When all global earthquake locations over the last 10 years are plotted on a map, they are concentrated along continental borders tectonic plate boundaries the equator areas within 50 miles of an ocean?

When all global earthquake locations over the last 10 years are plotted on a map, they are concentrated along the continental borders. This is somewhat bothersome since many places can be affected on these borders, not only one country is affected but also the neighboring countries.