also:
Source : Géothermie
(But picture modified by us)

Structure de la Terre
So we have only one terrestrial volcano showing a cyclical activity, but what about the underwater volcanic ?
We assume that the tides are active in the Earth's core.
The underwater volcanoes have a significant difference with the continental volcanoes, it is the thickness of the crust that separates the mantle. It is about 5 km for the first one and about 30 Km for the second one. So, the former are very poorly insulated of the largest and most active magmatic chamber (mantle and core)! therefore tides do not or rarely affect continental volcanoes, while the underwater volcanoes, they can be much more effective. Do not forget that in the core, the magma has a viscosity equal to that of water.
And all this happens out of sight of poor humans that we are!
What periods should we expect?
  1. The lunar cycle 2 x 14 days already detected in Stromboli
  2. The cycle of 11.8 years which is the period of revolution of Jupiter and also the real solar cycle as we have shown here.
  3. The other planets should not have a significant effect in view of their masses and their distances.
In the meantime we can only hope that the teams working on the measurement of sea levels continue long enough, at least two solar cycles to possibly bring up this cycle of 11.8 years.
Also hope that research, as exhaustive as possible, be conducted to locate and monitor any volcanic activity of the ocean floor.

Conclusion :  The sea level also depends on the underwater volcanic activity of the oceans.
Heating the ice, below Greenland.
Glace à la base du groenland


  New   The number 480 issue of the French review "La Recherche", published in October, 2013, learnt us that the stream of internal heat of the Earth melt the ice, below Greenland, where the continental crust is the thinest!
It confirms the hypotheses concerning the importance of the thickness of the Ground crust that we had formulated higher.
We can note that this phenomenon is totally independent from an anthropological climatic warming.

Heat flow from Earth's mantle contributes to Greenland ice melting
Heat flux variations beneath central Greenland’s ice due to anomalously thin lithosphere (Nature)

Documents :
  1. Submarine volcano (French)
  2. Sismicité de la Dorsale Médio-Atlantique dans la région MoMar à l'échelle régionale observée par des hydrophones autonomes - Nuno Mendes Simão
  3. Hydrothermal vents map
  4. Hydrothermal vents
  5. Tides control the geysers of Enceladus
    An observed correlation between plume activity and tidal stresses on Enceladus
  6.   §  L'élévation du niveau des mers - Société de Calcul Mathématique SA - (Bernard Beauzamy)

Creation date : 25/02/2013
Last release : 12.28.2018

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