As InSight winds down, NASA now says that the lander may have captured the biggest marsquake ever recorded on the Red Planet.
Geophysical Research Letters
suggests that InSight captured the biggest marsquake ever recorded earlier this year. The paper, which studies the discovery in-depth, was published in December 2022 and claims that the new marsquake which InSight detected in May 2022 was five times larger than the previous record holder. Late on the Earth night of May 4, which is Sol 1222 on Mars, researchers say that NASA’s InSight Lander detected a massive marsquake with a shocking 4.7 magnitude. This new record holder, the researchers say, was five times more powerful than the previous record holder, which only had a magnitude of 4.2., which is set to die any day now, recorded the biggest marsquake ever back in May.
While a marsquake with a magnitude of 4.7 isn’t exactly on par with the most powerful earthquakes we’ve seen, the makeup of the Red Planet means that the vibrations from the quake were felt for hours, with reverberations being picked up long after the quake itself ended. What makes this marsquake so intriguing, and perhaps the biggest marsquake ever recorded, though, is the fact that the energy from it is equal to the energy of all the other marsquakes that InSight has recorded on the Red Planet. As such, it has become a focus for researchers on two different papers, one
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