How do tidal waves affect earthquakes?

How do tidal waves affect earthquakes?

“The explanation was not clear to all, according to the traditional theory,” said Christopher Schulz, a seismologist at the Lamont-Doherty Earth Observatory at Columbia University, that the earthquakes occur at high tide. ”

In a recent study, Schulz and his colleagues discovered the mechanism of this strange paradox, where it comes to the magma below the middle hills of the oceans and what happens to them.

Schulz, who co-led the study, said the focus of magma is expanding and shrinking due to tides, which makes earthquakes happen.

The low-tide relationship with the earthquakes is due to the way the mid-ocean error moves. Schulz described the defect as a sloping plane separating two blocks of earth.

Scientists have predicted that when the tides rise, there is more water above the fault, so the upper mass moves downward and causes earthquakes, but that is not what happens.

Instead, the defect slips during the low tide.

The team realized that when the tide is low, there is less water on the rift, and therefore the surrounding rocks strain, forcing the lower mass to slide upward and cause earthquakes in the process.

Read also: “Volcanic” tsunami kills more than 60 people in Indonesia

 

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