Todoko-Ranu Volcan, Halmahera (Indonésie)

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Todoko-Ranu volcan

volcan complexe 979 m / 3,212 ft
Halmahera, Indonésie, 1.25°N / 127.47°E
Condition actuelle: en sommeil (1 sur 5)

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Style éruptif tipique: Explosive
Eruptions du volcan Todoko-Ranu : none in historic times
Derniers séismes proches:

Time	Mag. / Depth	Distance	Location
Sat, 29 Dec
Sat, 29 Dec 05:30 UTC	M 4.6 / 113 km	48 km	Halmahera, Indonesia
Sat, 29 Dec 05:30 UTC	M 4.6 / 113 km	48 km	Halmahera, Indonesia
Sat, 29 Dec 05:30 UTC	M 4.6 / 113 km	48 km	Halmahera, Indonesia

Todoko-Ranu Volcano in north-western Halmahera 15 km SW of Gamkonora volcano is a part of a larger volcanic complex, which contains 2 calderas. One of the calderas, Ranu caldera, contains a crater lake.

Introduction:

The twin caldera complex of Todoko-Ranu is part of a large volcanic complex south of Gamkonora. The 2-km-wide, lava-filled Todoko caldera is south of the 2 x 2.8 km wide nested Ranu calderas and contains a young post-caldera cone, Sahu, on its south flank. The northern Ranu caldera contains a caldera lake. Gunung Onu, NW of Ranu caldera, lies at the northern end of the Todoko-Ranu complex. No historical eruptions have been reported from the complex, mapped as Holocene by Supriatna (1980), but fumaroles are present at Ranu caldera and hot springs on Mt. Sahu. Youthful-looking lava flows reach the sea from several locations within the complex.
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Supriatna S, 1980. Geologic map of Morotai quadrangle, north Maluku. Geol Res Devel Centre Indonesia, 1:250,000 scale map and 10 p text
Source: GVP / Smithsonian Institution

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