Anak Krakatau kept erupting for 25 hours nonstop. Ash spread across Indonesia. Officials closed eight airports. People in nearby areas could face health risks. 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 were shut as a precaution. The quake jolted Java on Friday. The volcano had been active for more than a day. People nearby suffered respiratory trouble.