00632naa#a2200181#i#450# EN\\bibl\47162 20241127104130.3 1681-1208 20010625b2001####ek#y0engy0150####ca RU Spectral characteristics of foreshocks preceding major earthquakes of the Kurile-Kamchatka Arc and their application to the prediction of the main shock time Journal article Moscow Geophysical Center of the Russian Academy of Sciences 2001 10 с. Journal article local Chepkunas L S Rogozhin E A Benikova V I rjes.ru