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Earthquake geology expert Dr. Ramazan Demirtaş shared his assessments on social media following the earthquake that occurred in the Kale district of Malatya.
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Dr. Demirtaş stated the following:
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On the Kale segment of the Yeşilyurt-Kavaktepe fault zone (Çöşnük fault), a left-lateral strike-slip fault zone approximately 150 km long consisting of at least 5 segments extending between Yeşilyurt-#Malatya south-Kavaktepe-Keban Dam, near Kale (#Malatya),
a Mw=6.0 #earthquake occurred on 16.10.2024 at 10:46.
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REMINDING OF 2023
Regarding the Yeşilyurt-Kavaktepe fault zone, particularly at its western end, around Yeşilyurt and Öncü:
Earthquakes ranging from 4.0 to 5.3 occurred between August 10-24, 2023; an earthquake of Mw=4.3 occurred on October 09, 2023; an earthquake of Mw=5.2 occurred on January 25, 2024; and an earthquake of Mw=5.3 occurred at the eastern end on December 27, 2020.
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Prof. Dr. Şener Üşümezsoy, on the other hand, stated that the earthquake is not related to the February 6 earthquakes centered in Kahramanmaraş, noting that this was an expected earthquake.
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Prof. Dr. Üşümezsoy said the following:
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In the 6.8-magnitude earthquake that occurred in Sivrice in 2021, a fault line was ruptured that started from Sivrice Lake and extended to Doğanyol and Pötürge.
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However, while the rupture centered in Doğanyol relieved the stress in Sivrice, the displacement in the section extending toward Palu was very low,
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This also meant that the stress was very low. I had emphasized that there would be a subsequent rupture on the fault here. We called this a dog-tail type rupture.
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In a dog-tail type rupture, the stress accumulated on the fault had been fully released in a certain northern section, but due to the downward descent of the tail, the stress release decreases gradually.
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That is why I had emphasized that the fault could rupture with an earthquake close to 6.5 in Pötürge. Instead of a rupture on that fault, earthquakes of around 5.4 occurred toward Battalgazi and Kale.
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This earthquake was not a continuation of the February 6 earthquake, but rather a phenomenon that was a continuation of the Sivrice earthquake. Three separate faults ruptured during the February 6 earthquake.
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What happened here is the Sivrice Fault, which we have been expecting from the beginning, ruptured, but it did not fully release its stress; however, the earthquake to the north of this, which runs parallel to the Pötürge fault, is a section of that in Pötürge.
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It is not connected to February 6.
News Source : 12punto