Why thousands of aftershocks of a 1959 earthquake just rumbled through Yellowstone 60 years later
The so-called Hebgen Lake event - a mammoth, magnitude-7.2 earthquake struck there in 1959 and killed 28 people
Strong earthquake again in Zakynthos
The new tremor was 5,6R
5.3 earthquake hits Zakynthos
It is the largest aftershock following last Friday's major earthquake