UNDERWATER SIGNATURES OF THE KOCAELI EARTHQUAKE (AUGUST 17TH 1999)

Underwater signatures of the Kocaeli earthquake (August 17th 1999)

Bedri Alpar

University of Istanbul, Institute of Marine Sciences and Management, Vefa, 34470 Istanbul, TURKEY

Abstract

The fault rupture of the Kocaeli Earthquake ( MW  7.4, at 03:02 on August 17th, 1999) was well defined on land. In the present study, single-channel, high resolution seismic reflection data were used to characterise the underwater fault signatures of the Kocaeli Earthquake in the Izmit Bay and at the eastern Marmara Sea. Some personal opinions are also given about the speculations for a possible (<30 years) and devastating (>magnitude 8) earthquake in the Marmara Sea.

Keywords: Marmara, Izmit Bay, earthquake, seismic exploration

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