Earthquakes form when plate tectonics rub together, they can shake the ground. Volcanoes form when two plates collide, they spew out magma and lava. Earthquakes can cause damage to building, you can not do much about an earthquake besides try to go to a safe open place. Volcanoes can destroy many thing not just building, also plants and animals. Luckily most people don't live near volcanoes. But volcanoes can also form new land that plants and amimals will soon live on.