THE 7 SEPTEMBER 1999 EARTHQUAKE IN ATHENS
Abstract
Twenty-one days after the disastrous earthquake in Turkey, a medium-intensity earthquake occurred in the vicinity of Athens, Greece at 11.56 a.m. UTC on 7 September. This earthquake, with a magnitude of Mw = 6.0 and a focal depth of around 10 km was somewhat stronger than the one in the Posočje (Mw = 5.6) region, but nevertheless claimed 143 lives and injured more than 800 people. The largest effects are assessed at IX EMS. As many as 34 people died in a collapsed four-storey building on the slope of the Helidonou River valley. Thirteen thousand houses were completely destroyed and more than 100,000 people lost their homes. Horizontal acceleration achieved up to 0.20 g, and vertical acceleration 0.11 g. From the economic point of view, this was the largest natural disaster in the modern history of Greece.
References
Ambraseys, N., N., 1993. Material for the Investigation of the Seismicity of Central Greece. EC project flReview of Historical Seismicity in EuropeČ (RHISE), 1989-1993.
NEIC, 1999. Significant Earthquakes of the World. US Department of the Interior. Geological Survey, National Earthquake Information Center.
Papadopoulus, G., A., Drakatos, G., Papanastassiou, D., Kalogeras, I., Stavrakakis, G., 1999. Athens Earthquake. Preliminary results about the catastrophic earthquake of 7 september 1999 in Athens, Greece.
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