Fig. 1

Kuril-Kamchatka Trench map with indication of the sites (red points) where samples were collected. The map was generated using Google Earth Pro version 7.3.1. and graphically edited
Kuril-Kamchatka Trench map with indication of the sites (red points) where samples were collected. The map was generated using Google Earth Pro version 7.3.1. and graphically edited