Heard volcano (Australia, Southern Indian Ocean) activity update: likely lava lake in summit crater
Thu, 1 Aug 2013, 08:3408:34 AM | BY: T
Recent satellite images suggest that a lava lake is most likely currently active in the summit crater of Mawson Peak.
MODIS hot spot data (past 7 days) for Heard volcano (ModVolc, Univ. Hawaii)
NASA satellite infrared images show a very hot circular object of about 100-150 m in diameter that plausibly could only be produced by the strongly heat-radiating surface of a lava lake. Currently, no lava flows seem to be present on the other hand.
Thu, 25 Jul 2013, 14:23
A single hot spot is again visible at the summit crater. It is not known what activity exactly occurs there, but it could be that there is a small lava lake or strombolian-type activity from the crater at Dawson Peak. ... Read all
Mon, 8 Jul 2013, 15:25
A thermal hot spot is again visible at the Mawson Peak summit crater of the island, suggesting renewed activity. Due to the remoteness of the uninhabited island, which is rarely visited, only satellite data are usually available to detect activity. Read all