In Sinabung, the PVMBG reported for October 30 two pyroclastic flows moving over 2,000 to 2,500 meters and avalanches over 500 to 1,000 meters, in a southeast and south direction. A plume is observed at 50-500 above the crater.
The seismicity of October 30 is broken down into:
- 2 earthquakes accompany the pyroclastic flows
- 77 earthquakes of collapse
- 11 blast earthquakes
- 16 low frequency earthquakes
- 9 hybrid / multiphase earthquakes
- 2 distant tectonic earthquakes.
The activity level remains at 3 / siaga.
Source: PVMBG and Beidar sinabung
The explosions follow one another on Suwanosejima, in the Ryukyu archipelago.
The JMA noted 2 episodes on October 31 at 2:15 p.m. and 3:40 p.m. local time, respectively accompanied by an ash plume at a height of 800 m. and 1,000 m. above the crater.
VAAC Tokyo issued 11 volcanic ash advisories between October 29 and October 31 (6:49 am UTC)
Sources: JMA & VAAC Tokyo.
On October 30, 2020 at 10:30 p.m., the Phivolcs issued an advisory concerning the generation of post-eruptive lahars for the volcanoes of Luzon - Mayon, Pinatubo and Taal -, following the prolonged heavy rains, caused by Typhoon Rolly.
After the M6.6 - 7 earthquake that hit the Aegean Sea, the Turkish coast and the Greek island of Samos, followed by numerous aftershocks, the authorities recommended that residents meet in open spaces and set up for the victims tents and camp beds.
In addition to the material damage, two teenagers were killed on Samos when a wall fell.
The total provisional toll has grown: at least 26 dead and 800 injured.
Source: European media.