Activity of Agung, Sinabung, Krakatau, Nevados de Chillan and Sakurajima.

After a few days on the field for a geologico-volcanological visit, I take the thread of the news ...,with three volcanoes with activity in Indonesia: Agung, Sinabung and Anak Krakatau.

An eruption marked the Agung on May 12, 2019 at 22:29 Wita, characterized by a dull sound heard at the Rendang post, a glow at the top and incandescence on the flanks.

The height of the plume could not be determined due to cloud cover.

On the seismogram, the activity remained marked for 2 minutes 16 sec., With a max. 25 mm.

The Vona has gone red, despite the discretion of the eruption. (VAAC Darwin).

The Agung is on alert level 3, with a danger zone of 4 km radius.

At Sinabung, in alert level 4 / awas, activity has intensified since May 7, 2019 at 19:48 local. A moderate rash was recorded for 42 minutes and 49 seconds. The ash plume is reported 2,000 meters above the crater and fallout on several villages.

On May 11, 2019 at 20:39, an eruption is recorded on the seismogram with a maximum amplitude. 9 mm for 33 minutes; the height of the plume could not be observed.

The PVMBG reports an eruption on May 12, 2019 at 12:33 WIB.

At Anak Krakatau, in alert level 2 / waspada with a prohibited area of ​​2 km., eruptions continue, with decreasing intensity.

On May 12, 2019, 21 earthquakes of eruption and 17 of blast were recorded by the PVMBG, as well as 12 earthquakes of low frequency and two harmonic earthquakes.

The BNPB point an eruption on May 12 at 12:20 local, lasting 152 sec. and a max. 58 mm. The VONA is orange

Sources: CVGHM, BNPB, Magma Indonesia and VAAC Darwin.

At the Nevados Complex in Chillan / Chile, the Sernageomin reports an explosion on May 12 at 20:03 local, associated with an LP earthquake in relation to the dynamics of internal fluids, which partially destroyed the summit dome.

An incandescence related to the emission of gases and pyroclastic materials of high temperature, and deposits in the vicinity of the crater are observed.

The activity remains under the alert level orange

Source: Sernageomin

At Sakurajima, on Kyushu Island, an explosion occurred on May 13 from 1:46 pm, with a plume of ashes rising straight, then drifting towards the NSN.

Sources: JMA