Residents Requested Alert, Anak Krakatau Alert
Poros Pos . Increased activity of Gunung Anak Krakatau since December 22, 2018 was monitored significantly until finally the mountain status was raised from alert to standby. On that same day, at night, there was a mountain slope which allegedly triggered a tsunami to hit Banten and South Lampung. Secretary of the ESDM Geological Agency Antonius Ratdomopurbo said the Anak Krakatau eruption had not stopped since then. In addition, he said there was a change in the pattern of eruption activities. "Then the status is increased because of course it provides a broader potential of power than we declare vigilant," Antonius said in his office, Jalan Medan Merdeka Selatan, Central Jakarta, Thursday (12/27/2018). The change in the eruption pattern is called changing from strombolian to surtseyan. Strombolian means explosive eruptions throwing incandescent stones because there is pressure from inside the crater. Whereas the surtseyan type currently experienced by Anak Krakatau means la...