is an active stratovolcano of the Kameda peninsula. It is located in

Hakodate is a Cities of Japan, city and seaports of Japan, port located in Oshima Subprefecture, Hokkaido, Japan. It is the capital city of Oshima Subprefecture. As of January 31, 2024, the city had an estimated population of 239,813 with 138,807 househol ...

Hokkaidō is the second-largest island of Japan and comprises the largest and northernmost prefecture, making up its own region. The Tsugaru Strait separates Hokkaidō from Honshu; the two islands are connected by railway via the Seikan Tunnel. The ...

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

. Mount Maru is also known as to distinguish it from other Mount Maru's and because of its close association with nearby

Mount E 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. Geology Mount E co ...

Geology

Mount Maru consists of non-alkali, mafic, volcanic rock. The andesitic volcano is topped with a lava dome.

Eruptive history

Mount Maru was last active some 200,000 years ago.

References

External links

Esan Maruyama
- Geological Survey of Japan * Stratovolcanoes of Japan Volcanoes of Hokkaido Mountains of Hokkaido Pleistocene stratovolcanoes {{Hokkaido-geo-stub