What is Low-viscosity lava?

Low-viscosity lava is lava that flows easily, almost like water.

Imagine you're pouring juice from a glass into another one, it moves smoothly and quickly. That's what low-viscosity lava does when it comes out of a volcano. It doesn’t get stuck or form big, thick blobs; instead, it spreads out and makes long, runny streams.

If you’ve ever touched honey, you know how sticky and slow it is, that’s high-viscosity stuff. But low-viscosity lava is more like syrup that's been heated up, it still moves, but not as slowly as honey.

Because it flows easily, low-viscosity lava can travel far from the volcano before it cools down and hardens into rock. It might even make gentle slopes or wide areas around the volcano, like a smooth, warm blanket spreading out.

So next time you see a volcano, imagine it's pouring out something that’s as easy to move as your favorite drink, that’s low-viscosity lava in action!