Tonga Volcano: A volcanologist explains what we know about this once-in-a-lifetime eruption

Tonga Volcano: A volcanologist explains what we know about this once-in-a-lifetime eruption © Shutterstock

The eruption of the Hunga-Tonga-Hunga-Ha’apai volcano caused a tsunami, 400,000 lighting strikes and shockwaves that have circled the planet at least twice. Here’s everything we know about the Tonga volcano.