Marmara Region & Istanbul
The locked Main Marmara Fault segment of the North Anatolian Fault runs directly beneath the Sea of Marmara, just 15 km south of central Istanbul. Following the 1999 Izmit M7.6 rupture, seismologists estimate a high probability of an M7+ earthquake in the coming decades.
Danger Level (72h)
72-hour composite hazard forecast
Recent Quakes (14d)
Recorded in the selected 14d period
Max Magnitude (14d)
Largest earthquake in the selected 14d period
Tectonic Profile
Seismotectonic hazard assessment, structural exposure & historical context
Click to locate on map
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Living within seismically active radius (~300 km)
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Mixed construction stock with regional engineering standards
Convergent Margin
Major plate boundary with high strain accumulation
Seismically Stable Period
No significant earthquakes recorded in the selected 14d period.
Seismic Activity
Every recorded earthquake in this area — filter by time range and sort by time or severity.