2019 Istanbul earthquake explained

2019 Istanbul earthquake
Timestamp:2019-09-26 10:59:26
Isc-Event:616505180
Anss-Url:us70005lkl
Local-Time:13:59:26
Magnitude:5.7 Mw[1]
5.8 [2]
Depth:8km (05miles)[3] [4]
Location:40.89°N 28.173°W
Fault:North Anatolian Fault, near Marmaraereğlisi and Silivri[5]
Casualties:1 dead, 43 injured
Damage in 473 buildings

2019 Istanbul earthquake was a 5.8 magnitude earthquake that rocked the south-west of Istanbul on 26 September 2019 at 13:59 local time.[6]

One person died due to a heart attack and 43 people were injured. The earthquake was felt in Istanbul, Tekirdağ, Kırklareli, Kocaeli and Sakarya.[5]

Background

North Anatolian Fault system is a strike-slip fault system located in the northern side of Anatolian Plate, which lies between relatively stationary Eurasian Plate in the north and the Arabian Plate in the south. Approximately 1500 km in length, the North Anatolian fault system passes about 20 kilometers south of Istanbul. Strong earthquakes occur at certain intervals along the fault.

The last large earthquakes in the fault system happened in 1999. In 17 August the earthquake in İzmit (7.4 Mw) killed 17.480 people. In 12 November, another earthquake in the nearby city of Düzce (7.2 Mw) killed 845 and injured 4.948.[7]

Many seismologist agree that there is a very high chance for a 7 or higher magnitude earthquake before 2030; which will be caused by the breaking of the North Anatolian fault line under Marmara Sea, just south of Istanbul.[8] [9] [10] [11]

Earthquake

Three days before the main earthquake, on 23 September, there was a 4.6-degree shock in the south-west of Istanbul. Two hours before the earthquake, at 12:00 noon, a 2.9 earthquake took place in Silivri.

The earthquake happened at 13:59 local time at the western edge of the Kumburgaz section of North Anatolian Fault under the Sea of Marmara, at a depth of 6.99 km[3] as a strike-slip movement.[12] Different sources states the magnitude as 5.7 Mw[1] and 5.8 ML.[2]

Over 300 aftershocks were reported after the main earthquake.[13] [14]

Damage

Schools and hospitals were evacuated after the earthquake. Governor of Istanbul Ali Yerlikaya announced the schools were closed for the day. AFAD suggested not to enter to the damaged buildings. A 4.1 magnitude aftershock was reported 25 minutes after the main shock.[15]

The first announcement by the President Recep Tayyip Erdoğan stated 8 injured.[16] [17] Later announcements stated a total of 43 injured mostly from panic, and one person with known heart illness dead due to a heart attack.[18]

188 aftershocks with maximum magnitude of 4.1 were recorded after the earthquake.[19] A total of 473 buildings were reported as damaged to AFAD.[19]

A minaret of Avcılar Hacı Ahmet Tükenmez mosque collapsed.[5] Three protected old buildings were damaged in Balat, and later demolished by the municipality later in the day.[5] Take-offs and landings to Sabiha Gökçen Airport were temporarily halted, but flight operations resumed after the runway was checked for potential damage and deemed safe.[5]

AFAD reported damage to walls of the city near İstanbul Biruni University, cracks in some buildings in some neighborhoods, damage in two buildings in Sultangazi and Eyüp, and evacuation of a building in Şirinevler.[3]

Mobile phone coverage of Türk Telekom, Turkcell, and Vodafone were interrupted nationwide for some time after the earthquake, while mobile internet services and landlines were not affected.[20] [21]

See also

Notes and References

  1. Web site: M 5.7 – 20km ESE of Marmaraereglisi, Turkey . USGS.com . United States Geological Survey . 26 September 2019 . 26 September 2019.
  2. Web site: Türkiye ve Yakın Çevresindeki Son Depremler . Turkish. Kandilli Rasathanesi . Boğaziçi Üniversitesi Kandilli Rasathanesi Ve Deprem Araştirma Enstitüsü (KRDAE) Bölgesel Deprem-Tsunami İzleme Ve Değerlendirme Merkezi (BDTİM) . 26 September 2019 . 26 September 2019.
  3. Web site: İstanbul Silivri Açıklarındaki Depreme Müdahale . AFAD.com . Afet ve Acil Durum Yönetimi Başkanlığı . Turkish . 26 September 2019 . 26 September 2019 . https://web.archive.org/web/20190926162637/https://www.afad.gov.tr/tr/40836/Istanbul-Siliviri-Aciklarindaki-Depreme-Mudahale-Saat-16-10-Itibariyle . 26 September 2019 . dead .
  4. Web site: M 5.7 – 20km ESE of Marmaraereglisi, Turkey – Details . USGS.com . United States Geological Survey . 26 September 2019 . 26 September 2019.
  5. News: İstanbul'da 5,8 büyüklüğünde deprem . Turkish. 26 September 2019 . Anadolu Ajansı . Anadolu Ajansı . 26 September 2019.
  6. News: 5.8 magnitude earthquake shakes Istanbul, collapses the minaret of a mosque . Associated Press . USA Today . 26 September 2019 . 26 September 2019.
  7. Web site: Meclis Araştırma Komisyonu Raporu . Turkish . July 2010 . . 4 . 20 December 2014 . https://web.archive.org/web/20120602094016/http://www.tbmm.gov.tr/sirasayi/donem23/yil01/ss549.pdf . 2 June 2012.
  8. News: İstanbul için korkutan deprem uyarısı! 30 yıl içerisinde... . Turkish. 26 September 2019 . Anadolu Ajansı . Habertürk . 14 December 2018 . Boğaziçi Üniversitesi Kandilli Rasathanesi ve Deprem Araştırma Enstitüsü Müdür Yardımcısı Prof. Dr. Erdal Şafak, "Önümüzdeki 30 yıl içerisinde yüzde 60 ihtimalle İstanbul'da 7'nin üstünde bir deprem bekleniyor. Teorik olarak büyük bir depremin İstanbul'da olacağını biliyoruz" dedi.
  9. News: İstanbul depremi en geç 2030! . Turkish. 26 September 2019 . Sozcu.com.tr . 1 March 2018.
  10. News: Avcı . Ümran . Karslı . Öznur . Prof. Celal Şengör uyardı: İstanbul depreminin eli kulağında . Turkish. 26 September 2019 . Habertürk . 16 August 2017.
  11. News: İstanbul için korkutan deprem uyarısı: Yüzde 90'ı geçmiş durumda... . . Turkish. 26 September 2019 . Takvim . 25 January 2019 . Yaltırak'a göre, Osmangazi Köprüsü'nün olduğu bölgeden İmralı Adası'nın kuzeyine uzanan fay hattının, 2019 ve sonrası için deprem olasılığı tarihsel çerçeveye göre yüzde 90'ı geçmiş durumda...
  12. News: ODTÜ'den İstanbul depremi açıklaması . cnnturk.com . Turkish. 28 September 2019 . 28 September 2019.
  13. News: İstanbul'da bir deprem daha! Artçıların sayısı 300'ü geçti. Turkish. haberturk.com . 28 September 2019 . 28 September 2019.
  14. News: İstanbul'da 314 artçı deprem yaşandı . Turkish. Hürriyet . İHA . 28 September 2019 . AFAD . 28 September 2019.
  15. News: Powerful magnitude 5.8 tremor shakes Istanbul . . 26 September 2019 .
  16. News: Erdoğan 'İstanbul depreminde' yaralı sayısını açıkladı . 26 September 2019 . Gerçek Gündem . Turkish. 26 September 2019.
  17. News: Moderate quake shakes Istanbul, eight people slightly hurt . Ali . Kucukgocmen . Daren . Butler . Reuters . 26 September 2019 . 26 September 2019.
  18. News: Depremden son durum: Son dakika İstanbul'da depremde 43 kişi yaralandı . Turkish. haberturk.com . 27 September 2019 . 27 September 2019.
  19. News: Fuat Oktay'dan İstanbul depremi sonrası önemli açıklamalar . Turkish. Hürriyet . 27 September 2019.
  20. News: Deprem sonrası telefon hatları neden kesildi? Çözüm yolları neler? . ntv.com.tr . 27 September 2019 . Turkish. 28 September 2019.
  21. News: Türk Telekom GSM sorunuyla ilgili açıklama yaptı: Turkcell ve Vodafone ne diyor? . İndigo Dergisi Haber Merkezi . Turkish. indigodergisi.com . 26 September 2019 . 28 September 2019.

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