The sound of the boom that was heard in Jakarta to Bogor early this morning was still a mystery. The Head of the Center for Volcanology and Geological Disaster Mitigation (PVMBG), Kasbani, said that his party did not yet know the source of the sound of the boom.
The Meteorology, Climatology and Geophysics Agency (BMKG). Ensures that the sound of thumps heard from Jakarta to Bogor did not originate from tectonic earthquake activity.
BMKG noted there was a small earthquake activity in the Sunda Strait when the eruption of Mount Anak Krakatau occurred last night.
The boom lasted several times for 10 minutes. The sound is loud. A handful of people who were staying up late in the coffee shop, seemed to move from their seats. They are looking for sound sources.
In addition, BMKG also stated that the seismic monitoring carried out did not record the impact of seismic activity from the eruption of Mount Anak Krakatau. And throwing ash columns as high as 657 meters on Friday (10/4) night at 21.58 WIB.