SLEMAN - The Geological Disaster Technology Research and Development Center (BPPTKG) recorded that Mount Merapi emitted 17 times of incandescent lava with a maximum sliding distance of 2 kilometers on Tuesday, July 7, from 00.00 WIB to 06.00 WIB.
The BPPTKG report states that four lava discharges are directed to the southwest through the upper reaches of the Krasak River with a maximum glide distance of 1,600 meters. A total of 13 other lava discharges slide towards the upper reaches of the Sat/Putih River with a maximum distance of 2,000 meters.
The volcanic activity on the border of Central Java and Yogyakarta Special Region is still high. Officers recorded 28 times of aftershocks with an amplitude of 2-25 millimeters (mm) and a duration of 42.33-196.32 seconds, and 18 times of hybrid or multiple phase earthquakes with an amplitude of 2-43 mm.
Visually, the peak of Merapi is clearly visible. White crater smoke with a thin intensity rises about 15 meters above the peak, while the weather in the Merapi area is dominated by cloudy to sunny conditions with air temperatures ranging from 13.9 to 18.4 degrees Celsius.
The status of Mount Merapi's activity is still at level III (standby).
BPPTKG reminded that the main potential hazards were still lava flows and hot clouds in the south to southwest sectors. Potential affected areas include the Boyong River up to a maximum of 5 kilometers, as well as the Bedog, Krasak, and Bebeng Rivers up to 7 kilometers.
Potential hazards in the southeast sector include the Woro River up to 3 kilometers and the Gendol River up to 5 kilometers. Volcanic material due to explosive eruptions also has the potential to be thrown up to a radius of 3 kilometers from the peak.
The results of BPPTKG monitoring showed that the supply of magma to the body of Mount Merapi is still ongoing. This condition has the potential to trigger lava eruptions and hot clouds in disaster-prone areas.
The public is asked not to carry out activities in areas of potential danger, be aware of the threat of lava and hot clouds, especially when it rains around Merapi, and anticipate the impact of ash rain if an eruption occurs. BPPTKG also emphasized that the status of Merapi's activity would be evaluated if there were significant changes in activity.
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