Choose the letter of the correct answer and write on the space provided. 11. Where does an earthquake originate? a. epicenter b. focus c seismology d. volcanology 12. Which of the following refers to the ground above the focus? a epicenter b. focus c seismology d. volcanology 13. What is formed when rain sweeps down mudflows with cinder and ash during
13.Rainwater could combine with the volcanic ash and rock to form deadly, fast-moving mudflows — called "lahars" — that could sweep away entire settlements, it said. ... It warned that this could result in lahars flowing into waterways, and called on officials to move residents near rivers to higher ground ..
