The Kocaeli Earthquake of August 17, 1999

Main Shock

Origin Time: 00:01:39.80 UTC (3:01 a.m. local time)
Epicenter: 40.702 N., 29.987 E (USGS)
Depth: 17 km (USGS)
Surface Wave Magnitude: 7.8 (USGS)
Body Wave Magnitude: 6.3 (USGS)
Duration Magnitude: 6.7 (Kandilli)
Moment Magnitude: 7.4 (USGS, Kandilli)
from http://www.koeri.boun.edu.tr/earthqk/earthquake.htm and http://www.usgs.gov/public/press/public_affairs/press_releases/pr949m.html

After Shocks

After shocks observed by KOERI

from http://www.koeri.boun.edu.tr/earthqk/earthquake.htm

After shocks observed by Earth Sciences Research Institute, TUBITAK Marmara Research Center

from http://www.nemrut.mam.gov.tr

Mechanism

Fault plane solution by AutoCMT, ERI, University of Tokyo

from http://www.eri.u-tokyo.ac.jp/~http/AUTO_CMT/auto_cmt.html

North Anatolian Fault

after Ross S. Stein (USGS) et al. (1996)