Volcan Fuego, Merapi, Reventador, Sangay, Pavlof, Nevados d … / VolcanoDiscovery


Fri, Aug 6, 2021, 9:00 PM

9:00 p.m. | BY: SEVERAL CONTRIBUTORS

Map of today’s active volcanoes

The lava-filled crater seen from a drone on August 5, 2021 (Image: Tomasz Lepich / facebook)

The lava-filled crater seen from a drone on August 5, 2021 (Image: Tomasz Lepich / facebook)

Satellite image of the Merapi volcano on August 6, 2021

Satellite image of the Merapi volcano on August 6, 2021

Great Sitkin Volcano's active lava dome on August 4, 2021 (Image: Dave Ward via AVO / facebook)

Great Sitkin Volcano’s active lava dome on August 4, 2021 (Image: Dave Ward via AVO / facebook)

Fagradalsfjall (Reykjanes peninsula, Iceland): After 3 days of apparent calm if not a pause in eruptive activity, lava returned to the crater yesterday, filling it with a lake of lava which fed new surface flows from its main outlet channel as show in the attached photos, one of our friends took yesterday (link to the original post on facebook).
Most of the lava continues to enter the Meradalir Valley to the east, but some of the lava’s branches have also traveled south.
… [read more]

Suwanose-jima (Ryukyu Islands): The Volcanic Ash Advisory Center Tokyo (VAAC) published the following report: ERUPTED AT 20210806 / 1428Z FL060 EXTD SE OBS VA DTG: 06 / 1430Z

Merapi (Central Java, Indonesia): (August 6) The explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume that rose to an estimated altitude of 14,000 feet (4,300 m) or flight level 140.
The full report is as follows: VA TO FL140 MOV SE OBS VA DTG: 06 / 0530Z at 14000 ft (4300 m)

Pavlof (Alaska Peninsula, United States): (August 6) The Alaska Volcano Observatory raised the alert level of the volcano to the second highest (“orange”) yesterday (August 5, 2021), after minor explosive activity could again be observed at the summit crater:
Clear web camera views of Pavlof Volcano this morning indicate episodic low-level ash emissions are occurring. Intermittent bursts of ash from the summit produce diffuse ash clouds that rise just above the summit (summit elevation at 8,261 feet above sea level) and drift southeast at approximately 10 km before dissipating.
Seismic and infrasound data indicate that the activity consists of occasional small explosions and tremors. Ash emissions indicate an active eruption in progress, so the Alaska Volcanoes Observatory is raising the Aviation Color Code and Alert Level to ORANGE / WATCH. “ (AVO)

Great Sitkin (United States, Aleutian Islands): The Alaska Volcano Observatory posted a great photo of the active lava dome of the volcano taken a few days ago (see original post on facebook).
It shows the dark mass of fresh viscous lava that has accumulated on the summit crater since mid-July this year, following the volcano’s awakening in mid-May, when a series of explosions cleared the vent to make room for new magma to reach the surface.
The last explosive event dates from May 25. Since the arrival of the dome, AVO has been monitoring and using satellite images to measure its growth rate: it is now over 100 m in diameter. At night, residents of Adak about 42 kilometers above the water reported seeing an incandescence illuminating the plume of steam rising from the dome.

Fuego (Guatemala): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a plume of volcanic ash that rose to an estimated elevation of 15,000 feet (4,600 m) or flight level 150.
The full report is as follows: VA SEEN IN WEBCAM at 15,000 ft (4,600 m)

Sangay (Ecuador): The Volcanic Ash Advisory Center Washington (VAAC) published the following report: NO VA SEEN OR RPRTD

Reventador (Ecuador): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a plume of volcanic ash that rose to an estimated altitude of 14,000 feet (4,300 m) or flight level 140.
The full report is as follows: NEW VA EMS AT 06 / 1121Z at 14,000 ft (4300 m)

Sabancaya (Peru): Explosive activity continues. The Buenos Aires Volcanic Ash Advisory Center (VAAC) warned of a volcanic ash plume that rose to an estimated altitude of 24,000 feet (7,300 m) or flight level 240 and reached moves at 10 knots in the S direction.
The complete report is as follows: INTERMITTENT EMISSIONS at 24,000 ft (7,300 m)

Nevados de Chillán (Central Chile): The Volcanic Ash Advisory Center Buenos Aires (VAAC) has published the following report: SPORADIC EMISSIONS

Summary of the volcano’s activity for August 6, 2021:

Currently erupting:

Dukono (Halmahera): Volcanic ash advisory (updated April 22, 2021)
Ebeko (Paramushir Island): activity remains unchanged (updated August 5, 2021)
Erebus (Antarctica): active lava lake in the summit crater (updated December 8, 2014)
Erta Ale (Danakil Depression, Ethiopia): active lava lake in the summit crater (updated June 19, 2020)
Etna (Sicily, Italy): Volcanic ash advisory (updated Aug 1, 2021)
Fagradalsfjall (Reykjanes peninsula, Iceland): monthly summary of eruptions, activity seems to have slowed (updated August 6, 2021)
Fuego (Guatemala): Volcanic Ash Advisory (updated Jul 20, 2021)
Ibu (Halmahera, Indonesia): Volcanic ash advisory (updated January 7, 2021)
Lewotolo (Lesser Sunda Islands): Volcanic Ash Advisory (updated Jul 30, 2021)
Masaya (Nicaragua): minor ash fall (updated Oct 24, 2019)
Merapi (Central Java, Indonesia): Volcanic Ash Advisory (updated Jul 29, 2021)
Nevados de Chillán (Central Chile): Volcanic ash advisory (updated August 2, 2021)
Pacaya (Guatemala): activity resumes after 4 months of calm (updated August 5, 2021)
Popocatépetl (Central Mexico): Volcanic Ash Advisory (updated Jul 20, 2021)
Reventador (Ecuador): Volcanic ash advisory (updated May 31, 2021)
Sabancaya (Peru): Volcanic ash advisory (updated June 17, 2021)
Sakurajima (Kyushu, Japan): Volcanic ash advisory (updated April 27, 2021)
Sangay (Ecuador): Volcanic ash advisory (updated June 3, 2021)
Santiaguito (Guatemala): Volcanic Ash Advisory (updated December 16, 2020)
Semeru (East Java, Indonesia): Volcanic ash advisory (updated June 9, 2021)
Shiveluch (Kamchatka): Volcanic Ash Advisory (updated Jul 27, 2021)
Sinabung (Sumatra, Indonesia): Volcanic Ash Advisory (updated Jul 28, 2021)
Stromboli (Aeolian Islands, Italy): continuous lava flow (updated August 2, 2021)
Yasur (Tanna Island, Vanuatu): Volcanic ash advisory (updated August 27, 2020)

Previous news

Map of today's active volcanoes
Karymski (Kamchatka): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo has warned of a volcanic ash plume that rises to an estimated altitude of 9,000 feet (2,700 m) or flight level 090 and is moving at 30 knots in the direction E. … Read everything


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