Oku Volcanic Field volcan

Mise à jour: 19 août. 2022 08:02 GMT - Refresh
Stratovolcano 3011 m / 9,878 ft
Cameroon, 6.25°N / 10.5°E
Condition actuelle: normal / en sommeil (1 sur 5)

Montrer carte interactive
Style éruptif tipique: unspecified
Eruptions du volcan Oku Volcanic Field: unknown, no recent eruptions
Derniers séismes proches: No recent earthquakes

Introduction

Numerous maars and basaltic cinder cones lie on or near the deeply dissected rhyolitic and trachytic Mount Oku massif along the Cameroon volcanic line. The Mount Oku stratovolcano is cut by a large caldera. The Oku volcanic field is noted for two crater lakes, Lake Nyos to the north and Lake Monoun to the south, that recently produced catastrophic carbon-dioxide gas release events. The August 15, 1984, gas release at Lake Monoun was attributed to overturn of stratified lake water, triggered by an earthquake and landslide. The Lake Nyos event on August 21, 1986, caused at least 1700 fatalities. The emission of around 1 cu km of magmatic carbon dioxide has been attributed either to overturn of stratified lake waters as a result of a non-volcanic process, or to phreatic explosions or injection of hot gas into the lake.
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Smithsonian / GVP volcano information


See also: Sentinel hub | Landsat 8 | NASA FIRMS
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