2026-03-15T04:48:44.649Z37.3728142.529938.742manualconfirmedUSGS4.3mb1Origin/20260315050911.12859.248157Magnitude/20260315050911.128688.2481582026-03-15T04:56:52.374686Z2026-03-15T05:09:11.13978ZOff East Coast of Honshu, Japanregion nameOrigin/20260315050911.12859.248157