29 Oct 2018 – VAAC Darwin regularly reports ash plumes reaching 2-3 km (1.2 to 1.8 miles) high at the Indonesian volcano, reports volcanodiscovery.com.
Note the lightning in this video. Electromagnetic forces at work.
“The activity at the volcano remains intense, characterized by intermittent strong vulcanian explosions showering the cone with incandescent material.”
Krakatau volcano, which lies in the Sunda Straight between the islands of Java and Sumatra, has seen increased activity since June.
Thanks to Benjamin Napier for this link