2026-04-09T01:34:25.998Z25.1804125.301610manualconfirmedUSGS4.7mb1Origin/20260409015542.437846.758676Magnitude/20260409015542.437924.7586772026-04-09T01:54:08.02936Z2026-04-09T01:55:42.451538ZSouthwestern Ryukyu Islands, Japanregion nameOrigin/20260409015542.437846.758676