Very-long-range dynamic triggering of mud volcano unrest and silent magnitude-6 fault slip
Overview
Paper Summary
This study reports on the remote triggering of unrest at over 50 mud volcanoes and a large-scale aseismic slip event on a network of faults in the Kura Basin, caused by the February 2023 Kahramanmaraş earthquakes in Türkiye, over 1000 km away. The researchers attribute this extensive phenomenon, equivalent to a Mw 6.1 earthquake, to changes in pore pressure at depth due to seismic waves, triggering slip along pre-existing faults.
Explain Like I'm Five
Earthquakes in Turkey made mud volcanoes erupt and the ground shift quietly far away in the Kura Basin because the shaking changed the pressure underground. It's like shaking a soda bottle can make it fizz over.
Possible Conflicts of Interest
None identified
Identified Limitations
Rating Explanation
This research presents a compelling case for long-range dynamic triggering of mud volcanoes and aseismic slip, significantly expanding our understanding of remote earthquake effects. The detailed analysis of InSAR, GNSS, and seismic data, coupled with observations of mud volcano activity, makes a strong argument for a fluid-driven mechanism. While limitations regarding temporal resolution and subsurface data exist, they do not invalidate the central findings and the study's overall significance.
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