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All dispatches
// ENTITY_RECORD  //  TYPE: PLACE

Mount Nyiragongo

// OVERVIEW

Nexor's dispatch on limnic disaster scenarios identifies Mount Nyiragongo as one of Africa's most active volcanoes, noting its 2021 eruption sent lava advancing toward the Lake Kivu shoreline. According to the broadcast, that event raised concern among observers that volcanic heat could disturb the lake's thermal stratification, potentially destabilizing the dissolved gas columns that make Kivu a candidate for a catastrophic limnic eruption at roughly 250 times the scale of the 1986 Lake Nyos disaster.

// 1 APPEARANCES IN THE ARCHIVE

How Lake Nyos Killed 1,746 People in One Breath — and Why Lake Kivu Could Do It at 250 Times the Scale
// FILE
2026-04-17

How Lake Nyos Killed 1,746 People in One Breath — and Why Lake Kivu Could Do It at 250 Times the Scale

On the night of August 21, 1986, Lake Nyos in northwestern Cameroon released an estimated 1.2 cubic kilometers of dissolved carbon dioxide in approximately 20 seconds, suffocating 1,746 people in the surrounding villages. The phenomenon — a limnic eruption — was unknown to science until 1984. A degassing solution existed within years, but took 15 years to fund. Lake Kivu, 55 miles long and holding 250 times the CO2 of Nyos, remains only partially addressed.

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