CBS/AP WASHINGTON – You wont notice it, but the era truly got a tiny small piece shorter since of Fridays giant earthquake inedible the coast of Japan.NASA geophysicist Richard repugnant calculated to Earths rotation sped up by 1.6 microseconds. to is for the reason that of the change appearing in Earths pile caused by the 8.9-magnitude earthquake. A microsecond is one-millionth of a next.