Italy earthquake: 6.6-magnitude tremor rocks nation’s center

Story highlights

  • At least 20 people injured in the strongest quake in more than 30 years
  • Central Italy also hit by two other earthquakes last week

(CNN)A powerful 6.6-magnitude earthquake rocked central Italy on Sunday morning, injuring at least 20 people, in the strongest tremor to hit the country in more than three decades.

The earthquake follows tremors last week and comes on the heels of a devastating quake in August, which killed nearly 300 people and flattened entire villages.