More than a thousand earthquakes have rattled the Greek island of Santorini in recent days, raising concerns about the potential for a tsunami in the Mediterranean region. Emergency officials in Israel reportedly met Wednesday to discuss the region’s tsunami risk in the coming days and weeks.

Earthquakes are still rattling Greece’s volcanic island of Santorini every few minutes as authorities bolster their emergency plans in case the hundreds of temblors in recent days are a harbinger of a larger quake to come.