2026-03-21T11:53:16.975Z29.4304130.615839.075manualconfirmedUSGS4.5mb1Origin/20260321125526.738519.352035Magnitude/20260321125526.738594.3520362026-03-21T12:11:56.695186Z2026-03-21T12:55:27.029411ZRyukyu Islands, Japanregion nameOrigin/20260321125526.738519.352035