The following article was translated using both Microsoft Azure Open AI and Google Translation AI. The original article can be found in Since early morning, Merapi has spewed hot clouds 9 times
. The volcanic ash was immediately swept away by the rainwater that followed shortly thereafter.
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YOGYAKARTA, KOMPAS - Mount Merapi on the border of Central Java and Yogyakarta Special Region has experienced four times of pyroclastic flows on Sunday (21/1/2024) from morning until afternoon. As a result of the pyroclastic flows that occurred on Sunday afternoon, there was ash rain in Boyolali and Klaten regencies, Central Java.
According to data from the Geological Disaster Technology Research and Development Center (BPPTKG), the first hot cloud avalanche occurred at 08:25 AM. The hot cloud had a maximum amplitude of 62 millimeters (mm), duration of 191.28 seconds, and slid a maximum distance of 2,000 meters to the southwest or towards Kali Bebeng.
After that, on Sunday at 1:55 PM, there was a pyroclastic flow with a maximum amplitude of 42 mm, duration of 214.40 seconds, and a maximum sliding distance of 2,000 meters towards the southwest or towards the Bebeng River.
Another hot cloud avalanche occurred at 14:12 WIB with a maximum amplitude of 70 mm, duration of 239.64 seconds, and maximum sliding distance of 2,400 meters to the southwest. When the two hot cloud avalanches occurred, Mount Merapi was shrouded in fog and the wind direction was towards the east.
Afterwards, on Sunday at 5:19 PM, Merapi once again erupted a pyroclastic flow. The pyroclastic flow had a maximum amplitude of 70 mm, duration of 150 seconds, and maximum sliding distance of 1,500 meters to the southwest.
. The volcanic ash was immediately swept away by the rainwater that followed shortly thereafter.