Mount Kiebessy volcano on the tiny Indonesian island of Makian erupted twice Friday, shooting fire and ash more than 26,000 feet into the sky in the most serious activity since the crater returned to life 11 days before, officials said Saturday.

No casualties were reported, as all the islanders had been evacuated after the 4,452-foot Mount Kiebessy volcano first erupted July 18 following nearly a century of dormancy. The nearly 15,000 residents, predominantly clove farmers and fishermen, have been forbidden from returning.Officials said the volcano erupted twice Friday and that the second time, it shot fire and ash more than 26,000 feet into the sky.

Afterward, volcanic ash drifted into the town of Ternate on Halmahera island.