もしも日本の周りの海が干上がったら？海面を下げて海の底を3Dで見る｜日本海溝・日本海・氷期の海
Published October 23, 2026
At a glance
Views
234,445
Likes
538
Comments
26
Performance vs. channel
All-time outlier score
Engagement rate
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About
日本の周りの海の水を抜いていったら、どんな地形が現れるのか。NOAA の海底地形データ（ETOPO 2022）と国土地理院の標高データで、海面を少しずつ下げてみました。 海面を約55m下げると北海道は大陸と地続きに、約135mで日本海は外の海から切り離され、7000mより下には海溝だけが残ります。氷期に近い海面、日本海の深さ、日本海溝の断面、そして海溝ができるしくみまで、立体地図で見ていきます。 計算は、いまの地形のまま海面だけを下げた単純な試算で、当時の地形を再現したものではありません。海底のデータは約450mのマス目なので、浅く狭い海峡や海溝の底の深さは、実際に測った値とずれることがあります。 立体地図ラボは、実際の地形デー…
- Published
- October 23, 2026
- Made for kids
- No
More features coming
We're working on new analytics and tools. Stay tuned.
How もしも日本の周りの海が干上がったら？海面を下げて海の底を3Dで見る｜日本海溝・日本海・氷期の海 is doing
It has 234K views in total. It ranks #9,917,360 among tracked YouTube videos by views.
Key facts about もしも日本の周りの海が干上がったら？海面を下げて海の底を3Dで見る｜日本海溝・日本海・氷期の海
- Total views
- 234K
- Total likes
- 538
- Total comments
- 26
- Published
- October 23, 2026
- Global rank by views
- #9,917,360
Frequently asked questions
How many views does もしも日本の周りの海が干上がったら？海面を下げて海の底を3Dで見る｜日本海溝・日本海・氷期の海 have?
もしも日本の周りの海が干上がったら？海面を下げて海の底を3Dで見る｜日本海溝・日本海・氷期の海 has 234,445 views, 538 likes and 26 comments, ranking #9,917,360 among tracked YouTube videos by views.
How accurate are these YouTube video analytics?
View, like, and comment counts come from YouTube's public API and refresh regularly. Growth and revenue figures are estimates built from tracked historical data, so they can differ slightly from what the creator sees privately in YouTube Studio.
What is the outlier score?
How this video's views compare to the channel's usual Shorts or long-form video. A 2x score means double the usual views for that channel, 0.5x means half.
What is engagement rate and how is it calculated?
Likes and comments per view, compared to this channel's typical engagement rate — shown as above or below what's usual for the channel.
How is the revenue estimate calculated?
It's a rough public estimate based on a $0.7–$2.0 CPM (revenue per 1,000 views) applied to view count — not actual creator earnings, which depend on ad rates, audience geography, and monetization settings YouTube doesn't expose publicly.
Is this YouTube video analytics checker free?
Yes. You get 10 free channel and video analytics lookups per 24 hours without an account — logging in, which is also free, removes that limit entirely.