Mount Hakone

Mount Hakone (箱根山, Hakoneyama), with its highest peak Mount Kami (1,438 meters), is a complex volcano in Kanagawa Prefecture, Japan that is truncated by two overlapping calderas, the largest of which is 10 × 11 km wide. The calderas were formed as a result of two major explosive eruptions about 180,000 and 49,000–60,000 years ago. Lake Ashi lies between the southwestern caldera wall and a half dozen post-caldera lava domes that arose along a southwest–northeastern trend cutting through the center of the calderas. Dome growth occurred progressively to the south, and the largest and youngest of them, Mount Kami, forms the high point of Hakone. The calderas are breached to the east by the Haya River canyon. Mount Ashigara is a parasitic cone.

Mount Hakone
Hakone volcano from the SW.
Highest point
Elevation1,438 metres (4,718 ft)
Coordinates35.230°N 139.024°E / 35.230; 139.024
Naming
Native name箱根山 (Japanese)
Geography
Mount Hakone
Mount Hakone
Mount Hakone (Kanto Area)
Mount Hakone
Mount Hakone (Kanagawa Prefecture)
Geology
Mountain typeComplex calderas
Last eruptionJune to July 2015

The latest magmatic eruptive activity at Hakone occurred 2,900 years ago. It produced a pyroclastic flow and a lava dome in the explosion crater, although phreatic eruptions took place as recently as the 12–13th centuries AD.

According to the nearby Hakone Shrine, the Komagatake peak has been the object of religious veneration since ancient times.

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