PVMBG reported two explosive eruptions at Agung on 21 April.
The first was recorded at 0321 and produced a dense gray ash plume that rose 2 km above the crater rim and drifted W and S.
Ashfall was reported in areas downwind including Besakih (7 km SW), Rendang (12 km NW), Klungkung (~40 km S), Gianyar (20 km WSW), Bangli (17 km WNW), Tabanan (51 km WSW), and the International Gusti Ngurah Rai (IGNR) airport (60 km SW) in Denpasar.
The second event was recorded at 1856 and generated a dense ash plume that rose 3 km and drifted S.
Minor ashfall was reported in Besakih, Rendang, Sebudi (6 km SW), and Selat (12 km SSW).
The eruptions were accompanied by a boom heard at both the Rendang and Batulompeh observation posts.
Ejected incandescent material from the two events fell on the flanks in all directions within a radius of 4 km.
The Alert Level remained at 3 (on a scale of 1-4) with the exclusion zone set at a 4-km radius.
Source: Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG, also known as CVGHM)
Asosan (Japan)