Thread by @Xy5Z89

🇮🇩#Indonesia #Yogyakarta #Merapi #VOLCANO

Reports of avalanches and hot avalanches of Mount Merapi on January 20, 2021 at 12.00-18.00 WIB (UTC +7):

1. On January 20, 2021 at 14.07 WIB, a hot cloud of avalanche occurred which was recorded on the seismogram with an amplitude of 20 mm and a duration of 192 seconds. The sliding distance is estimated to be 1000 m, the weather is cloudy.

2. On January 20, 2021 at 14:27 WIB, a hot cloud of avalanches was recorded on the seismogram with an amplitude of 30 mm and a duration of 117 seconds. Awanpanas rolled into Boyong River with a sliding distance of 1500 m. The wind blows north.

3. On 20 January 2021 at 14.58 WIB with an amplitude of 13 mm and a duration of 56 seconds. The distance was not observed due to foggy and cloudy weather.

4. On 20 January 2021 at 15:26 WIB with an amplitude of 15 mm and a duration of 96 seconds. The distance was not observed due to foggy and cloudy weather.

5. On January 20, 2021 at 16.22 WIB, hot clouds of avalanches were recorded with an amplitude of 15 mm and a duration of 112 seconds. The distance was not observed due to cloudy and foggy weather.

6. On January 20, 2021 at 16.56 WIB, hot clouds of avalanche were recorded on the seismogram with an amplitude of 15 mm and a duration of 96 seconds. The sliding distance was not observed due to foggy and cloudy weather.

7. On January 20, 2021 at 17.14 WIB, the avalanche clouds were recorded with an amplitude of 2 mm and a duration of 11 seconds. Distance 400 m to the southwest.

8. On 20 January 2021 at 17.17 WIB the avalanche clouds were recorded with an amplitude of 7 mm and a duration of 72 seconds. Distance of 800 m to the southwest.

The current potential hazards are in the form of lava avalanches and hot clouds in the south-southwest sector covering the Boyong, Bedog, Krasak, Bebeng, and Putih rivers with a maximum distance of 5 km.

The ejection of volcanic material during an explosive eruption can reach a radius of 3 km from the summit.

REPORT IN INDONESIAN:
merapi.bgl.esdm.go.id/pub/page.php?i…