The magnitude-4.6 earthquake was felt as far away as Honolulu, and shook the islands just as the most recent volcanic eruption was winding down.

ADDIS ABABA, Ethiopia -- Volcanic activity in northern Ethiopia’s long-dormant Hayli Gubbi volcano subsided Tuesday after an eruption over the weekend that left a trail of destruction in nearby villages and caused flight cancellations after ash plumes disrupted high-altitude flight paths.

The U.S. Geological Survey (USGS) issued a new orange "watch" alert for Hawaii's Kilauea volcano on Sunday, warning that the lava flows were increasing in duration and that "another fountaining episode is close" amid an ongoing eruption. Kilauea is one of the world's most active volcanoes.

ADDIS ABABA, Ethiopia -- Volcanic activity in northern Ethiopia's long-dormant Hayli Gubbi volcano subsided Tuesday after an eruption over the weekend that left a trail of destruction in nearby villages and caused flight cancellations after ash plumes disrupted high-altitude flight paths.

Ethiopia's Hayli Gubbi volcano erupted after 12,000 years, sending a 14km ash plume eastward. This ash travelled over 4,000 kms towards India, raising concerns about flight safety. Volcanic ash can cause engine failure,