On January 15, 2022, an underwater volcano erupted off the shores of the Pacific islands of Tonga—the most explosive event ever recorded on Earth. The blast triggered a massive tsunami with waves over 60 feet high. Here's how it happened.
Aired:
| Expires: | Runtime: 2m 35s
You are leaving GBH.org
You are leaving gbh.org and going to a web page that is not owned by GBH. If you are streaming, your experience will be interrupted.