23 years have passed since the 17 August 1999 Marmara Earthquake, which was shown as the worst disaster in Turkey’s recent history.

The ground shaking of 7.4 magnitude and lasting 45 seconds, which occurred at 03.02 at night connecting August 16 to August 17 in 1999, was recorded as the second largest earthquake in the history of Turkey.

The earthquake, the epicenter of which was in Kocaeli’s Gölcük district, was felt throughout the Marmara Region.

The earthquake, which occurred with the breaking of the North Anatolian Fault Line, caused loss of life and property in Istanbul, Bolu, Bursa, Eskişehir, Kocaeli, Sakarya and Yalova.

How did the earthquake happen?
The earthquake that occurred in the western part of the North Anatolian Fault Line, which runs through the northern regions of Turkey, started on Tuesday, August 17, 1999 at 03:01 and lasted for 45 seconds.

The epicenter of the earthquake was announced as Gölcük district of İzmit. Its size is also 7.6 on the Richter scale by the US Geological Survey (USGS); It was measured as 7.8 by Boğaziçi University Kandilli Observatory.

However, today, the magnitude of the earthquake is generally accepted as 7.4, which was announced in the first statements, and this measure is used.

The August 17 Earthquake was recorded as the second largest ground shaking in Turkey in terms of its magnitude.

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