IEDA / DECADE Detail

Data from the Global Volcanism Program of the Smithsonian Institution

Details for: Kita-Ioto

Kita-Ioto is seen here from a ship west of the island. Eruptions have been recorded since the 18th century from Funka-Asane, a submarine vent about 2 km NW of the island. Kita-Iwojima ("North Sulfur Island") is the northernmost of the Kazan Retto (Volcano Islands), located in the middle of the Izu-Marianas arc. Copyrighted photo by Toshitsugu Yamazaki (Japanese Quaternary Volcanoes database, RIODB, http://riodb02.ibase.aist.go.jp/strata/VOL_JP/EN/index.htm and Geol Surv Japan, AIST, http://www.gsj.jp/).

Volcano Number:	284110
Volcano Name:	Kita-Ioto
Country:	Japan
Volcano Type:	Stratovolcano
Last Eruption:	1945 CE
Elevation:	792m
Tectonic Setting:	Subduction zone / Crustal thickness unknown
Pop. within 5km:	158
Pop. within 10km:	162
Pop. within 30km:	162
Pop. within 100km:	1210
Latitude:	25.424
Longitude:	141.284

Eruption Data from the Global Volcanism Program of the Smithsonian Institution

Volcano Number	Volcano Name	Eruption Number	Activity Type	Explosivity Index Max	Explosivity Index Modifier	Activity Area	Start Evidence Method	Start Date	End Date
284110	Kita-Ioto	18377	Confirmed Eruption	0		Funka-Asane	Historical Observations	1780
284110	Kita-Ioto	18378	Confirmed Eruption	0		Funka-Asane	Historical Observations	1880	1889
284110	Kita-Ioto	18379	Confirmed Eruption	2	?	Funka-Asane	Historical Observations	1930	1945
284110	Kita-Ioto	18380	Uncertain Eruption	0		Funka-Asane		1953/5/16	1953/5/16
284110	Kita-Ioto	18381	Uncertain Eruption	0		Funka-Asane		1968/8/16	1968/8/16
284110	Kita-Ioto	18382	Uncertain Eruption	0		Funka-Asane		1982/6/16	1982/6/16
284110	Kita-Ioto	18383	Uncertain Eruption	0		Funka-Asane		1983/7/16	1983/7/16
284110	Kita-Ioto	18384	Uncertain Eruption	0		Funka-Asane		1987/8/16	1987/8/16
284110	Kita-Ioto	18385	Uncertain Eruption	0		Funka-Asane		1989/7/16	1989/7/16
284110	Kita-Ioto	18386	Uncertain Eruption	0		Funka-Asane		1997/3/10	1997/3/10
284110	Kita-Ioto	18387	Uncertain Eruption	0		Funka-Asane		1998/5/21	1998/5/21
284110	Kita-Ioto	18388	Uncertain Eruption	0		Funka-Asane		1998/10/27	1998/10/27
284110	Kita-Ioto	18389	Uncertain Eruption	0		Funka-Asane		1999/9/7	1999/9/16
284110	Kita-Ioto	18390	Uncertain Eruption	0		Funka-Asane		2000/1/25	2000/1/26
284110	Kita-Ioto	18391	Uncertain Eruption	0		Funka-Asane		2000/10/30	2000/10/30
284110	Kita-Ioto	18392	Uncertain Eruption	0		Funka-Asane		2001/10/29	2001/10/29
284110	Kita-Ioto	18393	Uncertain Eruption	0		Funka-Asane		2002/2/28	2002/2/28
284110	Kita-Ioto	18394	Uncertain Eruption	0		Funka-Asane		2003/3/10	2003/3/10
284110	Kita-Ioto	18395	Uncertain Eruption	0		Funka-Asane		2003/11/4	2003/11/4

Emissions Data from the Global Volcanism Program of the Smithsonian Institution

Sorry. No emissions data found for this volcano.

Data from the Earthchem Library

Sorry. No data exist for this volcano in the EarthChem Library.

Data from the Earthchem Portal

Sample ID	LINK	Method	Material	Rock Class	Rock Name	SiO₂ WT%	TiO₂ WT%	Al₂O₃ WT%	Fe₂O₃ WT%	MnO WT%	MgO WT%	CaO WT%	Na₂O WT%	K₂O WT%	P₂O₅ WT%	Total WT%
R87470	DETAILS	XRF	Rock	Igneous Mafic Volcanic	Basalt	47.83	0.74	19.52	12.31	0.17	4.44	12.8	1.85	0.17	0.09	99.92
R87477	DETAILS	XRF	Rock	Igneous Mafic Volcanic	Basalt	47.34	0.71	19.86	12.16	0.16	4.54	13.5	1.65	0.28	0.08	100
R87469	DETAILS	XRF	Rock	Igneous Mafic Volcanic	Basalt	50.9	0.84	18.83	13.39	0.15	2.23	10.48	2.21	0.26	0.13	99.42
R87479	DETAILS	XRF	Rock	Igneous Mafic Volcanic	Basalt	48.66	0.82	17.95	13.2	0.19	4.88	12.11	2	0.42	0.09	100
SAMPLE	DETAILS	EMP (EPMA)	Rock	Igneous Unknown Volcanic	Not-given	66.01	0.63	11.42	7.22	0.24	0.91	3.17	5.08	1.26		95.94

Data from the SESAR Database

Sorry. No data exist for this volcano in the SESAR database.

Data from the MaGa Database

Sorry. No data exist for this volcano in the MaGa database.

Data from UNAVCO

Sorry. No data exist for this volcano in the UNAVCO database.

Data from USIEI

Data from IRIS FDSNWS

Event ID	Time	Latitude	Longitude	Depth/km	Author	Catalog	Contributor	Contributor ID	Mag Type	Magnitude	Mag Author	Event Location Name
11512093	2021-12-14T05:55:12	25.3975	141.2169	51.46	us	NEIC PDE	us	us6000gd4d	mb	4.1	us	VOLCANO ISLANDS, JAPAN REGION
5185299	2016-05-29T23:39:57	25.4867	141.2661	108.13	us	NEIC PDE	us	us20006023	mb	4.3	us	VOLCANO ISLANDS, JAPAN REGION
3340071	2012-04-18T01:17:51	25.4997	141.3189	10.0	ISC	ISC	ISC	601105976	mb	4.8	NEIC	VOLCANO ISLANDS, JAPAN REGION
3207462	2010-12-25T05:55:23	25.5104	141.3335	25.5	ISC	ISC	ISC	15878462	MW	5.2	GCMT	VOLCANO ISLANDS, JAPAN REGION
4128899	2010-09-05T17:54:32	25.4598	141.3744	181.0	ISC	ISC	ISC	17181623	mb	3.9	ISC	VOLCANO ISLANDS, JAPAN REGION
4086475	2010-07-22T21:43:28	25.4881	141.3655	0.0	IDC	ISC	ISC	17178695	mb	3.7	IDC	VOLCANO ISLANDS, JAPAN REGION
2874197	2010-06-18T06:55:06	25.5135	141.2644	10.0	ISC	ISC	ISC	15636276	mb	4.4	NEIC	VOLCANO ISLANDS, JAPAN REGION
2703565	2008-06-12T13:10:12	25.4925	141.2307	28.1	ISC	ISC	ISC	10980411	MW	5.3	GCMT	VOLCANO ISLANDS, JAPAN REGION
2653102	2008-04-02T19:07:22	25.4849	141.2169	35.0	ISC	ISC	ISC	12695320	mb	3.9	ISC	VOLCANO ISLANDS, JAPAN REGION
1871920	2004-11-20T11:49:59	25.5011	141.2763	15.0	ISC	ISC	ISC	7439155	mb	4.4	NEIC	VOLCANO ISLANDS, JAPAN REGION
1858011	2004-10-21T07:42:10	25.4846	141.2937	15.0	ISC	ISC	ISC	7420401	mb	4.5	NEIC	VOLCANO ISLANDS, JAPAN REGION
1197276	2001-10-12T20:35:18	25.401	141.376	35.4	ISC	ISC	ISC	3334040	mb	3.6	ISC	VOLCANO ISLANDS, JAPAN REGION
730092	1999-04-02T16:36:48	25.421	141.287	96.1	ISC	ISC	ISC	1619253	mb	4.2	ISC	VOLCANO ISLANDS, JAPAN REGION
644110	1998-01-16T15:57:59	25.4033	141.3733	136.6	ISC	ISC	ISC	1064754	mb	4.6	NEIC	VOLCANO ISLANDS, JAPAN REGION
609895	1997-09-18T10:31:29	25.3688	141.3747	205.4	ISC	ISC	ISC	1042220	mb	4.6	NEIC	VOLCANO ISLANDS, JAPAN REGION
276146	1992-08-20T18:31:40	25.4517	141.3277	73.7	ISC	ISC	ISC	278252	mb	5.1	NEIC	VOLCANO ISLANDS, JAPAN REGION
2827747	1991-03-15T07:43:36	25.5032	141.305	33.0	ISC	ISC	ISC	338559	mb	4.9	NEIC	VOLCANO ISLANDS, JAPAN REGION
2983195	1984-04-25T10:17:44	25.4587	141.3491	124.3	ISC	ISC	ISC	555839	mb	4.3	ISC	VOLCANO ISLANDS, JAPAN REGION
124823	1973-07-22T01:13:53	25.4317	141.2149	0.0	ISC	ISC	ISC	758566		4.2	LAO	VOLCANO ISLANDS, JAPAN REGION