1.The layer of the Earth where we live. 2.It refers to the shaking or trembling of the ground due to volcanic eruption or tectonic plates movement 3.Layers or rocks and sand that move constantly due to excessive heat and pressure under the ground 4.What does the acronym PHIVOLCS stands for? 5.It is used to measure the Earthquake's magnitude 6.It is used to measure the Earthquake's intensity 7.The government agency that deals with the study of volcanic activities and earthquakes 8.When body waves reach the earth's surface 9.Secondary wave is also known as 10.Which of the following waves can travel in all types of matter? 11.It causes the tectonic plates to move in different ways 12.A type of wave that causes damage during an earthquake 13.Which of the following can cause an earthquake 14.The part where earthquakes are felt 15.Among are the causes of earthquake expect one
