The 1999 Düzce earthquake occurred on 12 November at 18:57:22 local time with a moment magnitude of 7.2 and a maximum Mercalli intensity of IX (Violent), causing damage and at least 845 fatalities in Düzce, Turkey. The epicenter was approximately 100 km (62 mi) to the east of the extremely destructive 1999 İzmit earthquake that happened nearly three months earlier. Both strike-slip earthquakes were caused by movement on the North Anatolian Fault.
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👉 1999 Düzce earthquake in the context of Düzce Province
Düzce Province (Turkish: Düzce ili) is a province in northwestern Turkey. The province is on the coastline of the Black Sea and is traversed by the main highway between Istanbul and Ankara. The primary town is Düzce, located in the center of the province. There are ancient Greek ruins in the province. Düzce separated from the Bolu province and became a province in its own right after a devastating earthquake in the city in November 1999. Its area is 2,492 km, and its population is 405,131 (2022).
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1999 Düzce earthquake in the context of 1939 Erzincan earthquake
An earthquake struck Turkey's eastern Erzincan Province at 1:57:23 a.m. on 27 December 1939 local time with a moment magnitude (Mw ) of 7.8 and maximum Mercalli intensity of XII (Extreme). It is tied with the 2023 Turkey–Syria earthquakes as the most powerful earthquake in Turkey to be recorded by instruments. However, it was less powerful than estimates of the 1668 North Anatolia earthquake. This was one of the largest in a sequence of violent shocks to affect Turkey along the North Anatolian Fault between 1939 and 1999. Surface rupturing, with a horizontal displacement of up to 3.7 meters, occurred in a 360 km long segment of the North Anatolian Fault Zone. The earthquake was the most severe natural loss of life in Turkey in the 20th century, with 32,968 dead, and some 100,000 injured.