A magnitude seven earthquake struck near Yakutat, Alaska, while a magnitude 4.8 earthquake struck near Greece.
Seismic waves are seen on a screen during a demonstration of an earthquake early warning system which triggers sirens if a nationwide network of 120 seismic monitoring stations detects a strong earthquake, at the Geological Survey of Israel in Jerusalem. (photo credit: AMIR COHEN/REUTERS)ByREUTERSUpdated:
