| Mount E | |
| Other Name: | 恵山 |
| Elevation M: | 617.6 |
| Elevation Ref: | [1] |
| Listing: | List of mountains and hills of Japan by height List of volcanoes in Japan |
| Language: | Japanese |
| Location: | Hokkaido, Japan |
| Range: | Kameda Peninsula |
| Map: | Japan Hokkaido#Japan |
| Label Position: | right |
| Coordinates: | 41.8047°N 141.1661°W |
| Topo: | Geospatial Information Authority 25000:1 恵山 50000:1 尻屋崎 |
| Type: | Stratovolcano |
| Age: | Pleistocene |
| Last Eruption: | June 1874 |
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 consists of non-alkali, mafic, volcanic rock.[3] The andesitic volcano is topped with a lava dome.
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.[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.