SANTORINI, Greece — Emergency crews have been deployed on the volcanic island of Santorini and schools have closed as authorities respond to a spike in seismic activity, commonly referred to as a "quake swarm," which has raised alarms about the potential for a powerful earthquake. Over the past three days, more than 200 undersea earthquakes were recorded, with many reaching magnitudes exceeding 4.5, causing significant concern among residents and authorities alike.

The Greek Civil Protection Ministry emphasized that these measures are precautionary. Minister Vasilis Kikilias stated, “We urge citizens to strictly adhere to safety recommendations to minimize risk,” following an urgent government meeting. Precautionary measures have also extended to several nearby Aegean islands, including Amorgos, Anafi, and Ios, where schools were closed and residents were advised to remain vigilant.

Despite assurances from experts that the recent tremors are not directly related to the dormant volcano on Santorini, the increasing frequency and intensity of the quakes has unsettled both locals and tourists. The area experienced a significant quake of magnitude 4.6, according to reports by India Times, with notable clusters forming between Santorini and neighboring islands, prompting detailed monitoring from geologists.

Local resident Michalis Gerontakis, director of the Santorini Philharmonic Orchestra, expressed the anxiety pervading the community, remarking, "I have never felt anything like this and with such frequency — an earthquake every 10 or 20 minutes." This unease led many residents to seek refuge outdoors or to travel to nearby islands, while emergency services set up staging areas for potential evacuations.

The tourism impact of these events cannot be understated; Santorini is a premier tourist destination attracting upwards of 3.4 million visitors annually, celebrated for its stunning vistas and unique architecture formed by a historic volcanic eruption over 3,500 years ago. The economic implications of a devastating earthquake could be severe for Greece's tourism-dependent economy.

Authorities have advised both residents and visitors to avoid large indoor gatherings and instructed hotels to drain swimming pools to prevent structural damage. Firefighters and rescue teams have been dispatched, including a specialized team with rescue dogs to assist in ongoing safety efforts. Residents have been commended for their cooperation, as many spent the night in their cars due to aftershocks that continued throughout the night.

As concerns grow, prominent Greek seismologist Gerasimos Papadopoulos alerted the public to the potential for a larger seismic event, stating, "All scenarios remain open. The number of tremors has increased, and magnitudes have risen." Local authorities in Santorini’s main town of Fira have prepared emergency gathering points for residents amid ongoing monitoring by experts.

While the future remains uncertain, the response from Greek officials aims to ensure the safety of all on the island, emphasizing the importance of adherence to safety protocols during this perilous time. Authorities continue to work closely with scientists to assess any developments regarding the seismic activity.

For further information, visit HuffPost and Newsweek.