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Volcanic activity worldwide 25 May 2019: Popocatépetl volcano, Krakatau, Dukono, Agung, Reventador,...

Saturday May 25, 2019 21:00 PM | DOOR: SEVERAL CONTRIBUTORS

Map of today's active volcanoes
Map of today's active volcanoes
Seismic signal from last night's explosion at Sinabung (image: Magma Indonesia)
Satellite image of Sinabung volcano on 25 May 2019
Satellite image of Sinabung volcano on 25 May 2019
Satellite image of Sinabung volcano on 24 May 2019
Satellite image of Sinabung volcano on 24 May 2019
Krakatau's water-filled crater as seen on 4 May 2019 (image: Galih Jati / VolcanoDiscovery Indonesia)
Krakatau's water-filled crater as seen on 4 May 2019 (image: Galih Jati / VolcanoDiscovery Indonesia)
Satellite image of Dukono volcano on 25 May 2019
Satellite image of Dukono volcano on 25 May 2019
Sinabung (Sumatra, Indonesia): Just few days after the official alert level had been decreased, a massive explosion occurred during the last night at 02:53 local time, generating an ash plume that rose to possibly up to 15 km altitude (50,000ft).
The height of the plume was estimated by VAAC Tokio using satellite imagery. It quickly drifted and dissipated in southerly directions. Even if the plume was (which is likely) a bit smaller than the estimate, it illustrates that the volcano is unpredictable. and capable of producing strong eruptions. According to seismic data, the event lasted more than 7 minutes and produced a very strong signal (120 mm amplitude).
... [read more]
...25 May:
Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: VA NO LONGER DISCERNIBLE ON SATELLITE IMAGERY.
...25 May:
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 50000 ft (15200 m) altitude or flight level 500 .
The full report is as follows: DISCRETE ERUPTION TO FL500 MOV NW AT 15KT OBS VA DTG:25/0435Z to 50000 ft (15200 m)
...24 May:
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Wellington warned about a volcanic ash plume that rose up to estimated 50000 ft (15200 m) altitude or flight level 500 .
The full report is as follows: VA OBS TO FL500 MOV WEST. to 50000 ft (15200 m)

Krakatau (Sunda Strait, Indonesia): The volcano remains restless and produces intermittent explosions every few days or so from its new crater. These are likely caused by overheated water in the upper conduit flashing to steam, although no precise information is available.
When new magma will appear on the surface and start a more continuous eruptive phase is speculation, but a likely scenario for a not-too-distant future (months?). Thermal signals and seismic activity have been slowly picking up again during the past weeks, suggesting that magma might be rising from underneath.
... [read more]

Dukono (Halmahera): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 7000 ft (2100 m) altitude or flight level 070 and is moving at 5 kts in N direction.
The full report is as follows: VA OBS TO FL070 EXT WNW 25/2020Z. to 7000 ft (2100 m)
...25 May:
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 10000 ft (3000 m) altitude or flight level 100 .
The full report is as follows: CONTINUOUS VA EMISSION TO FL100 OBS VA DTG:25/0845Z to 10000 ft (3000 m)

Agung (Bali): (25 May) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 and is moving at 5 kts in SE direction.
The full report is as follows: DISCRETE ERUPTION TO FL150 OBS AT 24/1130Z OBS VA DTG:25/0400Z to 15000 ft (4600 m)

Popocatépetl (Central Mexico): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: NEW VA EMS AT 1231Z

Reventador (Ecuador): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 .
The full report is as follows: ONGOING VA EMS to 15000 ft (4600 m)
...25 May:
Volcanic Ash Advisory Center Washington (VAAC) issued the following report: CONT VA EMS

Sabancaya (Peru): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Buenos Aires warned about a volcanic ash plume that rose up to estimated 27000 ft (8200 m) altitude or flight level 270 and is moving at 20 kts in NE direction.
The full report is as follows: SOME STRONG PUFFS OF VA to 27000 ft (8200 m)
...25 May:
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Buenos Aires warned about a volcanic ash plume that rose up to estimated 27000 ft (8200 m) altitude or flight level 270 and is moving at 35 kts in NE direction.
The full report is as follows: SOME STRONG PUFFS OF VA to 27000 ft (8200 m)

Nevados de Chillán (Central Chile): Volcanic Ash Advisory Center Buenos Aires (VAAC) issued the following report: WEAK SPORADIC PUFFS OF VA
Vorig nieuws
Map of today's active volcanoes
Friday, May 24, 2019
Karymsky (Kamchatka): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 12000 ft (3700 m) altitude or flight level 120 and is moving at 25 kts in NE direction. ... [meer...]
Map of today's active volcanoes
Thursday, May 23, 2019
Sakurajima (Kyushu, Japan): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 9000 ft (2700 m) altitude or flight level 090 and is moving at 20 kts in SE direction. ... [meer...]
Map of today's active volcanoes
Monday, May 20, 2019
Karymsky (Kamchatka): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 9000 ft (2700 m) altitude or flight level 090 and is moving at 30 kts in SE direction. ... [meer...]

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