Limnic eruption now threatens Goma in DR Congo Friday May 28 2021 This handout satellite image released on May 25, 2021 by Maxar Technologies shows an overview before the eruption of the Mt Nyiragongo volcano near Goma, Democratic Republic of Congo. PHOTO | MAXAR TECHNOLOGIES Advertisement Orders on Thursday to evacuate Goma, a city lying in the shadow of DR Congo's Mount Nyiragongo volcano, have shed light on a rare but potentially catastrophic risk -- a "limnic eruption," when volcanic activity combined with a deep lake can spew out lethal, suffocating gas. The phenomenon first came to the...