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Actualité volcanique, Articles de fond sur étude de volcan, tectonique, récits et photos de voyage

volcanic activity

Semisopochnoi, Ibu, Mayon, and Meradalur activity.

Semisopochnoi, Ibu, Mayon, and Meradalur activity.

Ash plume from Cerberus North crater at Semisopochnoi 9 minutes after the start of the eruption - August 21, 2022 21:56 UTC - Doc. AVO webcam via Loewen, Matt - one click to enlarge A short-lived explosion occurred at Semisopochnoi's Cerberus crater at...

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News from Meradalur, Merapi, and American Samoa.

 News from Meradalur, Merapi, and American Samoa.

Meradalur - degassing observed on 08.20.2022 / 1:55 p.m. - visir webcam - one click to enlarge Activity at the Meradalur vents and associated tremor has been gradually decreasing over the past three days, so much so that by Saturday afternoon, no fountains...

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Activity of Santiaguito, Merapi, Meradalur, and death in Yellowstone.

Activity of Santiaguito, Merapi, Meradalur, and death in Yellowstone.

Santiaguito - plume, and incandescence in the crater and at the flow front - Landsat-9 Swir image from 14.08.2022 - Insivumeh - one click to enlarge Given the strong expulsion of lava from the Santiaguito volcano, which advances on the bed of the San...

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Activity in Meradalur, Nevado del Ruiz and Erta Ale.

 Activity in Meradalur, Nevado del Ruiz and Erta Ale.

In the Vísir.is webcam you can see that the crater on the fissure at Meradalur has changed a lot in the last 24 hours ... without spectators due to the closure of the eruptive site. There have been collapses in the southeast corner of the crater, and...

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News from the island of Ta'u in Samoa, and Semeru.

News from the island of Ta'u in Samoa, and Semeru.

Samoa - Ta'u island - Sentinel-2 Copernicus image from 29.10.2019 / GVP-12401 description below - one click to enlarge The HVO reported that earthquakes were felt by residents of the Manu'a group of islands in American Samoa beginning July 26. Residents...

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Activity of Sangay, Meradalur and Sabancaya.

Activity of Sangay, Meradalur and Sabancaya.

Sangay - plume of ash and gas on 08.16.2022 / 07:14 - Doc. IGEPN - one click to enlarge Activity levels in Sangay, Equateur remain high, superficially and internally. The surface trend is up. Seismicity is characterized by: Explosion (EXP) 20 - Long period...

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News from Meradalur, Kilauea, Turrialba, Poas and Rincon de La Vieja.

News from Meradalur, Kilauea, Turrialba, Poas and Rincon de La Vieja.

Meradalur - 14.08.2022 - eruptive site and lava field - on the image below, the right lobe is the probable place of spillage of the lava flows towards the south - Doc. Loftmyndir ehf. / via Eldfjallafræði og náttúruvárhópur Háskóla Íslands - one click...

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Activity of Sangay, Turrialba, Ticsani and Meradalur.

Activity of Sangay, Turrialba, Ticsani and Meradalur.

This August 12 at 8:00 p.m. local time, the IGEPN announces an increase in the internal and superficial activity of the Sangay volcano. From 10:00 TL, an increase in seismic energy was recorded, which resulted in the emission of a new lava flow, sounds...

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News from Meradalur, disaster in Stromboli and lahar in Fuego.

News from Meradalur, disaster in Stromboli and lahar in Fuego.

Meradalur - observation of high lava fountains on 08.11.2022 - Photo © Pascal Blondé - one click to enlarge Here are some numbers for the magma discharge for the eruption in Meradalur, as obtained via new high-resolution lava elevation models. The volume...

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Taal, Etna, Whakaari and Meradalur activity.

Taal, Etna, Whakaari and Meradalur activity.

Taal - Steam-rich plume emitted from Taal Main Crater taken by Cuenca Station, Batangas (VTCU) on 2022.08.12 / 09:11 - one click to enlarge Taal Main Crater emitted 13,572 tons per day of volcanic sulfur dioxide on 11.08.2022, causing volcanic smog or...

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