M4.2 Earthquake 17 km SW of Sındırgı, Turkey — August 12, 2025
2025-08-12 21:30:26 UTC (2025-08-12) · approx. 11:30 PM UTC+2 local
On August 12, 2025 at 21:30 UTC, a magnitude 4.2 shallow crustal earthquake struck 17 km SW of Sındırgı, Turkey, at a depth of 15.0 km and coordinates 39.1351°, 28.0362°.
Physical scale: An earthquake of magnitude 4.2 releases seismic energy equivalent to roughly 30 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 476 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
28.0362°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.2 earthquake near Sındırgı, Turkey?
The magnitude 4.2 earthquake that struck 17 km SW of Sındırgı, Turkey on August 12, 2025 at 21:30 UTC had a depth of 15.0 km. For context, this was a light earthquake commonly felt near the epicenter.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.2 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.2 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000r07f). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, August 12, 2025). M4.2 Earthquake 17 km SW of Sındırgı, Turkey — August 12, 2025. Retrieved October 25, 2025 from https://www.earthquaketracker.org/earthquakes/event/us6000r07f/