2026-08-21T00:01:20.43Z26.4848127.785944.11manualconfirmedUSGS4.7mb1Origin/20260821023401.42981.263775Magnitude/20260821023401.429885.2637762026-08-21T00:07:22.075514Z2026-08-21T02:34:01.502195ZRyukyu Islands, Japanregion nameOrigin/20260821023401.42981.263775