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Earthquake 6.6R caused soil deformation in Kos, subsidence and uplift in Kara Ada

The powerful earthquake that stroke with a magnitude of 6.6 R caused distortions of the geological morphology on the island of Kos and the small Kara Ada islet outside the port of Bodrum in Turkey.

Experts from the Remote Sensing Research Team of Harokopio University in Kallithea, Athens, found out that the earthquake caused

  • soil subsidence of 3 cm in the south part of Kara Ada, while the north part was uplifted 10 cm. Kara Ada has a length of 6 km.

picture from daily Ta NEA: star = earthquake epicenter close to Kara Ada islet via Skai.gr

According to the same processed data obtained by the European Space Agency

  • a soil deformation of 4 cm has been observed in the city of Kos

More than 400 aftershocks occurred between Friday morning (21. July 2017) and Monday noon (24. July 2017).

The strongest aftershock with a magnitude of 4.8R occurred a couple of hours after the main earthquake at 1:31 a.m.

More than 180 aftershocks with magnitude higher of 3R have occurred.

Schermafbeelding 2017-07-21 om 04.26.45

Overview map with shaking values – via EarthquakeReport

Schermafbeelding 2017-07-21 om 05.53.51

The earthquake left behind 2 dead on Kos and more than 450 injuries on Kos and Bodrum.

As normality turns to the islands, inspector teams have declared a total of 45 buildings as “uninhabitable.”

Highest priority of the Greek authorities is to restore the damages at the main port of Kos that suffered the biggest damage.

Reconstruction works are expected to begin in the less damaged part of the port.

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