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McDonald Islands vulcano

Aggiornato: 28 nov. 2022 16:47 GMT -
Complex volcano 230 m / 755 ft
Australia, Southern Indian Ocean, -53.03°S / 72.6°E
Stato attuale: normal or dormant (1 di 5)
Last update: 19 gen 2022 (steaming observed)

Mostra la mappa interattiva
Stile eruttivo tipico: non specificato
Eruzioni del vulcano McDonald Islands: 2005, 2004?, 2001, 1996, 1992

Latest nearby earthquakes

Non terremoti recenti

Sfondo

Historical eruptions have greatly modified the morphology of the McDonald Islands, located on the Kerguelen Plateau about 75 km west of Heard Island. The largest island, McDonald, is composed of a layered phonolitic tuff plateau cut by phonolitic dikes and lava domes. A possible nearby active submarine center was inferred from phonolitic pumice that washed up on Heard Island in 1992. Volcanic plumes were observed in December 1996 and January 1997 from McDonald Island. During March of 1997 the crew of a vessel that sailed near the island noted vigorous steaming from a vent at the northern side of the island along with possible pyroclastic deposits and lava flows. A satellite image taken in November 2001 showed the island to have more than doubled in area since previous reported observations in November 2000. The high point of the island group had shifted to the northern end of McDonald Island, which had merged with Flat Island.
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Smithsonian / GVP volcano information


See also: Sentinel hub | Landsat 8 | NASA FIRMS
Sat, 6 Feb 2016, 11:19

McDonald Islands volcano (Austral Islands, Australia) activity update: steaming observed

Some activity might be occurring at the remote volcano: ... Read all
Wed, 27 Jan 2016, 06:00

McDonald Islands volcano - Smithsonian / USGS Weekly Volcanic Activity Report for 27 January-2 February 2016 (New Activity / Unrest)

Scientists and crew aboard CSIRO's (Commonwealth Scientific and Industrial Research Organisation) Marine National Facility research vessel Investigator observed a plume rising from McDonald Island (the largest island) during the last week of January. Visual observations of the McDonald Islands are very rare due to its remote location. ... Read all
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