After the Hatay earthquake, it came to the agenda whether there would be a tsunami. After the earthquake of 6,4 and 5,8 magnitudes, AFAD responded to the claims that “there may be a tsunami” shared on social media platforms after the earthquake that caused severe destruction in our country. So what is Tsunami? How is the tsunami, how many meters, what events occur as a result?
Tsunami Warning Removed After 2 Hours
Vice President Fuat Oktay said in a statement at around 21.45 that the tsunami warning given by the Kandilli Observatory was a precautionary procedure after an earthquake of this magnitude, and that the warning was lifted 2 hours later.
In the post shared on AFAD's social media account, the following was noted: "The warning for the precautionary sea level rise, after the Kandilli Observatory's warning after the earthquakes in Hatay, was removed as a result of the evaluations made with the Kandilli Observatory."
What is Tsunami?
"Tsunami" means "Harbour Wave" in Japanese sözcüA tsunami is a long oscillating giant sea wave that occurs due to energy passing into the sea as a result of tectonic events such as earthquakes, volcanic eruptions and related collapses, and ground slides that occur at the bottom of the deep ocean or seas. Tsunami, which is in the call for help to the world after the Great Melji Tsunami, which killed 1896 people in Japan in 21000, sözcüSince this date, it has entered the literature of world languages.
Tsunamis are very common in the Pacific Ocean and rarely seen in other oceans and seas. The tsunami, which is formed as a result of the breaking of the oceanic crust, is as high as a human in the open ocean and has a wavelength of hundreds of kilometers. Tsunami's difference from other tides or waves is that it gains movement as a result of drifting water particles.
Tsunami Causes
The main production mechanism of a tsunami is the displacement of a significant amount of water or disruption of the sea.[21] This displacement of water is often due to earthquakes, landslides, volcanic eruptions, glacial calving or, more rarely, meteorites and nuclear tests.
Tsunamis can occur when the seafloor suddenly deforms and vertically displaces the overlying water. Tectonic earthquakes are a specific type of earthquake associated with the Earth's crustal deformation; When these earthquakes occur under the sea, the water above the deformed area moves out of its equilibrium position. More specifically, when thrust faults associated with convergent or plate tectonics boundaries move abruptly, causing water displacement due to the vertical component of the associated motion, a tsunami can occur. Movement on Normal (Extensional) faults can also cause seafloor displacement, but only the largest such events (typically related to outer trench swelling) are the 1977 Sumba and 1933 Sanriku events.
Tsunamis have a small wave height at sea and a very long wavelength (usually hundreds of kilometers long, normal ocean waves only have a wavelength of 30 or 40 meters), so they usually pass unnoticed at sea and are usually about 300 millimeters (12 inches) above the normal sea surface. They form a slight swelling on it. A tsunami can occur at any low tide and can flood coastal areas even at low tide.
Will there be a tsunami in Turkey?
According to the researches of the Kandilli Observatory, more than 8300 tsunamis have occurred in the last 3000 years in our country, which has a coastline of more than 90 km.
The available data show that tsunamis occurred as a result of earthquakes in Istanbul in 1509 and 1894, in Amasya in 1598, in East Marmara in 1963, in Erzincan in 1939, and in Bartın in 1968.