For citations:

Kopnichev Yu.F., Sokolova I.N. RING-SHAPED SEISMICITY STRUCTURES IN DIFFERENT DEPTH RANGES PRIOR TO LARGE AND GREAT EARTHQUAKES IN SUBDUCTION ZONES OF THE PACIFIC OCEAN. NNC RK Bulletin. 2020;(3):135-141. (In Russ.) https://doi.org/10.52676/1729-7885-2020-3-135-141