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Unlike Earth, the moon doesn't have tectonic plates, instead, the moon's tectonic action takes place as the moon slowly loses heat from its formation, which occurred about 4.5 billion years ago, and this heat loss causes the moon's interior to get smaller, crinkle the lunar surface, and form distinctive features, including those pointed out in the study. As a result, the Moon has become about 150 feet (50 meters) "skinnier" over the past several hundred million years. When a cold and brittle object like the Moon shrinks its surface breaks and develops thrust faults where one part gets elevated as compared to the surrounding area.

"NASA analysis gives the first evidence that these faults are still active and likely producing moonquakes today as the Moon continues to gradually cool and shrink", said Thomas Watters. Each of the magnitudes of the 28 moonquakes would register as somewhere between two and five on the Richter scale if they had been carried out on Earth. These faults resemble small stair-shaped cliffs, or scarps, when seen from the lunar surface; each is roughly tens of yards high and a few miles long.

Using algorithm, scientists detected eight of the 28 shallow quakes within the range of 30 kilometers (18.6 miles) of faults visible in lunar images.

It's believed these slip-events - much like landslides - were caused by additional tidal stress heightened by the Earth's gravity.

Moonquakes are also corroborated from the highly detailed images of the Moon taken by NASA's Lunar Reconnaissance Orbiter (LRO) mission.

The recent research has been all about drawing a direct connection between the quakes and the "staircase on the Moon".

NASA is getting more money for its upcoming moon mission thanks to a budget increase.

Somebody alert Jeff Bezos: The Moon is shrinking.

"We found that a number of the quakes recorded in the Apollo data happened very close to the faults seen in the [NASA's Apollo and Lunar Reconnaissance Orbiter missions] LRO imagery". For example, bright patches of ground have been observed near faults, which appear to be patches of lunar regolith that have yet to be darkened by weathering and radiation. And if we're planning to built outposts on the Moon, we'll probably want to know a bit more about these moonquakes.

Back in March, the Trump administration declared that it was directing NASA to send humans back to the Moon no later than 2024.

On Monday, Mr Trump tweeted: "Under my Administration, we are restoring @NASA to greatness and we are going back to the Moon, then Mars".

Watters and his team agree that more data is needed to confirm their finding, and hope that future missions to the moon will set up a high-quality network of seismometers and other equipment to determine if the moon is still restless.

At the time, NASA Administrator Jim Bridenstine assured Pence that NASA would work hard to meet the deadline, expressing confidence that the SLS, or Space Launch System, would be ready for the job.


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