Mount E
Active stratovolcano on the island of Hokkaido, Japan
From Wikipedia, the free encyclopedia
Mount E (恵山, E-san) is an active stratovolcano of the Kameda peninsula, which is itself part of the larger Oshima Peninsula. It is in the rural, eastern region of Hakodate, Hokkaido, Japan. Mount E is part of Esan Prefectural Natural Park.[2]
| Mount E | |
|---|---|
| 恵山 | |
| Highest point | |
| Elevation | 617.6 m (2,026 ft)[1] |
| Listing | List of mountains and hills of Japan by height List of volcanoes in Japan |
| Coordinates | 41°48′17″N 141°09′58″E[1] |
| Naming | |
| Language of name | Japanese |
| Geography | |
| Location | Hokkaido, Japan |
| Parent range | Kameda Peninsula |
| Topo map(s) | Geospatial Information Authority 25000:1 恵山 50000:1 尻屋崎 |
| Geology | |
| Rock age | Pleistocene |
| Mountain type | Stratovolcano |
| Volcanic arc | Northeastern Japan Arc |
| Last eruption | June 1874 |

Geology
Mount E consists of non-alkali, mafic, volcanic rock.[3] The andesitic volcano is topped with a lava dome.[4][5]
Eruptive history
Mount E last erupted on June 8, 1874. This eruption consisted of phreatic explosions, and was rated a 1 on the VEI scale.[4]
The oldest recorded eruption started November 18, 1846. The eruption triggered lahars damaging several houses and causing fatalities.[4][5]
Radiocarbon dating and tephrochronology indicate five other eruptions predating the historical records in the approximate years 1350, 550 BC, 1050 BC, 3900 BC ±100 years, 7050 BC. The eruption in 7050 BC was the largest with a VEI of 3.[4]