2026-03-28T17:59:39.946Z24.1877123.144250.23manualconfirmedUSGS4.2mb1Origin/20260328194902.702072.488604Magnitude/20260328194902.702177.4886052026-03-28T18:07:13.703911Z2026-03-28T19:49:03.030259ZSouthwestern Ryukyu Islands, Japanregion nameOrigin/20260328194902.702072.488604