Relief map of Turkey.

Relief map of the disaster area.

Pseudo-colored topographic map of the region using satellite data.
(Prepared by TUBITAK-METU BILTEN RSGIS)

The active faults on the North Anatolian Fault System in northwestern Turkey.
(This map shows the active faults mapped by the Mining Exploration and Research General Directorate (MTA) of Turkey.)

A closer look at the region of the August 17, 1999 event.

Road Map of the Disaster Region

A large image showing the geological structure in the disaster area.
(gray regions are of "new alluvial deposit" type)

Satellite photo of the Sea of Marmara showing Istanbul, the Bosphorus, and the Bay of Izmit.
(From NASA)