Activity of Anak Krakatau, Kuchinoerabujima, Nevado del Ruiz and Sabancaya.

An eruptive episode, accompanied by a plume of ash moving to the northwest, occurred on February 8 at 11:10 a.m. UTC (6:10 p.m. local) at Anak Krakatau.

The PVMBG mentions, at the seismicity level, 3 eruption earthquakes, two hybrid earthquakes, a low frequency earthquake, and a continuous tremor of dominant amplitude at 2 mm.

The VONA is orange. The other alerts remain identical to the previous days.

Sources: CVGHM, Magma Indonesia and VAAC Darwin

The Kuchinoerabujima, in the Ryukiu archipelago, was the site of a small explosion on February 9 at 9:50 a.m. local, with an ash plume rising 500 meters above the crater, before dispersing to the southeast.

Sources: JMA & VAAC Tokyo

Tropomi reports for this February 8 two strong sulfur dioxide signals for

- the Nevado del Ruiz, with a mass of 0.54 kt, north-northwest direction

- and for the Sabancaya, mass 0.97 kt, north-west direction.

Source: TROPOMI SO2 / DLR / BIRA / ESA