2026-03-20T03:35:09.531Z26.0421128.411315.147manualconfirmedUSGS4.7mb1Origin/20260320035842.362897.330527Magnitude/20260320035842.362962.3305282026-03-20T03:48:49.147115Z2026-03-20T03:58:42.372067ZRyukyu Islands, Japanregion nameOrigin/20260320035842.362897.330527