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Diaporama
Heard volcan
Stratovolcano 2745 m / 9,006 ft
Australia, Southern Indian Ocean, -53.11°S / 73.51°E
Condition actuelle: en vigilance - niveau agité (2 sur 5)
Heard webcams / données en temps réel | Reports
Heard livres | Tours
Eruptions du volcan Heard:
2008 
Style éruptif tipique:
unspecified
Derniers séismes proches
Derniers images satellite

Sentinel hub | Landsat 8
 

Heard Island volcano news & activity updates

Heard volcano (Australia, Southern Indian Ocean) activity update

mardi oct. 02, 2018 09:03 | AUTEUR : T

No thermal signals from Heard volcano during the past 7 days (image: MODIS / Univ. Hawaii)
No thermal signals from Heard volcano during the past 7 days (image: MODIS / Univ. Hawaii)
Heat radiation from Heard Island during the past months (image: Mirova)
Heat radiation from Heard Island during the past months (image: Mirova)
The recent activity (unknown in its exact nature) seems to have either ended or significantly decreased. The thermal signal which had been strong in July and suggested the presence of active lava gradually decreased during August and Sep (s. image).
We therefore lower the level of activity to orange.
Actualités précédentes
Heat radiation from Heard Island during the past months (image: Mirova)
dimanche, août 19, 2018
It seems very likely that a new eruption has been taking place at the remote volcano: since mid June, and in particular during the second half of July, a moderate to strong thermal anomaly has been present at the volcano's summit. ... [details]
jeudi, juin 22, 2017
Weak effusive activity continues from the volcano and seems to have picked up during the past days. Recent satellite imagery revealed an elongated source of heat emission on the upper NW flank, which likely corresponds to a new small lava flow approx. 500 m long that occurred as result of overflow from the crater. ... [details]
Hot spots on Heard Island summarized over the past 7 days (MODIS / Univ. Hawai'i)
jeudi, févr. 09, 2017
A new strombolian-type, explosive-effusive eruption has been detected at the summit of the remote but frequently active volcano in the southern Indian Ocean. ... [details]
MODIS thermal signal from Heard Island volcano (MIROVA)
mardi, oct. 18, 2016
A new eruption has been occurring at the remote volcano. It probably started in mid June and seems to be still going on. ... [details]
Lava flow at Heard Island volcano (image: CSIRO / youtube)
lundi, févr. 01, 2016
An eruption was observed by crew on board the CSIRO research vessel Investigator in late January. A lava flow was seen descending the NW flank of Mawson Peak: ... [details]

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