June 15, 1911 Earthquake: Ryukyu Islands, Japan

Reference #414:

1911, June 15, 23:26 [local time]. 29 N, 129 E, depth 160 km, magnitude 8.7 MS. There was a strong earthquake which affected all the Ryukyu Islands and the south of Taiwan Island, The length of the zone in which the earthquake was felt was 1300 km. Kikaigashima Island suffered especially. There, 400 homes were totally destroyed and one person died. Five homes were destroyed and five persons died on Tokunoshima Island. On Ishigaki Island, the destruction was also rather heavy and there were human victims. At Ojima (Kamikoshiki Island), Kagoshima Prefecture, there was minor destruction. In Miyazaki Prefecture, chimneys fell, walls collapsed or cracked, etc. The earthquake was felt strongly in Fukuoka Prefecture. There are reports that at Chinzei (Kakeroma Island) on the evening of the same day, a tsunami was observed which washed away more than half of the homes. At Agina (Amami-o-shima Island), a fisherman also noted a change in sea level following a strong shock. The assumed travel time of the tsunami to Aburatsu was 65 minutes.

Reference #88:

1911, June 15, 14:26:00 UTC. 29 N, 129 E, depth 160 km, magnitude 8.7 MS.

Reference #130:

1911, June 15, 14:26 UTC. 29 N, 129 E, magnitude 8.2 MS.

Reference #1006:

1911, June 15. 29 N, 129 E, depth 160 km, magnitude 8.7 MS.

Reference #1068:

1911, June 15. 28 N, 131 E, 12 deaths, 422 houses destroyed, Kikai Island.