2026-03-23T09:59:38.778Z24.2077125.266110.363manualconfirmedUSGS4.7mb1Origin/20260323125940.496335.382325Magnitude/20260323125940.496412.3823262026-03-23T10:07:47.463187Z2026-03-23T12:59:41.101483ZSouthwestern Ryukyu Islands, Japanregion nameOrigin/20260323125940.496335.382325