Nishinoshima is a volcanic island located in the Ogasawara archipelago, south of Tokyo, Japan that had been expanding since its eruption in 2013. Nishinoshima looks like a small island, but this is actually the summit of a huge seamount that rises more than 3 km (1.8 miles) from the seafloor.
This video, made by the Earthquake Research Institute at the University of Tokyo, talks about the latest findings by volcanologists.
Video courtesy University of Tokyo/Earthquake Research Institute.
The video is participating in the event Science AGORA2020 — November 15 – 22, 2020.
The small island of Nishinoshima was enlarged when several new islands coalesced during an eruption in 1973/74.
Another eruption that began offshore in 2013 completely covered the previously exposed surface and enlarged the island again. Water discoloration has been observed on several occasions since.
The island is the summit of a massive submarine volcano that has prominent satellitic peaks to the S, W, and NE.
A series of powerful eruptions were recorded in July and August 2020.
Nishinoshima on July 11, 2020. Image credit: JMA
Nishinoshima on June 29. Image credit: JCG
For more information about recent eruptions at Nishinoshima, visit watchers.news/tag/nishinoshima.
Featured image: Nishinoshima on October 28, 2020. Credit: Japan Coast Guard/3rd Regional Coast Guard Headquarters
If you value what we do here, create your ad-free account and support our journalism.
Your support makes a difference
Dear valued reader,
We hope that our website has been a valuable resource for you.
The reality is that it takes a lot of time, effort, and resources to maintain and grow this website. We rely on the support of readers like you to keep providing high-quality content.
If you have found our website to be helpful, please consider making a contribution to help us continue to bring you the information you need. Your support means the world to us and helps us to keep doing what we love.
Support us by choosing your support level – Silver, Gold or Platinum.
Other support options include Patreon pledges, one-off payments using PayPal and purchasing products from our webshop.
Thank you for your consideration. Your support is greatly appreciated.