 
Izu Islands, Japan
34.22 N, 139.15 E 
  summit elevation 574 m 
  lava domes 
Kozu-shima volcanic island is 6 x 4 km in size and   consists of 18 lava domes.
Further Reading
  Ysuya, Hiromichi. "Volcanoes of Kozu-shima." Bulletin of the Earthquake Research Institute, Tokyo Imperial University 7, no. 2 (1929): 269-334.
838, 832