Anak Krakatau kept erupting for 25 hours without a break. Ash spread across Indonesia. Officials shut down eight airports. People in nearby areas might experience health problems. Four volcanoes released eruptions 13 times. The eruption raised concerns about a mega-tsunami. Then a 6.2 earthquake rocked Java on Friday. So the volcano and quake added to the unease.
The ash snarled flights. It drifted across populated areas. Airports closed for safety reasons. The quake shook Java on Friday. The volcano had kept erupting for more than a day. People nearby struggled to breathe.