India, July 30 -- One of the largest earthquakes in recent times, 8.8 on the Richter scale, struck Russia's remote Kamchatka Peninsula on Wednesday, causing shockwaves worldwide.

The massive undersea earthquake produced tsunami waves of up to 13 feet, destroying buildings, inundating coastal communities, and prompting emergency evacuations in Russia and tsunami alerts as far distant as Japan and the United States.

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The Kamchatka Peninsula, known for its volcanic terrain and seismic unrest, hasn't seen tremors of such enormous magnitude in decades.

The earthquake's epicentre was only 119 kilometres from Petropavlovsk-Kamchatsky, the regional capital city inhabited by some 180,000 people. Yet...