November 4, 1677 Tsunami: Off SE. Boso Peninsula, Japan

1677, Nov 4, 35 N, 141.5 E, Off SE Boso Peninsula, magnitude 8.0. More than 1,000 houses washed away and 500 deaths. More than 233 houses destroyed, 246 persons drowned in Boso. More than 490 houses washed away and 123 deaths in Miyagi Prefecture. 24-25 fishing boats in Owari, Aichi Prefecture damaged. (reference #150)

1677, Nov 4. There was an earthquake with source near Chiba and Ibaraki Prefectures. A multitude of aftershocks were recorded on the Boso Peninsula. A destructive tsunami occurred. It was observed from the Kii Peninsula to Miyagi Prefecture. At Iwanuma (Miyagi Prefecture), more than 400 homes were washed out and 123 people died. Eighty people died at Onahma (near Iwaki, Fukushima Prefecture). On the coast of Mito region (Ibaraki Prefecture), 189 homes were destroyed, 36 people died and 353 boats were washed away. On the Boso Peninsula, 223 homes were destroyed, and 261 people died. 25 boats were washed away or smashed on the northwestern shore of Ise Bay (Aichi Prefecture). A tsunami was also observed on Hachijo Island. A high wave was recorded in the valley of the island, where ten fishing boats were washed away. In all, a result of the tsunami, more than 1,000 homes were washed away and more than 500 people died. (reference #414)