A magnitude 4.8-earthquake has struck 82 km NW of Athens, Greece, according to seismologists.
The earthquake struck at about 6:02 a.m. local time on Sunday and was located at a depth of 10 km. It was also centered 20 km S of Livadeia, Greece. (source)
Reports from those who felt the earthquake referred to it as a strong shake, but short. According to EMSC, over 3 million people likely felt the earthquake.