The greatest Marsquake ever has been recorded by NASA’s InSight lander.
Any Martians reading this should practise ducking and covering. According to NASA’s Jet Propulsion Laboratory in Pasadena, California, the Red Planet was jolted by a magnitude 5 temblor on May 4, the greatest Marsquake yet detected. The tremors lasted more than six hours and unleashed more than ten times the energy of the preceding quake. … Read more