Anak Krakatau kept erupting for 25 hours straight. 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 hit 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 jolted Java on Friday. The volcano was still going for more than a day. People nearby struggled to breathe.