Santorini, the picturesque Greek island known for its stunning views and vibrant tourism, faces heightened concerns following several significant earthquake tremors and landslides. On February 3, 2025, the island experienced tremors reaching magnitudes of 4.9, reminding residents and tourists alike of the geological dynamics at play. Over 200 earthquakes have rattled the region since January 28, prompting the Greek authorities to warn the public.
The sequence of seismic activity has led to the closure of schools and advised locals to stay away from large gatherings indoors. Prime Minister Kyriakos Mitsotakis held emergency meetings to address rising fears, saying, “We have a very intense geological phenomenon to handle. I want to ask our islanders first to remain calm and to listen to the instructions of the Civil Protection.”
Officials have been proactive; residents of Santorini, which boasts around 15,500 inhabitants but attracts millions of tourists annually, are advised to avoid abandoned buildings, coastal areas where landslides could occur, and the ports of Ammoudi and Fira. The Civil Protection Ministry emphasizes safety, stating, “These measures are precautionary, and authorities will remain vigilant.”
The seismic activity has not only affected the immediate vicinity of Santorini but has also reached nearby islands, such as Anafi, Ios, and Amorgos, where similar precautions have been advised. Tourists and locals have reportedly been fleeing the island via planes and boats, leading to increased flights from Aegean Airlines to accommodate travel needs.
The tremors appeared to escalate from earlier activities earlier in the week, where quakes with magnitudes of 4.3 and 3.9 were recorded. The initial fears are rooted in the island’s geological history, marked by the explosive volcanic eruption known as one of the largest in human history more than 3,500 years ago.
Scientific insights indicate the recent tremors are of tectonic origin rather than volcanic. Athanasios Ganas, director of the Geodynamic Institute of the National Observatory of Athens, confirmed this, stating, “The sequence underway north of Santorini has a tectonic origin… the activity has been increasing due to tectonic movements.”
Despite reassurances from experts, the frequency and strength of the quakes created unease among citizens and tourists. Seismologist Costas Papazachos remarked, “This does not necessarily mean there will be a strong earthquake... But we have to take measures.”
Preliminary reports highlight the risks associated with landslides occurring due to seismic disturbances. Video footage capturing landslides on Santorini has heightened these fears, causing significant alarm. The island’s steep cliffs and whitewashed villages, which attract over three million tourists annually, are now under scrutiny as tremors shake their foundations.
Authorities have decided to close schools as safety measures are reinforced. There’s also been advisories on avoiding routes where landslides are more likely. The regional fire department has been placed on high alert, and rescue teams have deployed to the island.
While the tremors sparked panic, geologists are working rigorously to study their origins. Turkish experts also commented on the seismic activity, with Professor Hasan Sözbilir stating, “These earthquakes are not normal,” implying the need for, at the very least, constant monitoring of volcanic activity and assessing risks associated with as many as 400 recorded tremors since late January.
The events have reignited discussions around the safety protocols and response mechanisms for earthquake-prone regions, with the Greek government expressing commitment to the safety and welfare of both residents and visitors. Emergency alerts have been issued, indicating the potential for rock slides, and residents have been warned to stay vigilant.
Over the last few days, urgent alerts have sounded on the island, broadcasting warnings about the possibility of landslides. Locals reported hearing loud rumblings, adding to the anxiety surrounding the geological instability. Emergency teams have set up bases close to the main hospital on the island and are working non-stop to assess risks and aid those most affected.
With the tremors persisting and experts urging caution, the Greek government has advised the public to remain calm and follow official instructions attentively. The primary advice is clear: prioritize safety, heed evacuation orders, and stay informed. The call for calm also extends to tourists who flock to the island, ensuring their safety during this turbulent period.
The situation remains dynamic, with authorities closely monitoring the conditions on the ground as they remain prepared for any eventuality. While seismologists are analyzing this series of tremors, the overarching message from Greek officials is about vigilance. Santorini, with its storied geological past, continues to be under watch, and its unique beauty reminds everyone why these events are taken seriously.