Kamchatka earthquake is among top 10 strongest ever recorded. Here’s what they have in common

Today at about 11:30am local time, a magnitude 8.8 earthquake struck off the coast of Russia’s Kamchatka Peninsula in the country’s far east. Originating at a depth of roughly 20 kilometres, today’s powerful earthquake – among the ten strongest in recorded history and the largest worldwide since 2011 – has caused building damage and injuries in the...