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Thermal image from 1 Dec. shows considerable magmatic activity in the lava and in just over 24 hours it has stretched about 450 m to NNA through the new extrusion at the northeastern margin. West of the lava lake, the lava river now branches towards north. The southern margin is also active; a new extrusion seems to be forming due south from the lava lake and something similar is taking place just east of that. On this image, the plume appears like a brownish cloud over the middle part of the lava field and pillows of steam still seem to hover over the eastern part. Contrarily, the green effects are simply artefacts and tricks of light. (Image: Institute of Earth Sciences)