Experts say the Greek island of Santorini has been hit by more than 1,000 earthquakes, but they're not linked to the region's active volcanoes.

Earthquakes rattled Greece’s volcanic island of Santorini every few minutes through the night and into Wednesday as authorities bolstered their emergency plans in case the temblors are a harbinger of a larger quake to come.

Greece is preparing for any scenario but experts are optimistic about the tremors that triggered an exodus of residents and visitors from the Aegean Sea island of Santorini.

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.

Thousands of people evacuated Santorini after a series of earthquakes in recent days hit the picturesque Greek island with fears of additional tremors.

The strongest earthquake recorded was magnitude 4.6 at 3:55 p.m. Sunday, at a depth of 14 kilometers (9 miles), the Athens Geodynamic Institute said.

Thousands of people fled the Greek island of Santorini by sea and air for a third day on Tuesday, as more earthquakes shook the top travel destination.Some 7,000 people have left the island, known for its spectacular cliffside views and dormant volcano,