IEDA / DECADE Detail

Data from the Global Volcanism Program of the Smithsonian Institution

Details for: Moyorodake [Medvezhia]

Medvezhia, an eroded 8-km-wide caldera at the NE tip of Iturup Island, contains a complex of several cones and lava domes. Four closely spaced volcanic cones lie on an E-W line. The easternmost and highest, Medvezhii cone (upper left), lies outside the caldera, along the Pacific coast. Srednii cone (center), which has produced lava flows that reached the coast, is located immediately to the west. The slightly lower, historically active Kudriavy cone (right center) has fed youthful-looking lava flows that reach the caldera wall. Photo by T. Vendelin, 1990, (courtesy of Genrich Steinberg, Institute for Marine Geology and Geophysics, Yuzhno-Sakhalinsk).

Volcano Number:	290100
Volcano Name:	Moyorodake [Medvezhia]
Country:	Japan - administered by Russia
Volcano Type:	Stratovolcano
Last Eruption:	1999 CE
Elevation:	1124m
Tectonic Setting:	Subduction zone / Intermediate crust (15-25 km)
Pop. within 5km:	11
Pop. within 10km:	42
Pop. within 30km:	600
Pop. within 100km:	4333
Latitude:	45.389
Longitude:	148.838

Eruption Data from the Global Volcanism Program of the Smithsonian Institution

Volcano Number	Volcano Name	Eruption Number	Activity Type	Explosivity Index Max	Activity Area	Start Evidence Method	Start Date	End Date
290100	Moyorodake [Medvezhia]	18760	Confirmed Eruption			Tephrochronology	-50
290100	Moyorodake [Medvezhia]	18761	Confirmed Eruption	2	Kudriavy	Historical Observations	1778/12/31
290100	Moyorodake [Medvezhia]	18762	Confirmed Eruption	2	Kudriavy	Historical Observations	1883	1883
290100	Moyorodake [Medvezhia]	18763	Uncertain Eruption	2	Kudriavy		1946
290100	Moyorodake [Medvezhia]	18764	Confirmed Eruption	1	Kudriavy	Historical Observations	1958/7/2
290100	Moyorodake [Medvezhia]	18765	Confirmed Eruption	1	Kudriavy	Historical Observations	1999/10/7	1999/10/13

Emissions Data from the Global Volcanism Program of the Smithsonian Institution

Sorry. No emissions data found for this volcano.

Data from the Earthchem Library

Title	Author	Release Date	DOI	Link
The emissions of CO2 and other volatiles from the world’s subaerial volcanoes The emissions of CO2 and other volatiles from the world’s subaerial volcanoes	Fischer, Tobias	2020-11-21	10.1594/IEDA/111445	Details

Data from the Earthchem Portal

Sample ID	LINK	Method	Material	Rock Class	Rock Name	SiO₂ WT%	TiO₂ WT%	Al₂O₃ WT%	Fe₂O₃ WT%	Fe₂O₃ Total WT%	FeO WT%	FeO Total WT%	MnO WT%	MgO WT%	CaO WT%	Na₂O WT%	K₂O WT%	P₂O₅ WT%	Total WT%	As PPM	Ba PPM	Be PPM	Co PPM	Cr PPM	Cs PPM	Cu PPM	Dy PPM	Ga PPM	Nb PPM	Ni PPM	Pb PPM	Rb PPM	Sc PPM	Sr PPM	Ti PPM	U PPM	V PPM	Y PPM	Zn PPM	Zr PPM	⁸⁷Sr / ⁸⁶Sr RATIO	¹⁴³Nd / ¹⁴⁴Nd RATIO	²⁰⁶Pb / ²⁰⁴Pb RATIO	²⁰⁷Pb / ²⁰⁴Pb RATIO	²⁰⁸Pb / ²⁰⁴Pb RATIO	¹⁸⁷Os / ¹⁸⁸Os RATIO
605	DETAILS	NOT GIVEN	Rock	Igneous Intermediate Volcanic	Andesite	57.09	0.68	18.92				7.45	0.16	3.5	9.3	2.55	0.57		100
605	DETAILS	EMP (EPMA)	Rock	Igneous Intermediate Volcanic	Andesite	47.44	0.86	18.79				8.18	0.09	9.34	13.15	2.62	0.25	0.09	100
605	DETAILS	EMP (EPMA)	Rock	Igneous Intermediate Volcanic	Andesite	51.45	0.53	17.93				6.48	0.21	4.07	12.85	3.16	3.76	0.16	100
605	DETAILS	EMP (EPMA)	Rock	Igneous Intermediate Volcanic	Andesite	63.56	0.82	15.43				4.35	0.11	0.85	5.01	2.76	6.76	0.15	99.8
605	DETAILS	EMP (EPMA)	Rock	Igneous Intermediate Volcanic	Andesite	66.71	0.84	14.06				4.77	0.13	0.83	4.01	3.1	5.87	0.15	100
605	DETAILS	EMP (EPMA)	Rock	Igneous Intermediate Volcanic	Andesite	64.02	0.7	16.59				4.54	0.12	0.76	6.7	3.5	1.25	0.08	98.26
605	DETAILS	EMP (EPMA)	Rock	Igneous Intermediate Volcanic	Andesite	65.7	0.75	16.38				5.07	0.15	0.82	6.95	3.54	1.32	0.12	100
605	DETAILS	EMP (EPMA)	Rock	Igneous Intermediate Volcanic	Andesite	71.04	0.93	10.53				5.99	0.12	1.18	3.9	4.53	1.63	0.18	100
605	DETAILS	EMP (EPMA)	Rock	Igneous Intermediate Volcanic	Andesite	72.13	0.81	14.86				4.09	0.14	0.3	3.9	3.8	1.67	0.22	100
605	DETAILS	EMP (EPMA)	Rock	Igneous Intermediate Volcanic	Andesite	75.36	0.58	12.62				3.34	0.06	0.31	3.44	2.71	1.66	0.23	100
KY-SR-2	DETAILS	ICPMS	Rock	Igneous Intermediate Volcanic	Andesite																209.9	0.28			0.94		3.77		0.57		5.85	10.12				0.3		21.25		50.41
KY-SR-2	DETAILS	TIMS	Rock	Igneous Intermediate Volcanic	Andesite																																				0.703269	0.513021
KY-SR-2	DETAILS	XRF	Rock	Igneous Intermediate Volcanic	Andesite	55.49	0.82	16.73		10.17			0.25	4.18	8.97	2.53	0.63	0.19	99.96
KY-SR-2	DETAILS	TIMS	Rock	Igneous Intermediate Volcanic	Andesite																																						18.397	15.533	38.277
59513	DETAILS	NOT GIVEN	Rock	Igneous Felsic Volcanic	Dacite	67.3	0.96	14.9	1.84		2.84		0.19	1.56	4.26	4.39	1.1	0.07	99.41
4	DETAILS	EMP (EPMA)	Rock	Igneous Intermediate Volcanic	Andesite	53.27	0.26	0.91				24.17	0.66	20.58	1.99	0.02	0.01		100
3	DETAILS	MC_ICPMS_ID	Rock	Igneous Mafic Volcanic	Basalt																																					0.51312
3	DETAILS	TIMS_N	Rock	Igneous Mafic Volcanic	Basalt																																									0.53
3	DETAILS	XRF	Rock	Igneous Mafic Volcanic	Basalt	44.8	0.15	26.31		6.71			0.085	6.53	12.92	0.79	0.09	0.003	98.388	24	40		35	21		30		18	3	53	11	0	27	266			53	8	30	20
B646	DETAILS	EMP (EPMA)	Rock	Igneous Intermediate Volcanic	Andesite																5.7	0.11	5.1		0.06				0.02		2.33	0.3		432	55			0.16		0.12
B622	DETAILS	MS	Rock	Igneous Intermediate Volcanic	Andesite																										7.6										0.703233	0.5131	18.346	15.511	38.179
T615	DETAILS	NOT GIVEN	Rock	Igneous Intermediate Volcanic	Andesite	56.05	0.65	19.44				7.44	0.16	3.59	9.58	2.78	0.55		100
T615	DETAILS	EMP (EPMA)	Rock	Igneous Intermediate Volcanic	Andesite	52.66		28.29				0.89			12.89	3.73	0.1		98.56
T615	DETAILS	EMP (EPMA)	Rock	Igneous Intermediate Volcanic	Andesite	53	0.29	19.92				2.64	0.07	7.97	7.28	1.71	4.95	0.1	97.93
T615	DETAILS	EMP (EPMA)	Rock	Igneous Intermediate Volcanic	Andesite	60.71	0.8	15.42				5.31	0.15	1.16	6.74	4.17	1.29	0.6	96.35

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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.