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Originally posted by jadedANDcynical
Are there any other ETS, or slow slip faults in the world?
If so, I tell you what I need to see.
You know that app that shows who's visiting a site on a spinning globe?
Our first results show that on March 8 th a rapid increase of emitted infrared radiation was observed from the satellite data and an anomaly developed near the epicenter. The GPS/TEC data indicate an increase and variation in electron density reaching a maximum value on March 8. Starting on this day in the lower ionospheric there was also confirmed an abnormal TEC variation over the epicenter. From March 3‐11 a large increase in electron concentration was recorded at all four Japanese ground based ionosondes, which return to normal after the main earthquake. We found a positive correlation between the atmospheric and ionospheric anomalies and the Tohoku earthquake.
Originally posted by CLPrime
Originally posted by jadedANDcynical
Are there any other ETS, or slow slip faults in the world?
If so, I tell you what I need to see.
You know that app that shows who's visiting a site on a spinning globe?
From the paper I quoted way back in the day: "ETS events have been recognized in subduction zones around the world."
From Wikipedia: "The first kind of ETS tremors are similar to those observed in the forearc region of southern Japan, and have also been spotted in Alaska, Costa Rica, and Mexico. The second triggered variety has now been seen under Vancouver Island, under Japan, on the San Andreas in California, and under Taiwan."
Unfortunately, I can't help with the rest.
Originally posted by Honor93
reply to post by megabogie
ok guys, not only do i find the antipode correlation strange ... but i landed in the middle of the sea too ... so, i loooooked harrrrder and this is some of what i found ...
closest antipode region to Afghanistan is ... duh, duh, duh ... the Falkland Islands.
yes, in the middle of the ocean ... BUT
are you aware of what Else is going on in the Falklands ???
perhaps we should indulge further, here's why
Link 1
Tim Bushell, Chief Executive of FOGL, said, "The Toroa exploration well was the first well in a previously undrilled frontier basin and although the outcome was disappointing the full analysis of the data has provided encouragement. The mid Cretaceous and Tertiary plays are entirely unaffected by the result and we are pursuing these in 2011. As such we have decided to undertake further site surveys in the now 100% owned southern license area. In the meantime, we continue to work to secure a suitable deepwater rig and negotiations are currently underway."
if you follow the story, SEVERAL shale plays are in motion ... we all know where that leads, right?
here's more:
link 2
The most encouraging CSEM anomalies have been identified over the following 7 prospects: Loligo, Garrodia, Nimrod, Caird, Toroa, Lutra and Undine. These prospects also benefit from seismically derived direct hydrocarbon indications. All of these features could contain large amounts of oil and gas, with individual prospects containing potential recoverable volumes (mean un-risked resources) ranging up to 3,500 million barrels. FOGL has focussed its work during the last year on a shortlist of ten prospects, which promise to offer the lowest exploration risk and largest resource volumes. This prospect inventory has the potential to hold, on a cumulative basis, in excess of 10 billion barrels oil equivalent (mean, un-risked resources). In addition, FOGL has identified over 90 other leads, which are not included in this estimate.
** emphasis mine
now, i'm not sure by any stretch of the imagination if this is what Mike references, however, it is certainly worth looking into further.
Not far from this patch of land soon to be exploited is the South Sandwich Islands.
and for those paying attention, seismic adjustments are frequently recorded there.
Also notice, these are not deepwater OIL wells but Hydrocarbon/shale plays ... like Arkansas only much deeeeeeper, more mysterious (due to lack of evaluation and failure of initial well - see above links), unproven, seismically active and wow ... wowowow
i hope i'm really out in left field with this one but by the coordinates and suggested search parameters, this is some of what i've found.
can anyone imagine a disaster like the GoM x50 or so ???
if the GoM rigs are threatened by wind and rain ... what kind of damage do YOU think the region would be likely to produce ??
cue the teammates, please
Yes, the antipode is also, but it's more concentric.
Originally posted by jadedANDcynical
Tidbit for consideration:
Our first results show that on March 8 th a rapid increase of emitted infrared radiation was observed from the satellite data and an anomaly developed near the epicenter. The GPS/TEC data indicate an increase and variation in electron density reaching a maximum value on March 8. Starting on this day in the lower ionospheric there was also confirmed an abnormal TEC variation over the epicenter. From March 3‐11 a large increase in electron concentration was recorded at all four Japanese ground based ionosondes, which return to normal after the main earthquake. We found a positive correlation between the atmospheric and ionospheric anomalies and the Tohoku earthquake.
Report at Cornell University
It's downloadable if you want to read the whole thing.
One study looked at over 100 earthquakes with magnitudes of 5.0 or larger in Taiwan over several decades. The researchers found that almost all of the earthquakes down to a depth of about 35km were preceded by distinct electrical disturbances in the ionosphere.
It boils down to the idea that when rocks are compressed - as when tectonic plates shift - they act like batteries, producing electric currents.
When they travel to the surface of the Earth, the surface becomes positively charged. And this charge can be strong enough to affect the ionosphere, causing the disturbances documented by satellites.
a small Israeli company named Terramoto has recently proposed a three stage method which its inventor, Meny Nachman, believes will not only help predict earthquakes with very high accuracy but also be able to stop some of them from occurring altogether
Using drilling equipment (again borrowed from the oil industry) extract a sample of the rock and evaluate its strength, and combined with the ultrasound scan determine its size and shape. This data is then used to create advanced mathematical models that can predict how much pressure the rock could endure before succumbing to the sheer force of the tectonic plate. The amount of pressure built up can be a good indication of the possible force of the earthquake that can be unleashed when the rock eventually shatters.
When a high-magnitude earthquake has been predicted it is possible to drill up to 10 kilometers inside the ground and place explosives inside the rock in order to perform a series of controlled blasts to weaken the rock, gradually relieving the built-up energy accumulated over the years.
The idea behind the system is not entirely new, and although there are some technological obstacles in the way, the main reason such systems have not been implemented in the past are more political then technological.
1. Stress changes caused by large earthquakes may either compress or expand nearby magma reservoirs. In the former case, the compression could increase the reservoir pressure, while in the latter case, the expansion could cause tensile (opening) fractures, around the reservoir. Either way, conditions promoting eruption may become more favorable after a large nearby earthquake.
2. High amplitude seismic waves passing through a magma reservoir may cause the nucleation of bubbles within the magma and/or the disturbance of previously stable layers within the reservoir. Bubble creation can increase magma pressure, and layer destabilization can cause reservoir “overturn” where dense layers of relatively gas-poor magma sink forcing gas-rich magma to rise. Either of these events could prompt an eruption.
emphasis mine
Resonance requires 3 basic conditions:
A) An Object With a Natural Frequency: The object can be a mechanical device or an electronic circuit. An object's natural frequency is the frequency it tends to oscillate at when disturbed. The oscillation can be a mechanical vibration as is the case when the string of a guitar is strummed. In an electronic circuit the oscillation is a variable voltage or current. An object can have more than one natural frequency. These are called harmonics. A guitar string sounds musical because it vibrates with several harmonics when it is strummed.
B) A Forcing Function at the Same Frequency as the Natural Frequency: In mechanical systems the forcing function is a variable force. In electronic circuits it arises from a variable electric field. In either case the forcing function does work on the object it is applied to. Since work is a form of energy transfer it causes energy to build up in the object.
C) A Lack of Damping or Energy Loss: For an object to resonate, mechanical or electrical energy has to build up in the object. Anything which removes these forms of energy tends to interfere with resonance. Damping is a means of removing electrical or mechanical energy by converting it to heat. The term damping should not be confused with the term dampening which means to make something slightly wet. Friction, air resistance, and viscous drag can all provide damping in mechanical systems. Electrical resistance performs the same function in electronic circuits. Other forms of energy loss can include sound (musical instruments) or light emissions (lasers).