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A powerful and shallow earthquake with a magnitude of 6.1 struck the Balıkesir province in western Turkey on August 10, 2025, triggering widespread concern across the region. The tremor occurred at 19:53 local time (16:53 UTC) near the town of Sındırgı, at a depth of approximately 10–11 km, intensifying its surface impact.
📍 Seismic Details
- Magnitude: 6.1 (some agencies reported 6.19)
- Depth: ~10–11 km (shallow)
- Epicenter: Near Sındırgı, Balıkesir Province
- Aftershock: A 4.6 magnitude tremor followed shortly after
🌍 Regional Impact
The earthquake was felt across at least 12 provinces, including:
- İstanbul, İzmir, Manisa, Kütahya, Yalova, Uşak, Aydın, Eskişehir, Sakarya, and Tekirdağ
Tremors extended beyond Turkey’s borders, reaching Greek Aegean islands such as Lesvos and Chios, although no damage was reported there.
🏚️ Damage & Casualties
- No confirmed fatalities or serious injuries as of initial reports
- One building collapse was reported in the Sındırgı district
- Emergency services are conducting ongoing inspections of infrastructure and residential areas
👷 Emergency Response
- AFAD (Turkey’s Disaster and Emergency Management Authority) deployed rapid response teams
- Interior Minister Ali Yerlikaya stated that no critical damage had been reported but emphasized continued monitoring and readiness
📊 Estimated Shaking Exposure
According to preliminary data:
| Shaking Intensity | Estimated Population Affected |
|---|---|
| Severe | ~13,000 people |
| Very Strong | ~37,000 people |
| Strong | ~178,000 people |
| Moderate | ~770,000 people |
The U.S. Geological Survey (USGS) issued a Yellow Alert for potential fatalities and economic losses, indicating localized but significant impact.
🧱 Structural Vulnerability
The affected region includes a mix of building types:
- Vulnerable structures: Adobe block and stone masonry
- Resilient structures: Reinforced concrete and engineered wood buildings
This event highlights the ongoing seismic risk in Turkey, which lies atop several active fault lines. It underscores the importance of continued investment in earthquake preparedness, resilient infrastructure, and public awareness.
