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Omanago volcano

lava domes 2367 m / 7,766 ft
Honshu, Japan, 36.79°N / 139.51°E
Current status: dormant (1 out of 5)
Omanago volcano books
Typical eruption style: effusive
Omanago volcano eruptions: unknown, 3050 BC (?)
TimeMag. / DepthDistanceLocation
Sat, 15 Jul
Sat, 15 Jul 21:19 UTCM 2.6 / 8.4 km19 kmNORTHERN TOCHIGI PREF
Mon, 26 Jun
Mon, 26 Jun 23:32 UTCM 2.5 / 10.7 km9 kmTOCHIGI GUNMA BORDER
Thu, 22 Jun
Thu, 22 Jun 09:05 UTCM 2.7 / 101.2 km27 kmNORTHERN TOCHIGI PREF
Omanago volcano consists of 5 closey spaced lava domes in Nikko National Park. They are located north and NW of Nantai volcano.
The highest of the dacitic domes is 2367-m-high Omanago, which later erupted andesitic lavas. Mitsu-dake lava dome, which overlooks the hot spring resort of Lake Yunoko, was radioarbon dated at about 5000 years ago.
Mitsu-dake lava dome overlooks Lake Yunoko hot spring resort. Lake Yunoko is located at an altitude of 1478 m and is 3 km in circumference.


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