An earthquake
post-volcanic phenoma are the things which happen before an eruption.
Earthquakes
what precautionary mesures beforeand after
no there were not
The only updates available before a volcanic eruption are those issued by local meteorologists and geologists. They can issue updates based on observed changes in the volcano.
Preferably, to a safe distance from the volcano.
magma falls from underground to form an opening in the volcano
balls and stuff
increase in both frequency and intensity
Yes, scientists can predict volcanic eruptions, but only to a certain extent of accuracy. One method is to use earthquakes. Earthquakes usually increase and become more violent before a volcanic eruption
eat pie
Not usually. Although earthquakes often occur before a volcanic eruption, they are not the cause. The earthquakes are the result of magma (molten rock) moving underground leading up to an eruption. A few volcanic eruptions are thought to have been triggered or initiated by earthquakes, but this is not the typical case.