Todoko-Ranu volcano

complex volcano 979 m / 3,212 ft
Halmahera, Indonesien, 1.25°N / 127.47°E
Current status: normal or dormant (1 out of 5)

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.

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Typical eruption style: Explosive
Todoko-Ranu volcano eruptions: none in historic times

Latest nearby earthquakes

TimeMag. / DepthDistance/Location
Mon, 19 Jul 2021 (GMT) (1 earthquake)
20 Jul 7:05 am (GMT +9) (19 Jul 2021 22:05:10 GMT)
3.8

142 km
35 km (22 mi)
Molucca Sea, 55 km northwest of Ternate, North Maluku, Indonesia
Wed, 14 Jul 2021 (GMT) (1 earthquake)
14 Jul 11:46 pm (GMT +9) (14 Jul 2021 14:46:23 GMT)
3.9

131 km
33 km (21 mi)
Molucca Sea, 80 km north of Ternate, North Maluku, Indonesia

Background

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


See also: Sentinel hub | Landsat 8
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