Masato Koyama

@masatokoyama5267JPAnalyzed

Open on YouTube

Audience and activity

Subscribers11.8K

Views per video982median of the last 30

Views per subscriber0.08how many actually watch

Comments per video0median

Uploads per month2.4

Last upload9.6y ago2017-03-06

Total views8.2M

Total videos106

Long-form / Shorts0% / 21%

Counts come from the YouTube Data API and are refreshed regularly; medians are computed from the channel's last 30 videos.

What Masato Koyama makes

Topics volcanoes, geology, earth-science, natural-disasters, geological-features

I am a volcanologist/geologist of Shizuoka University, Japan. I upload movies mainly of volcanoes and other geological features. 火山学・地質学の視点からみた動画を提供します。

Features other people

Recent videos

Title	Published	Views	Length
Kilauea lava flow burns and buries a wooden scoop おしゃもじ溶岩流にのみこまれるShort	2017-03-09	9.8K	1 min
Lava lake in Halemaumau Crater of Kilauea Volcano, March 1, 2017	2017-03-06	2.9K	1 min
Lava lake in Puu Oo crater, March 4, 2017Short	2017-03-05	14.1K	0 min
Kilauea lava flow "cooking", March 2, 2017Short	2017-03-05	8.0M	1 min
Kilauea lava flowing near Kalapana, March 2, 2017	2017-03-05	3.2K	1 min
スタッファ島の柱状節理とフィンガルの洞窟 Columnar joints at Staffa Is. and Fingal's Cave, Scotland	2017-01-07	5.4K	3 min
景ヶ島渓谷でみる富士山溶岩の造形美（2） Columnar joints of Mishima Lava from Fuji Volcano	2016-08-25	710	1 min
景ヶ島渓谷でみる富士山溶岩の造形美 Columnar joints of Mishima Lava from Fuji Volcano	2016-08-25	589	1 min
西伊豆・雲見の烏帽子山と千貫門 Eboshiyama and Senganmon volcanic necks, Izu Peninsula Geopark	2016-08-21	1.1K	1 min
西伊豆・雲見の烏帽子山と富士山 Eboshiyama volcanic neck, Izu Peninsula Geopark	2016-08-21	622	2 min