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SamOgasco:





Oshare mavo?

mechanics:
It was not APC that cause the problem, read very well.

emmanuelpopson:
the.plates are moving and..the African craton may not be stable as we were once told... maybe its the beginning of the west African rift system...


modified..

reading this info just makes me.laugh... so borehole drilling is the cause of this seismic scare... when govt agencies are been run by padi padi people, they put round pegs in square holes... boreholes are vertically dug under the subsurface..and they can only be dangerous to cause earth quake IF Nigeria is under a subduction zone. zones where the plates are weak and move everytime...but we aren't.. these people wanna chop money for the buhari govt so they come out with panic information to make govt procure these seismic equipments and abuje been the rich mans environment will comply asap...

elgramz:
Oh my God, please not in Ogun, thousands of headless bodies will be thrown up by the earthquake, it will be a horrible sight

Icon4s:



I can see you are a Geologist. So lets talk Geology.

It is true that we were taught that much of the African Plate is Seismically stable especially our part of the plate. Where are the seismically active zones? The Plate boundaries. Are we at or close to any major plate boundaries ? No.

Now, I would personally use the word ''Passive'' to describe the Seismicity of much of Nigeria particularly where we have the basement complex. Why ''Passive''. There are strike slip faults that exist within the Ibadan Unit and North Central Basement complex. Faulting is an indication of seismic activities. It simply means those zones were once seismically active before gaining equilibrium. When something is passive it simply means it was once active in times past and can become active at any time in the future. We could be close to that future as we are already begining to see indications from Ogun, Oyo (part of the Ibadan Unit) and Abuja and Kaduna (Part of North Central Basement Complex). The case of Bayelsa may just be due to human activities like Oil Exploration and exploitation.


Now, on the issue of indiscriminate sinking of Bore-Holes as a remote cause. It is very possible but not likely a major cause. Bore-Holes no matter how Deep are too relatively shallow for the effect of ground water extraction to cause a major in-balance in the Earth's subsurface. These water are typically found in the interstitial spaces of acquifers. Mother nature has made it such that there is never vaccum. The draw down created by this water extraction will creat a pressure differetial that will allow water to migrate from other areas to fillup the void spaces created by the water being extracted and then also God has blessed us with plenty of Rains even in the Abuja and Kaduna area. This has ensured a continuous recharge of the acquires either directly by infiltration or rise in water table occasioned by rise in River levels. So I Particularly find it disturbing that an agency such as that will put a major blame on bore Hole activities.


And as for the Mpape area where there are quarries for granitic materials used for construction, the quarrying activities may have created an inbalance especially as there is a strike -slip fault passing below the area which could be respeonsible for tremors.


By and large major Earth quarkes are not expected in Nigeria. What we may have are low magnitude Earth-quakes or Tremors.


Now what is your take?
Your pints are valid but I don’t have strength to type... most of my fellow geologist that can provide professional recommendations are presently working in GTBank, Access Bank , FCMB and me myself in Real Estate.

emmanuelpopson:
the.plates are moving and..the African craton may not be stable as we were once told... maybe its the beginning of the west African rift system...


modified..

reading this info just makes me.laugh... so borehole drilling is the cause of this seismic scare... when govt agencies are been run by padi padi people, they put round pegs in square holes... boreholes are vertically dug under the subsurface..and they can only be dangerous to cause earth quake IF Nigeria is under a subduction zone. zones where the plates are weak and move everytime...but we aren't.. these people wanna chop money for the buhari govt so they come out with panic information to make govt procure these seismic equipments and abuje been the rich mans environment will comply asap...

emmanuelpopson:
the.plates are moving and..the African craton may not be stable as we were once told... maybe its the beginning of the west African rift system...


modified..

reading this info just makes me.laugh... so borehole drilling is the cause of this seismic scare... when govt agencies are been run by padi padi people, they put round pegs in square holes... boreholes are vertically dug under the subsurface..and they can only be dangerous to cause earth quake IF Nigeria is under a subduction zone. zones where the plates are weak and move everytime...but we aren't.. these people wanna chop money for the buhari govt so they come out with panic information to make govt procure these seismic equipments and abuje been the rich mans environment will comply asap...

elgramz:
Oh my God, please not in Ogun, thousands of headless bodies will be thrown up by the earthquake, it will be a horrible sight

Baileyz101:
guys.. is this strike affecting banking hall transactions ? kindly quote me pls if u av any knowledge of this.

emmanuelpopson:
the.plates are moving and..the African craton may not be stable as we were once told... maybe its the beginning of the west African rift system...


modified..

reading this info just makes me.laugh... so borehole drilling is the cause of this seismic scare... when govt agencies are been run by padi padi people, they put round pegs in square holes... boreholes are vertically dug under the subsurface..and they can only be dangerous to cause earth quake IF Nigeria is under a subduction zone. zones where the plates are weak and move everytime...but we aren't.. these people wanna chop money for the buhari govt so they come out with panic information to make govt procure these seismic equipments and abuje been the rich mans environment will comply asap...

profmallor:
more of sinkholes coming not earthquakes..

Icon4s:



I can see you are a Geologist. So lets talk Geology.

It is true that we were taught that much of the African Plate is Seismically stable especially our part of the plate. Where are the seismically active zones? The Plate boundaries. Are we at or close to any major plate boundaries ? No.

Now, I would personally use the word ''Passive'' to describe the Seismicity of much of Nigeria particularly where we have the basement complex. Why ''Passive''. There are strike slip faults that exist within the Ibadan Unit and North Central Basement complex. Faulting is an indication of seismic activities. It simply means those zones were once seismically active before gaining equilibrium. When something is passive it simply means it was once active in times past and can become active at any time in the future. We could be close to that future as we are already begining to see indications from Ogun, Oyo (part of the Ibadan Unit) and Abuja and Kaduna (Part of North Central Basement Complex). The case of Bayelsa may just be due to human activities like Oil Exploration and exploitation.


Now, on the issue of indiscriminate sinking of Bore-Holes as a remote cause. It is very possible but not likely a major cause. Bore-Holes no matter how Deep are too relatively shallow for the effect of ground water extraction to cause a major in-balance in the Earth's subsurface. These water are typically found in the interstitial spaces of acquifers. Mother nature has made it such that there is never vaccum. The draw down created by this water extraction will creat a pressure differetial that will allow water to migrate from other areas to fillup the void spaces created by the water being extracted and then also God has blessed us with plenty of Rains even in the Abuja and Kaduna area. This has ensured a continuous recharge of the acquifers either directly by infiltration or rise in water table occasioned by rise in River levels. So I Particularly find it disturbing that an agency such as that will put a major blame on bore Hole activities.


And as for the Mpape area where there are quarries for granitic materials used for construction, the quarrying activities may have created an inbalance especially as there is a strike -slip fault passing below the area which could be respeonsible for tremors.


By and large major Earth quakes are not expected in Nigeria. What we may have are low magnitude Earth-quakes or Tremors.


Now what is your take?

ajl:


Not sure I agree with your point on water from other part of aquifer migrating to an aquifer zone that water is being drawn from. Yes, we know that aquifer water also move by convection or other forms of transport from one point to another but when rate of water extraction exceed the rate of replenishment then the level of water table drops below original level leaving interstitial air-filled pore spaces that are devoid of water. That's the kind of situation the agency is referring to. It's not new. Sane way excessive oil extraction is linked to earthquakes in certain parts of the world.

Let's use this analogy. Which is going to be easier to press down from top by compaction? A square shape sponge that is water soaked or same type of sponge with lot more air spaces?

In a earthquake situation, I am assuming that seismic wave velocity will be faster in rocks with lot of air-spaces than in rocks that is fully saturated with water. Hope that make sense when you think of seismic waves from earthquake or earth tremors epicentre and how it affects areas that are far from the epicenter.

R2bees:
All these things happening in APC era. diaris god oo

obi4eze:
APC is really a curse to this country. We are battling with Buhari, poverty, corruption, insecurity, and now this one.
I just hope the earthquake starts from the residences of the wicked politicians.

DaddyNimo:

stupid agencies, calling landslides earthquake just to prove they are working and sophisticated... bunch of idiots, common pencil they can't produce... they are forming detecting earthquake.