IEDA / DECADE Detail

Data from the Global Volcanism Program of the Smithsonian Institution

Details for: Mahawu

Mahawu volcano, located immediately to the east of Lokon-Empung volcano, contains a 450-m-wide, 140-m-deep summit crater. Active fumaroles are seen in this 1991 photo of the north end of the crater, which sometimes contains a crater lake. Small-to-moderate explosive eruptions have been recorded at 1331-m-high Mahawu volcano since the 18th century. Photo by Ruska Hadian, 1991 (Volcanological Survey of Indonesia).

Volcano Number:	266110
Volcano Name:	Mahawu
Country:	Indonesia
Volcano Type:	Stratovolcano
Last Eruption:	1977 CE
Elevation:	1299m
Tectonic Setting:	Subduction zone / Continental crust (> 25 km)
Pop. within 5km:	18618
Pop. within 10km:	111852
Pop. within 30km:	878193
Pop. within 100km:	1503109
Latitude:	1.352
Longitude:	124.865

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	Start Evidence Method	Start Date	End Date
266110	Mahawu	16464	Confirmed Eruption			Historical Observations	1788
266110	Mahawu	16465	Confirmed Eruption	2		Historical Observations	1789/12/31
266110	Mahawu	16466	Confirmed Eruption	2		Historical Observations	1846
266110	Mahawu	16467	Confirmed Eruption	2		Historical Observations	1904/10/4
266110	Mahawu	16468	Confirmed Eruption	2	?	Historical Observations	1952/7/2
266110	Mahawu	16469	Confirmed Eruption	2	?	Historical Observations	1958/7/12	1958/7/29
266110	Mahawu	16470	Confirmed Eruption	0		Historical Observations	1977/11/16

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
Compilation of whole rock geochemistry and petrography of samples from the Sangihe Arc, northern Sulawesi, Indonesia	Gill, James	2020-03-05	10.26022/IEDA/111503	Details

Data from the Earthchem Portal

Sample ID	LINK	Method	Material	Rock Class	Rock Name	SiO₂ WT%	TiO₂ WT%	Al₂O₃ WT%	Fe₂O₃ WT%	FeO WT%	FeO Total WT%	MnO WT%	MgO WT%	CaO WT%	Na₂O WT%	K₂O WT%	P₂O₅ WT%	Total WT%	Ba PPM	Be PPM	Co PPM	Cr PPM	Cs PPM	Cu PPM	Dy PPM	Ga PPM	Mo PPM	Nb PPM	Ni PPM	Pb PPM	Rb PPM	Sb PPM	Sc PPM	Sn PPM	Sr PPM	U PPM	V PPM	W PPM	Y PPM	Zn PPM	Zr PPM	⁸⁷Sr / ⁸⁶Sr RATIO	¹⁴³Nd / ¹⁴⁴Nd RATIO	²⁰⁶Pb / ²⁰⁴Pb RATIO	²⁰⁷Pb / ²⁰⁴Pb RATIO	²⁰⁸Pb / ²⁰⁴Pb RATIO
L51604-3	DETAILS	XRF	Rock	Igneous Felsic Volcanic	Dacite	67.51	0.64	15.27	0.53	3.79		0.13	1.2	3.54	4.5	2.7	0.2	100	326			2		28		16		4.8	0	10	66		14		250	3	56		40	65	191
MIN22	DETAILS	TIMS	Rock	Igneous Mafic Volcanic	Basalt																																					0.703865	0.512971	18.346	15.577	38.301
MIN22	DETAILS	XRF	Rock	Igneous Mafic Volcanic	Basalt	52.95	0.85	18.93			9.46	0.2	4.68	9.53	2.7	0.41	0.15	99.86	72			4		74		18.9			6		6.4		29.4		240.2		264			71	34.5
MIN22	DETAILS	ICPMS	Rock	Igneous Mafic Volcanic	Basalt																		0.5		4.85			0.96		1.55						0.13			47.76
101	DETAILS	AAS	Rock	Igneous Unknown Volcanic	Not-given								0.15	1.19	4.43	3.15		8.92		1.3														1.9
101	DETAILS	COL	Rock	Igneous Unknown Volcanic	Not-given	75.9	0.22	12.89	0.47	1.3		0.07					0.02	90.87									2.5
101	DETAILS	INAA	Rock	Igneous Unknown Volcanic	Not-given																0.9	0	4							6	78	0.4	8.2			0.7
101	DETAILS	SPEC	Rock	Igneous Unknown Volcanic	Not-given																							5										1.1
101	DETAILS	XRF	Rock	Igneous Unknown Volcanic	Not-given														475									7			88				90				50	40	262
L3307-1	DETAILS	ICPMS	Rock	Igneous Unknown Volcanic	Not-given														239				2.23		5.61			3.88		7.14	47.1		20		319				30.67		133

Data from the SESAR Database

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

Data from the MaGa Database

Error. The MaGa Web Services (http://www.magadb.net/web_services/) are down.