For the international eruption watchers, thoughts of another colossal, persistent, flight-grounding ash cloud—as was seen during Iceland’s 2010 Eyjafjallajökull eruption—attracted concern.

The volcano has had several eruptions, and its danger level and no-go zone have changed several times before being raised again to the highest level Tuesday.

A giant volcanic eruption in Indonesia has triggered emergency evacuations and grounded dozens of international flights. Mount Lewotobi Laki Laki, a twin volcano located in the southeastern part ...

An eruption of Mount Lewotobi Laki Laki in November killed nine people and injured dozens. It also erupted in March. Indonesia is an archipelago of 270 million people with frequent seismic activity.

An eruption of Mount Lewotobi Laki Laki in November killed nine people and injured dozens. It also erupted in March. Indonesia is an archipelago of 270 million people with frequent seismic activity.

LEMBATA, Indonesia (AP) — Indonesia’s Mount Lewotobi Laki Laki erupted with giant ash and smoke plumes again Wednesday after forcing evacuations of villages and flight cancelations, including ...