Lake Mashu is a endorheic crater lake formed in the caldera of a potentially active volcano. It is located in Akan National Park on the island of Hokkaido, Japan. The lake has been called the clearest lake in the world. Mashu volcano is located on the east wall of the Kussharo caldera (26km east-west, 20km north-south), and formed as a stratovolcano no later than 34,000 years ago (Hasegawa et al., 2009), but approximately 7,000 years ago a large eruption formed a caldera (the Mashu caldera, 5.5km east-west, 7.5km north-south). Inside the Mashu caldera is Lake Mashu, and in the center of the lake is a dacitic lava dome (Kamuishu Island). On the southeast wall of the caldera is Kamuinupuri (Mashudake), a small andesite and dacite stratovolcano. The SiO2 content is between 52.4 and 73.0 wt %.
lac Mashu en kanji
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Hokkaidō, préfecture d'Hokkaido, nature, vecteur, écrit vertical, 北海道 People also views for about lake
Œuvres recommandées par le créateur Aokage
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Il a remporté plusieurs médailles d'or et d'argent en calligraphie japonaise (Shodo). Il adore les sushis et les sashimis. Ayant pratiqué la calligraphie depuis son enfance, son père était professeur qualifié. Aokage (青景) évoque les paysages bleus, comme la mer et le ciel d'un bleu limpide, ainsi que l'ombre bleue. L'ombre symbolise un ninja.
