[ad_1] A trail of volcanic islands off the coast of southern Alaska may actually be part of a single giant caldera, according to evidence presented next week at the American Geophysical Union’s autumn meeting. If so, it’s possible that the newly revealed volcanic giant once exploded in an explosion large …
Read More »The islands of Alaska could be part of a single giant volcano
[ad_1] The photo is an oblique aerial view of the volcanoes of the Four Mountain Islands, Alaska. In … [+] the center is the summit of Mount Tana. Behind Tana are (left to right) the Herbert, Cleveland and Carlisle volcanoes. USGS / John Lyons Ongoing research at the Alaska Volcano …
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