Diagram showing the geological threats in the Lake Kivu Basin, including volcanic activity, gas emissions, and tectonic forces in the East African Rift Zone.

A detailed cross-sectional illustration of the East African Rift Zone, highlighting volcanic activity, lava flows, and geological features around Lake Kivu and Nyiragongo Volcano, with labels for key elements like the mantle plume, fissure eruptions, and killer gases underwater.