Three major earthquakes were detected on Mars last month by the National Aeronautics and Space Administration (NASA) Insight spacecraft, one of which caused the surface of Mars to vibrate for about an hour and a half. DPA news agency reported on Wednesday.
On Wednesday, NASA said the first two defeats on August 25 had magnitudes of 4.2 and 4.1.
However, the longest earthquake measured by the Insight spacecraft occurred on September 18 – the spacecraft’s 1,000th day on Mars – when shocks with a magnitude of 4.2 shook its surface for about 90 minutes.
The stable InSight spacecraft landed on Mars in 2018 and is exploring seismic waves to learn more about the red planet’s internal structure — which in turn will help scientists better understand how planets form.
NASA said the September 18 earthquake is still being studied, but much is already known about the August events.
For example, the August 25 earthquake of magnitude 4.2 occurred about 8,500 kilometers from the Insight spacecraft – the most distant earthquake the spacecraft has detected to date.
The type of the two August earthquakes differed. “The earthquake of magnitude 4.2 was dominated by slow and less frequent episodes, while the earthquake of magnitude 4.1 was characterized by rapid and frequent episodes,” NASA said.
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