A dark-blue lake near the eruptive center of the 1928 eruption. It has a surface of thin salt crust that moves with convection. (Photo: Tom Pfeiffer)
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One of the world's most famous volcanoes looming over the City of Naples
Volcano Calendar 2019
: We're proud to present our 2019 volcano calendar: 13 different and attractive images of volcanoes, volcanic landscapes and phenomena taken during volcano tours over the past few years.
Divergent plate boundaries in oceans
: Two ocean plates move apart from each other. Hot upwelling mantle material forms magmas that continuously produce new oceanic crust. An ocean widens.
: News in this category include: latest and archived earthquake lists & maps, reports, largest recent earthquakes, quakes near volcanoes, significant quakes etc - news and articles about earthquakes world-wide.