New video from around Mount Hakone Japan from the past 2-3 days (up to May 24, 2015) shows signs of major volcanic unrest taking place. Rising ground, steam venting in multiple places, and warnings issued from professionals of a soon coming eruption.
This volcano, Mount Hakone, has not erupted in over 800 years (since the 12th century / middle ages).
Full website post on the current status of this volcano here:
Over the past few weeks this long dormant volcano located 45 miles Southwest of downtown Tokyo Japan has began to show signs of eruption
Since the beginning of May 2015, activity has rapidly increased to the point where Japanese officials have issued warnings and travel restrictions around this location.
The area around the volcano has risen over 4 inches (12cm) in the past 2-3 weeks, now the steaming is becoming excessive — as seen in this video from locals in the area.