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

Geshi, Nobuo; Oikawa, Teruki; Weller, Derek J.; Conway, Chris E.

doi:10.1186/s40623-022-01577-7

Earth, Planets and Space

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

^a14C data obtained from a carbonized material beneath the layer
^bSuzuki and Tsukui (1997)
^cTsukui and Suzuki (1998)
^dGeshi and Oikawa (2008)
^eJapan Meteorological Agency (2013)
^fGeshi et al. (2019)
^gThis study

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