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Earth of fire

Actualité volcanique, Articles de fond sur étude de volcan, tectonique, récits et photos de voyage

Publié le par Bernard Duyck
Publié dans : #volcanic activity, #Sismologia
Sinabung - pyroclastic flow on 30.10.2020 - photo Sadrah Peranginangin

Sinabung - pyroclastic flow on 30.10.2020 - photo Sadrah Peranginangin

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

Sinabung - pyroclastic flow of 30.10.2020 / 12:03 p.m. WIB - photo Sadrah Peranginangin

Sinabung - pyroclastic flow of 30.10.2020 / 12:03 p.m. WIB - photo Sadrah Peranginangin

 Sinabung - 10/30/2020 / 2:10 p.m. WIB - photo Sadrah Peranginangin

Sinabung - 10/30/2020 / 2:10 p.m. WIB - photo Sadrah Peranginangin

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.

Suwanosejima - 10/31/2020 / 2:11 p.m.- 2:18 p.m. - JMA webcam

Suwanosejima - 10/31/2020 / 2:11 p.m.- 2:18 p.m. - JMA webcam

 Suwanosejima - 10/31/2020 / 3:41 p.m.-3:42 p.m. - JMA webcam

Suwanosejima - 10/31/2020 / 3:41 p.m.-3:42 p.m. - JMA webcam

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.

 

Sources: Phivolcs

Lahar at Mayon - photo archives Romeo Ranoco / Reuters 2018

Lahar at Mayon - photo archives Romeo Ranoco / Reuters 2018

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.

Samos - damage following the earthquake of 30.10.2020 - via Facebook

Samos - damage following the earthquake of 30.10.2020 - via Facebook

Izmir region in Turkey - Damage following the earthquake of 30.10.2020 - EMSC photos - one click to enlarge Izmir region in Turkey - Damage following the earthquake of 30.10.2020 - EMSC photos - one click to enlarge

Izmir region in Turkey - Damage following the earthquake of 30.10.2020 - EMSC photos - one click to enlarge

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