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5.1 magnitude earthquake strikes Aegean Sea amid ongoing seismic activity

Photo shows a seismometer printing line records earthquake tremors. A seismometer printing line records earthquake tremors on white paper, Aceh, Indonesia. (Photo via Shutterstock)
By Newsroom
Feb 10, 2025 1:17 AM

A series of earthquakes continues to rattle the Aegean Sea, with the latest tremors registering magnitudes of 4.6 and 5.1, striking back-to-back on Sunday evening at a depth of 7 kilometers (4.3 miles).

According to Türkiye‘s Disaster and Emergency Management Authority (AFAD), a 5.1-magnitude quake was recorded 10 minutes after a 4.6-magnitude tremor in the same area.

Since seismic activity began on January 28 in the Santorini-Amorgos region, more than 9,000 earthquakes have been recorded, sparking concerns over the possible reactivation of the submarine Kolumbo Volcano, located between Santorini and Amorgos.

Santorini and Amorgos islands
Undersea and subsurface models of the area between Santorini and Amorgos islands where seismic activity occurs. (Photo via X / @okangeo)

Santorini evacuated

The island of Santorini, home to 15,000 people, has been largely evacuated, leaving only a few thousand residents behind.

Meanwhile, a recent report by Middle East Technical University (METU) researchers highlights critical findings regarding tsunami risks in Santorini and the Aegean Sea.

It warns of the possibility of significant wave heights in certain areas around Santorini, Amorgos, Astypalaea, and Anafi islands. These heightened risks are tied to ongoing seismic activity in the region that began on Jan. 28.

Last Updated:  Feb 10, 2025 10:54 AM