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Table 1 Age of eruptions stratigraphycally younger than Suoana-Kazahaya

From: Evolution of the magma plumbing system of Miyakejima volcano with periodic recharge of basaltic magmas

Eruption Eruption site Age Magma volume (DRE) Note
AD/BC 14C age Calibrated age (yr BP) (98%) ×106 m3
Period 3
 2000 AD Summit 2000 AD    < 1d Age confirmed by historical records
1983 AD SW flank 1983 AD    7c Age confirmed by historical records
 1962 AD NE flank 1962 AD    6c Age confirmed by historical records
 1940 AD NE flank 1940 AD    15c Age confirmed by historical records
 Meiji N flank 1874 AD    16e Age confirmed by historical records
 Kasaji-kannon W upper flank 1835 AD    < 1c Age confirmed by historical records
 Enokizawa W upper flank Not confirmed by record 120 ± 20 yrBPg
70 ± 20 yrBPg
256–222 cal BP
138–31 cal BP
2c  
 Shinmio-ike SW flank 1763 AD    5g  
 Tatsune SW flank 1712 AD    1c  
 Koshikiana W flank 1643 AD    12c Age confirmed by historical records
 Jinanyama SW middle flank 1595 AD? 315 ± 20 yrBPg 460–347, 337–306 cal BP 20g  
 Kamakata E flank 1535 AD? 340 ± 20 yrBPg
380 ± 20 yrBPg
390 ± 20 yrBPg
477–312 cal BP
509–428, 374–367, 359–328 cal BP
25g Lavas of Benkene-misaki and Kamakata of Tsukui and Suzuki (1998)
Period 2
 Sonei-bokujyo Summit 14th century    4c  
 Hinoyamatouge E flank 13th century? 690 ± 20 yrBPg
700 ± 20 yrBP(6)
681–644, 587–565 cal BP
685–649, 583–567 cal BP
< 1c  
 Nanto SW middle flank 13th century 750 ± 20 yrBPg 725–667 cal BP 1c  
 Kamane SW flank 11–12 century 860 ± 20 yrBPg 900–870, 800–720 cal BP 12c  
 (Mukaiyama pumice of Niijima volcano) 886 AD     Age confirmed by historical records
 Oyama Summit, E-flank 9th century 1240 ± 20 yrBPg 1263–1121, 1113–1083 cal BP 82c  
 (Tenjosan pumice of Kozushima volcano) 838 AD     Age confirmed by historical records
 Togahama minami lava SW flank 9th century    < 1c  
 Togadaira Summit?      
 Suoana-Kazahaya N flank 7th century 1360 ± 20 yrBPe
1410 ± 30 yrBPe
1306–1270 cal BP
1359–1285 cal BP
25f  
Period 1
 Furumio ash S flank   1950 ± 20 yrBPg 1935–1824 cal BP   
 Tairayama scoria NW flank   2050 ± 40 yrBPab 2119–2011 cal BP 20c  
 Kanaso south E flank   2110 ± 20 yrBPg 2143–2138, 2126–2000 cal BP   
 Izu scoria Summit     50c Above the Hatchodaira scoria
 Hatchodaira scoria SW flank   2280 ± 30 yrBPg 2351–2301, 2248–2158 cal BP 170c  
  1. a14C data obtained from a carbonized material beneath the layer
  2. bSuzuki and Tsukui (1997)
  3. cTsukui and Suzuki (1998)
  4. dGeshi and Oikawa (2008)
  5. eJapan Meteorological Agency (2013)
  6. fGeshi et al. (2019)
  7. gThis study