NASA's Juno spacecraft has spotted the most powerful volcanic eruption ever seen on the solar system's most volcanic body, the Jovian moon Io.

The eruption released energy six times greater than all Earth's power plants combined, exceeding 80,000 trillion watts.

The Juno mission has discovered remarkably strong activity on Jupiter's moon, Io. The hot spot emits eruptions with energy six times greater than the total power of all power plants in the world, NASA's Juno mission scientists caution.