
The origin of the Santorini seismic swarm was 4 km below its surface
The clifftop town of Oia in the Santorini caldera, Greece, taken on February 11, 2025 during the earthquake swarm. Credit: Savvas/Karmaniolas NurPhoto via Getty Images Earlier this year, more than 28,000 earthquakes hit the Greek island of Santorini in a crisis that lasted from late January to March. Now, geological analysis reveals that the swarm…