A series of earthquakes have been rattling the volcanic Greek island of Santorini for days, prompting residents to evacuate and officials to quickly strengthen emergency plans. Santorini is one of Greece's most popular tourist destinations,

Tourists continued to flee the Greek island of Santorini on Wednesday — a fourth consecutive day of exodus sparked by a series of earthquakes that have rattled the incredibly popular European vacation destination.

Repeated earthquakes are rattling Greece’s volcanic island of Santorini. Scientists say the quakes aren't related to a slight increase in volcanic activity that has also been registered recently.