The correct answer is: <span>landslides or mudslides</span>.
Lava Flows are actually not that dangerous: Lava is very often slow and could even be outrun - so not too many people die due to lava flows.
On the other hand, landslides and mudslides are very catastrophic and can wipe entire villages.
What I think is that Volcanos was formed by earthquakes that caused landforms that created Volcanos to form up and then when Volcanos are born the erupt and their magma comes out which makes new land
It would take Saturn about 1 1/3 of an Earth day.
Earths shadow is called The umbra. The moon has an umbra as well, which causes solar eclipses :)