On the coasts of which ocean are the zones of earthquakes and volcanism most pronounced?

Most often, the shores of the Pacific lands are subject to eruptions and earthquakes, there is even such a concept as the “Pacific fire (volcanic) belt”. It passes through Kamchatka, Antarctica, Zeeland, a large number of islands (Japanese, Kuril Islands, etc.). The Pacific subsoil is mobile, there are more than five hundred volcanoes on them, more than three hundred of which are active.

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