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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
Sinabung - eruption of 11/02/2020 / 11:58 p.m. WIB - photo PVMBG 11/03/2020 / 00:07 WIB

Sinabung - eruption of 11/02/2020 / 11:58 p.m. WIB - photo PVMBG 11/03/2020 / 00:07 WIB

An eruption occurred at Sinabung on Monday, November 02, 2020 at 11:58 p.m. WIB accompanied by a gray and thick ash plume, observed at about 1500 m. above the summit (± 3960 m above sea level). This eruption was recorded on a seismograph with a maximum amplitude of 7 mm and a duration of 783 seconds.

Regarding VONA or the opinion of the Volcanoes Observatory for Aviation, the color code orange was issued on November 2, 2020 at 23.58 WIB.

 

For the rest of the seismic data, this November 2 is recorded:

2 earthquakes accompanying pyroclastic flows, with an amplitude of 120 mm and an earthquake duration of 149-225 seconds.

70 times collapse / avalanche earthquakes

16 blast / emission earthquakes

14 low frequency earthquakes

16 hybrid / multiphase earthquakes

Sinabung - areas closed to access on 02.11.2020 - Doc. BNPB

Sinabung - areas closed to access on 02.11.2020 - Doc. BNPB

Communities and visitors or tourists not to conduct activities in villages that have been displaced, as well as the location within a radial radius of 3 km from the summit of Mount Sinabung, and a sector radius of 5 km for the southern sector -est and 4 km for the eastern sector. North.

 

Source: PVMBG, Magma Indonesia & BNPB

Sakurajima - explosion of 03.11.2020 / 15:52 - 16:08 - Doc. JMA

Sakurajima - explosion of 03.11.2020 / 15:52 - 16:08 - Doc. JMA

Sakurajima - Volcanic Ash Advisory - Doc. VAAC Tokyo 03.11.2020 / 0600Z

Sakurajima - Volcanic Ash Advisory - Doc. VAAC Tokyo 03.11.2020 / 0600Z

In Japan, the Sakurajima experienced its 199th explosion of the year, this November 3 at 3:51 p.m. local / 3:06 a.m. UTC. The ash plume rose to 1,800 m above the crater, with a dispersion towards the south-east.

Sources: JMA & VAAC Tokyo

Yellowstone N.P. - A snowcoach at Norris Junction this 02.11.2020 - Yellowstone N.P.

Yellowstone N.P. - A snowcoach at Norris Junction this 02.11.2020 - Yellowstone N.P.

In Yellowstone, the month of October was mainly marked by the preparation of surveillance equipment for the winter period, and the withdrawal of semi-permanent stations.

The volcanic alert remained Normal and the aviation code Green.

The Steamboat geyser experienced 4 watery eruptions on October 5, 14, 19 and 27 ... bringing this year's total to 42.

No seismic swarms this month, and activity remained below baseline with 86 earthquakes recorded.

The subsidence of the Yellowstone caldera continues at a rate of 2-3 cm per year; there is a small deformation in the area of ​​the Norris basin, which began in 2020.

 

Source: YVO

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