Eruption Update: Quake Swarms Hit Iceland, Japan Rumbles

Steam rises from a slope near the hot springs resort of Hakone, Kanagawa prefecture on June 30, 2015. Japan's meteorological agency on June 30 raised a volcanic warning for the popular hot springs resort of Hakone by one notch. JIJI PRESS/AFP/Getty ImagesJapan Earlier this spring, the area around Hakone has deemed too dangerous for the tourists who usually frequent the area due to increased seismicity and deformation of the volcano near Tokyo. Yesterday, Hakone experienced a small explosion that could be a precursor of more eruptive activity or merely heating up of hydrothermal system. This explosion was likely a steam-driven (phreatic) explosion caused by water heating up to the point of boiling in the upper parts of Hakone's hydrothermal system. A landslide accompanied the explosion, although it is unclear whether it preceded or followed the event. You can check out some video of the vent that had the explosion, along ...