https://blog.gongquiz.com/2021/04/04/%eb%8f%99%ed%83%9c%ed%8f%89%ec%96%91-%ec%9c%b5%ea%b8%b0%eb%8c%80east-pacific-rise%eb%8a%94-%ec%96%b4%eb%8a%90-%ed%8c%90-%ea%b2%bd%ea%b3%84%ec%97%90-%ed%95%b4%eb%8b%b9%ed%95%98%eb%8a%94%ea%b0%80/