Volcanic activity worldwide 12 May 2021: Pacaya volcano, Fuego, Popocatépetl, Merapi, Semeru, Ibu, ... - VolcanoDiscovery

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Wed, 12 May 2021, 21:00

21:00 PM | BY: SEVERAL CONTRIBUTORS

Map of today's active volcanoes

The graph depicts parameters of the lava flow discharge rate, lava flow area, lava volume, rock geochemistry and volcanic gases since the eruption began (image: IMO)

Satellite image of Ibu volcano on 11 May 2021

Incandescent avalanches from the lava dome (image: @merapi_uncover/twitter)

Satellite image of Semeru volcano on 11 May 2021

The eruptive fissure vent on the NW flank feeds the lava flow (image: @DavidHe11952876/twitter)

Fagradalsfjall (Reykjanes Peninsula, Iceland): The activity of the current eruption site continues at elevated levels during the past two weeks characterized by lava fountaining episodes, about 400-500 m tall, at roughly regular intervals of 7 to 10 minutes.
According to the latest measurements by the University of Iceland's Institute of Earth Sciences from 10 May, the lava flow discharge rate increased significantly, from 8 to 13 cubic meters per second! The effusive eruption is now twice as it has been during the most of the active period. Lava flows traveling and continue to fill into the Meradalir valley.
... [read more]

Taal (Luzon, Philippines): Internal activity has increased at the volcano. Compared to the past days, the number of volcanic earthquakes detected by the local seismic network as well as sulfur dioxide gas emissions have risen significantly.
According the the latest bulletin of the Philippine Institute of Volcanology and Seismology (PHIVOLCS), the Taal Volcano Network recorded 355 volcanic earthquakes during t24 hours between 11-12 May. These include 201 low frequency volcanic earthquakes and 154 volcanic tremor events having durations of two 2-35 minutes. In addition, the low-level background tremor that has persisted since 08 April 2021 remains present as well.
... [read more]

Ibu (Halmahera, Indonesia): (11 May) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 6000 ft (1800 m) altitude or flight level 060 .
The full report is as follows: DISCRETE VA EMISSIONS TO FL060 MOV NW OBS VA DTG:11/2253Z to 6000 ft (1800 m)

Merapi (Central Java, Indonesia): (12 May) Pyroclastic flows (gravity-driven mass flows) continue to occur from the actively growing lava dome.
Gravitational collapse of parts of the dome triggered block-and-ash flows that lifted ash plumes as it descended the SW and SE slopes.
... [read more]

Semeru (East Java, Indonesia): (11 May) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 14000 ft (4300 m) altitude or flight level 140 and is moving at 10 kts in NW direction.
The full report is as follows: DISCRETE VA EMISSIONS TO FL140 EXTN NW OBS VA DTG:11/2337Z to 14000 ft (4300 m)

Dukono (Halmahera): Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: CONTINUOUS VA EMISSIONS TO FL070 EXTD NW EST VA DTG:12/1900Z

Popocatépetl (Central Mexico): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 19000 ft (5800 m) altitude or flight level 190 and is moving at 10 kts in SE direction.
The full report is as follows: NEW VA EMS OBS to 19000 ft (5800 m)

Pacaya (Guatemala): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 11000 ft (3400 m) altitude or flight level 110 and is moving at 10 kts in W direction.
The full report is as follows: CONT LGT VA EMS OBS to 11000 ft (3400 m)
...12 May:
The effusive-explosive strombolian activity of the volcano continues.
Sporadic ash emissions of small-to-moderate size occurred from the Mackenney summit crater which rose to estimated 3 km altitude.
... [read more]

Fuego (Guatemala): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 16000 ft (4900 m) altitude or flight level 160 and is moving at 10 kts in W direction.
The full report is as follows: LGT CONT VA EMS OBS to 16000 ft (4900 m)

Sabancaya (Peru): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Buenos Aires warned about a volcanic ash plume that rose up to estimated 23000 ft (7000 m) altitude or flight level 230 .
The full report is as follows: INTERMITTENT VA PUFFS to 23000 ft (7000 m)

Nevados de Chillán (Central Chile): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Buenos Aires warned about a volcanic ash plume that rose up to estimated 13000 ft (4000 m) altitude or flight level 130 .
The full report is as follows: INTERMITTENT VA PUFFS to 13000 ft (4000 m)

Volcano Activity Summary for 12 May 2021:

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