Actualité volcanique, Articles de fond sur étude de volcan, tectonique, récits et photos de voyage
Par Bernard Duyck
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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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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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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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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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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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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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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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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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 - 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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