Home Physics New facts about the reason behind low tides triggering earthquakes revealed

New facts about the reason behind low tides triggering earthquakes revealed

The researchers had come up with the reason for the uptick in earthquakes when low tides take place.

A long time ago, scientists came up with some facts about the earthquakes which take place in the mid-ocean ridges. The tectonic plate which is on the underwater ranges had a connection with the low tides.

Christopher Scholz, who is a seismologist at Columbia University, U.S said that:

 “Everyone was sort of stumped because according to conventional theory, those earthquakes should occur at high tides.”

A study was published in the Nature Communication journal which reveals the truth about the paradox of seeming and the magma which is under the ridges of mid-ocean.

Scholz is co-leading this project with a graduate student named Yen Joe Tan. Scholz stated that:

“ It’s the magma chamber breathing, expanding and contracting due to the tides, that’s making the faults move.”

The low tide phenomenon is quite shocking because of the movement of the mid-ocean fault.

Scholz has already described the fault as a titled plane, which is the reason behind the separation of two blocks of earth. When the movement occurs, the upper block goes down sliding beneath the lower one.

Scientists have already told us the facts about the high tides. When the high tides take place, the water, which was situated on the top of the fault, creates a force on the upper block. So the upper block creates the earthquake.

But this is not the thing which happens. When the fault starts slipping down on the time of low tide, there is some force which is pulling upward, “which is the opposite of what you would expect”- explained by Scholz.

To solve this mystery, researchers along with Fabien Albino of the University of Briston has started studying about the axial volcano with Juan de Fuca ridge which is situated in the Pacific ocean.

After long research, they have realized that on a low tide, the water sitting on the top of the chamber is very low. So for that reason, it starts to expand.

When it starts to puff, the strain around the rocks increases. It creates a pressure on the lower block which helps to slide up the block. That’s how the earthquake takes place.

Scholz has already mentioned on:

 “The tidal earthquakes in this region are so sensitive that we can see details in the response that nobody could ever see before.”

When the researcher’s team started charting the earthquake rate and the stress, they came to know that very small stress can create an earthquake.

Scholz stated that:

“Our point is there is no intrinsic stress that has to be exceeded to cause an earthquake. There isn’t any rule of thumb.”

Source

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Girish Vidhani
Girish Vidhani is the Founder and CEO of Indian Science. He manages the entire blog. He updates blogs whenever and wherever required. He has previously worked at various local media agencies. To get in touch with Girish for news reports you can email him on [email protected] or reach him out on social media linked below.

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