It says that the summit elevation for Kilauea is 1277. It then says the summit elevation for Loihi is 969. Clearly 1277 is bigger than -969. This means that Kilauea is higher. Kilauea has a distance of 1277 from the sea level. Loihi has a distance of 969 from the sea level. Loihinis closer to sea level than Kilauea.