"The strongest earthquake in the Kamchatka seismic focal zone since 1952 has just occurred," Kamchatka branch of the Unified Geophysical Service of the Russian Academy of Sciences reported PETROPAVLOVSK-KAMCHATSKY, July 30. /TASS/. The magnitude of the earthquake in Kamchatka, in Russia's Far East, according to various estimates, reached 8.7, which makes it the strongest earthquake since 1952, the Telegram channel of the Kamchatka branch of the Unified Geophysical Service of the Russian Academy