NASA Says Tonga Eruption Sent Up Highest Ash Plumes Ever Captured by Satellite

When a volcano in Tonga erupted on January 15, it gave satellites their first glimpse at a plume of volcanic ash shooting into the mesosphere, the third layer of Earth’s atmosphere.   According to NASA, the Tonga event was the largest volcanic eruption since satellites began monitoring our planet. As the Pacific volcano shot a burst of ash … Read more

Tonga Eruption Was Equivalent to ‘100s of Hiroshima Bombs’, Says NASA

The volcanic eruption in the South Pacific Kingdom of Tonga peaked on January 15 with more explosive force than 100 simultaneous Hiroshima bombs, NASA scientists reported on Monday 24 January.   Using a combination of satellite and surface-based surveys, researchers calculated the explosive power of the volcano based on the amount of rock that was removed during the blast from the … Read more

Why Was The Volcano Explosion in Tonga So Violent, And What to Expect Now?

The Kingdom of Tonga doesn’t often attract global attention, but a violent eruption of an underwater volcano on January 15 has spread shock waves, quite literally, around half the world.   The volcano is usually not much to look at. It consists of two small uninhabited islands, Hunga-Ha’apai and Hunga-Tonga, poking about 100 meters (328 … Read more