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The Alaska Volcano Observatory is reporting that both current eruptions in the Aleutians - at Okmok Caldera and Mount Cleveland - are showing signs of a lava extruding from the vent. Thermal anomalies have been imaged at the vents of both volcanoes, although no lava has been seen thus far. Both…
The Halema'uma'u Crater at Kilauea on June 29, 2009, prior to a rockfall on June 30th that has blocked the vent. Image courtesy of HVO.
There is a bit of a buzz today about significant rockfalls that occurred in Halema'uma'u Crater at Kilauea on June 30th. Some articles have suggested that the…
Lucernaria janetae (Cnidaria: Staurozoa: Lucernariidae)
Stauromedusae are not entirely uncommon, but not entirely common either. In fact "stalked jellyfish", as they are sometimes known, are very rare in the deep sea and only about 50 species are described (5). Only one other…
Not sure how it was kept quiet for most of the week (well, at least to me), but geologists at the HVO have noticed a new lava lake in Halemaumau Caldera on Kilauea (Hawai'i). The lava lake is around 330 feet (~100 meters) below the crater rim and ~160 feet (50 meters) across with sections of…