According to officials, more than 11,000 people have left Santorini, with around 7,000 departing by ferry and 4,000 people leaving by air. Hundreds of earthquakes have rocked the island, the strongest of which was a magnitude five tremor on Tuesday.

Earthquakes are still rattling Greece’s volcanic island of Santorini every few minutes. The temblors continued through the night and into Wednesday as authorities bolstered emergency plans in case they herald a larger quake to come.

The latest quake took place just after 3 p.m. local time, according to USGS. Start the day smarter. Get all the news you need in your inbox each morning. Data provided by USGS showed the latest earthquake was 6.