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Volcanic activity worldwide 13 Feb 2018: Fuego volcano, Popocatépetl, Dukono, Agung, Reventador, Tu...

mardi févr. 13, 2018 21:00 |

Map of today's active volcanoes
Map of today's active volcanoes
Location of the past days' earthquakes on Sao Miguel island
Location of the past days' earthquakes on Sao Miguel island
Webcam view of Mayon's lava flows last night (mostly cloudy views prevented cleaner images)
Webcam view of Mayon's lava flows last night (mostly cloudy views prevented cleaner images)
Satellite image of Mayon volcano on 13 Feb 2018
Satellite image of Mayon volcano on 13 Feb 2018
Satellite image of Dukono volcano on 13 Feb 2018
Satellite image of Dukono volcano on 13 Feb 2018
This morning's explosion at Agung (image: MAGMA Indonesia, @id_magma / twitter)
This morning's explosion at Agung (image: MAGMA Indonesia, @id_magma / twitter)
Satellite image of Fuego volcano on 12 Feb 2018
Satellite image of Fuego volcano on 12 Feb 2018
Furnas (Sao Miguel Island, Azores): An earthquake swarm has been going on since Monday (12 Feb 2018) in central Sao Miguel island.
The Volcano Observatory (Observatório Vulcanológico e Sismológico da Univ. dos Açores, CIVISA) recorded dozens of mostly small quakes at shallow depths between 1-15 km in an area about 6-7 km west of Furnas volcano, half way between the caldera lakes of Lagunas Fogo and do Congro. The largest were 6 earthquakes of magnitudes 3.0-3.6, some of which were felt by local inhabitants.
... [read more]

Mayon (Luzon Island, Philippines): The volcanic activity has continued with little changes, but shown a decreasing tendency. A recent gas measurement suggests a strong decrease in SO2 output from the volcano, which could suggest a beginning exhaustion of the magma supply.
On the other hand, GPS and tiltmeters continue to see inflation (swelling) of the volcanic edifice caused by internal magma pressure.
... [read more]
...13 Feb:
Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: ERUPTION VA CLD UNKNOWN REPORTED AT 20180213/0907Z OBS VA DTG:13/0910Z

Dukono (Halmahera): Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: CONTINUOUS VA EMISSIONS TO FL060 OBS VA DTG:13/1245Z

Agung (Bali): The eruption of the volcano has not ended: Just few days after the official alert status of the volcano had been decreased from 4 (highest) to 3 on the Indonesian scale of 1-4, a sudden, moderately violent explosion occurred this morning.
The short-lived explosion began at 11:49 local time and produced a dense ash-loaded plume that rose quickly to approx. 1500 m above the volcano. It seems likely to have been a vulcanian-style explosion, caused by sudden release of accumulated gas pressure trapped inside the sticky magma in the upper conduit, and shows that even though the overall activity has been slowing down and the eruption is likely approaching its end, the volcano remains dangerous.
...13 Feb:
Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: CVGHM REPORT ERUPTION TO FL150 MOV E AT 13/0400Z.

Popocatépetl (Central Mexico): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: LGT VA EMS
...13 Feb:
Volcanic Ash Advisory Center Washington (VAAC) issued the following report: NEW VA EM OBSD

Fuego (Guatemala): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: CONT VA EMS
...12 Feb:
Volcanic Ash Advisory Center Washington (VAAC) issued the following report: VA EM NOT OBSD

Turrialba (Costa Rica): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: POSS VA

Reventador (Ecuador): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: VA EMS OBS
Actualités précédentes
Map of today's active volcanoes
vendredi, févr. 09, 2018
Öraefajökull (Iceland): Light seismic unrest continues at the volcano. This morning, a shallow magnitude 3.4 earthquake occurred this morning 3.2 km SE of Hvannadalshnjúkur under the volcano's caldera. ... [details]

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