2025-08-15T20:03:17.914Z36.8392134.7732389.021manualconfirmedUSGS4.1mb1Origin/20250816161359.779393.103559Magnitude/20250816161359.779478.1035602025-08-15T20:21:27.875611Z2025-08-16T16:13:59.826315ZSea of Japanregion nameOrigin/20250816161359.779393.103559