The researchers studied the outer rise faults around the Mariana Trench. They used data from 12 bottom
The researchers then used softwareproviding EQTransformer based on machine learning to seismic data. As a result, the researchers recorded 1,975 earthquakes that occurred in the region during the first half of 2017.
The locations of these earthquakes were then precisely determinedwith the help of two modeling programs - Hypoinverse and HypoDD. The authors found that the level of seismic activity in the outer region of the uplift varies greatly. Thus, one of the earthquake clusters spread to a depth of 50 km. This is much deeper than scientists thought possible for this region.
Data indicate that this Mariana Trench subduction zone is well hydrated. Scientists also received important information about the dynamics of the subduction zone.
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