According to Lekkas, the phenomenon is still unfolding, and there is a real risk it could expand.

Professor Efthymios Lekkas is expected in Voutes, Crete tonight to investigate cracks in roads and around ten homes, stretching over a 150-meter length, as the possibility of declaring the village under a state of emergency is considered

In response to Santorini’s strongest tremor yet—a 5.3-magnitude earthquake—Greek seismologists agree that it is too early to say seismic activity is subsiding.

Lekkas added that construction in the caldera continues to expand downward, despite a law intended to ban construction on public land, which was supposed to pass through Parliament but never did.

"Only earthquake-resistant construction can save us," Karydis stated.

Greece's PM will hold an emergency meeting about the quakes near Santorini, as experts warn a stronger tremor can't be ruled out.

The President of the Earthquake Planning and Protection Organization (OASP) and Professor of Natural Disaster Management, Efthymios Lekkas, was reassuring stating that there was no serious cause for concern.

If the signal manages to arrive first and we perceive it, then we can take basic protection measures