Videos show tremors in Russia and tsunami waves in Japan following a powerful earthquake in Russia’s Far East that triggered alerts across the Pacific. A magnitude-8.8 quake struck at a depth of 21 kilometers off Russia’s Kamchatka Peninsula on Wednesday morning local time. It was the strongest earthquake worldwide since 2011, according to recent data from the US Geological Survey, and the most powerful in Russia since 1952. -------- More on Bloomberg Television and Markets Like this video?