Anak Krakatau went off for 25 hours nonstop. Ash drifted over Indonesia. Officials closed eight airports. People in nearby areas may develop breathing issues. Four volcanoes erupted 13 times. The eruption fed worries over a mega-tsunami. Then a 6.2 earthquake rocked Java on Friday. So the volcano and quake heightened public concern.
The ash disrupted air travel. It drifted across populated areas. Airports halted operations to stay safe. The quake jolted Java on Friday. The volcano had kept erupting for more than a day. People nearby suffered respiratory trouble.