Scholarly record
A STUDY ON ACTIVITY OF THE NORTHERN BRANCH OF THE NORTH ANATOLIAN FAULT THE 17TH AUGUST 1999 MARMARA EARTHQUAKE
Abstract
This study aims at understanding the activity of northern branch of the North Anatolian Fault. The AvcД±lar and adjacent areas were chosen as a study area as the Marmara Earthquake had caused severe damage and fatalities in Avcilar. We carried out a fieldwork in the area and found out surface fractures. We then integrated in to our map existing seismological-seismic and damaged distribution data. We propose that the damage to the W of Д°stanbul, especially in Avcilar was caused mainly by re-activation of younger faults related to northern branch of the NAF, rather than local soil conditions. Such an affect of these faults caused may be an indication of activity of the northern branch of the NAF. The implies that the broken segment of the Marmara Earthquake is longer than that previously assumed, extending into the Marmara Sea.
Publication details
References11
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