The earthquake struck on October 28, 1891, at 6:38am. Based on the scale of destruction, it has since been estimated to have had a magnitude of 8.0 on the Richter Scale. Its epicenter is believed to have been the Neodani Faultline (35°35’N, 136°20’E), which is located in the present day city of Motosu, Gifu Prefecture. It is believed to be the largest earthquake that has ever occurred whose epicenter is beneath Japanese soil. It is also one of the largest earthquakes in the world's history. When the fault line broke, the height difference between the two sides was approximately six meters.