On Sept. 18, NASA’s InSight lander celebrated its 1,000th Martian day, or sol, by measuring one of the biggest, longest-lasting marsquakes the mission has ever detected. The temblor is estimated to be about a magnitude 4.2 and shook for nearly an hour-and-a-half.
Click here for original story, NASA’s InSight finds three big marsquakes, thanks to solar-panel dusting
Source: Phys.org