nuclear bomb earthquake

Did a Nuclear Bomb in Philippines Sea Cause Earthquake?

Could a One-Megaton Nuclear Bomb that was lost in the Philippines Sea have caused an earthquake and a tsunami?

Last week we published an article about a One-Megaton Nuclear Bomb that was lost in the Philippines Sea, this got a friend of ours thinking if it could have caused as earthquake if it went off.

Doing some research he discovered that there was an earthquake not far from where the nuclear bomb was lost and it happened 2 years 5 months after the bomb was lost.

We are by no means saying that the earthquake was caused by the nuclear bomb we are just exploring the possibility.

The earthquake was the 1968 Hyūga-nada earthquake off the islands of Kyushu and Shikoku, Japan.

OK, there are a lot of earthquakes around Japan so it could just be a coincidence that it was close to where the nuclear bomb was lost, however, the Hyūga-nada earthquake was unique in the fact it was the strongest ever earthquake recorded in the Hyūga-nada Sea region.

If you look at the image you will see how close the bomb was to the centre of the Hyūga-nada earthquake.

It would have been seen on the surface

You might think that if the bomb had exploded it would have been seen on the surface of the sea. It was something we also thought but after some research, we discovered it would be unlikely to break the surface.

The bomb was or is at a depth 4,938 metres (16,200 feet) below the Philippines sea. At that depth, the water pressure on it would be 500 atmospheres equal to 7347 pounds of force per square inch (psi).

A Nuclear explosion from a One-Megaton Nuclear Bomb produces a blast of 50 psi. So the water pressure is far greater than the pressure from the blast.

The deepest we could find a nuclear weapon had been tested at was at 1,000 metres so they have never been tested at 5,000 feet.

Underwater tests

What underwater tests have discovered is that when a nuclear explosion happens in deep water it forms a flattened gas bubble, this happens because water can not be compressed so it pushes the water out to the sides.

The gas bubble rises but then the pressure of the water above it forces it back down causing it to bounce off the seabed so it rises again. This bouncing happens many times but loses force with each bounce.

With so much pressure above the blast, most of the force would go into the seabed, add to that the energy from the gas bubble bouncing and it puts a huge amount of pressure on the seabed.

If you follow a line from where the nuclear bomb was last to where the earthquake happened you will notice underwater cliffs. The force of the water being pushed sideways by the gas bubble would hit these cliffs and spread north. When it gets to near where the 1968 Hyūga-nada earthquake happened you will notice there is a curve which would trap most of the force of the water being pushed by the gas bubble, putting a huge amount of pressure on the underwater cliff at that point.

Can a nuclear explosion cause an earthquake?

This is an interesting question. At the time when America was carrying out nuclear tests, the experts said a nuclear explosion could not cause an earthquake. However, now it is North Korea carrying out nuclear tests experts claim that the tests carried out by North Korea are causing earthquakes.

So that is not much help because the answer of the experts seem to be more down to agenda than it is down to facts.

What does seem to be sure is a nuclear explosion can not move tectonic plates, it is the movement of tectonic plates that causes most earthquakes.

We also know that fracking can cause earthquakes, at first they thought fracking only caused small earthquakes, but new research is showing that they can be quite large and damaging.

Scientific and government research indicates that fracking can cause earthquakes in two ways:

1. Primarily, during the fracking process: “[Earthquakes] were caused by fluid injection during hydraulic fracturing in proximity to pre-existing faults.”

2. Secondarily, via the disposal of fracking wastewater via underground injection.

We would presume that a nuclear explosion at nearly 5,000 metres deep would do much the same as fracking, it would force water deep into the earth. Also, the gas bubble bouncing would also be forcing water at great pressure into the earth.

If the Earthquake was caused by a bomb they would have known

In this case, they would not have known because only the Americans knew there was a nuclear bomb there. It was not until 1989 the Americas owned up to the fact they had lost a nuclear bomb.

So the only people that could know if it was caused by a nuclear explosion would be America and they would have been unlikely to own up.

We are not saying that the 1968 Hyūga-nada earthquake was caused by the lost nuclear bomb we are just exploring the possibilities.

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