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Ranau caldera volcan

Mise à jour: 28 sept.. 2022 04:32 GMT -
stratovolcano, caldera 1880 m
Sumatra (Indonésie), -4.91°S / 103.96°E
Condition actuelle: normal / en sommeil (1 sur 5)

Ranau is an 8 x 13 km caldera volcano in southern Sumatra partially filled by the crescent-shaped Lake Ranau. Gunung Semuning is a potentially still active stratovolcano constructed at the SE side of the caldera.

Montrer carte interactive
Style éruptif tipique: Explosive
Eruptions du volcan Ranau caldera: None in historic times

Derniers séismes proches

HeureMag. / ProfondeurDistance/Lieu
jeudi, 22 septembre 2022 GMT (1 séisme)
22 sept. 2022 15:54 (GMT +7) (22 sept.. 2022 08:54 GMT)
3.8

57 km
60 km (37 mi)
Océan Indien, 131 km au sud-ouest de Baturaja, Sumatra du Sud, Indonésie

Introduction

Ranau is an 8 x 13 km Pleistocene caldera partially filled by the crescent-shaped Lake Ranau. The caldera lies along the Great Sumatran Fault that extends the length of Sumatra.
Incremental formation of the caldera culminated in the eruption of the voluminous Ranau Tuff about 0.55 million years ago. A morphologically young post-caldera stratovolcano, Gunung Semuning, was constructed within the SE side of the caldera to a height of more than 1,200 m above the lake surface. The volcano has not been mapped in sufficient detail to determine the age of its latest eruptions, although fish kills and sulfur smells in the late 19th and early 20th centuries may be related to volcanism.
Source: Smithsonian / GVP


See also: Sentinel hub | Landsat 8 | NASA FIRMS

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