Pusat gempa hari Ahad, yang juga terasa di Tokyo, berada 11 kilometer di bawah dasar laut di lepas pantai semenanjung Noto di Prefektur Ishikawa, sekitar 300 kilometer di sebelah barat Tokyo.
The focus of Sunday's quake -- which was also felt in Tokyo -- was 11 km (7 miles) below the seabed off the Noto peninsula in Ishikawa prefecture, about 300 km (190 miles) west of Tokyo.