How do you predict volcano eruptions?

Answer 1

Before an eruption, magma (lava) moves into the area beneath the volcano and collects in the magma chamber. As it comes closer to the surface, the magma releases gases. These events can offer clues about when the eruption will take place. For example, the movement of magma produces small earthquakes and vibrations which can be detected using seismographs. Magma gathering in a chamber causes slight swelling of the volcano's slopes which can be shown using tiltmeters and geodimeters. Gases released near the volcano can be measured with correlation spectrometers for changes in quantity.

Answer 2

They use devices such as the seismometer.
they listen really hard to the ground and when it shakes they knows that it is an earthquake and will make there predictions at the local bookies.

Answer 3

So far humans cannot accurately predict when an earthquake will happen, but you can predict how strong it will be by finding the amount of movement that the plate in your area moves each year and multiplying that by the amount of years since the last large earthquake. Then you get the amount of movement that the plate has moved since then, and you can use that to predict the magnitude. I don't know the equation to find the magnitude, but as the amount of movement gets larger, the magnitude gets larger

Answer 4

Geologists predict volcanic eruptions by monitoring changes in the volcano and the surrounding area. Such changes include buildup of gas, rising magma, and an increase in earthquake activity.

Answer 5

scientists wil know when with their good machines