Mars probe records a big hour-and-a-half Martian quake - Mashable
NASA recently reported that its InSight lander — sent to observe geologic activity beneath the Martian surface — recorded one of its biggest quakes yet on Sept.The agency also noted that the 4.2 quake was the third "major" quake InSight has observed in the last month.Though NASA researchers are still studying the recent September quake, they've found the August marsquakes occurred far off, much farther than where the other quakes originated in the plains of Cerberus Fossae.And InSight recorded some major Martian quakes