Z16880800 USGS H16880800 261535-1274408000015000SW 2.2 N16880800 Hiya-gawa at Ohana, Okinawa, Ryukyu Islands Y16880800 316880800 19640616 3.80 316880800 19650805 4.20 316880800 19660923 2.60 316880800 19670616 2.50 316880800 19680329 2.45 316880800 19690820 4.00