VOCABULARY SET B/TRIVIA

  1. Volcano – A vent, hill or mountain from which molten or hot rocks with gaseous materials are ejected

  2. Active volcanoes – Those that have historical records of eruption within the last 600 years or those that erupted within geological times (≤10,000 years) based on analyses of their materials

  3. Inactive volcanoes – Those that have not erupted for the last 10, 000 years and their physical form is being changed by agents of weathering and erosion through formation of deep and long gullies

  4. Pacific Ring of Fire – A path along the Pacific Ocean characterized by active volcanoes and frequent earthquakes

  5. Indonesia – Country that has the highest number of active volcanoes

  6. Mt.Tambora – The eruption of this volcano is the deadliest in recent human history, claiming the lives of up to 120,000 people. 

  7. Mt.Vesuvius – In A.D. 79, the world’s most dangerous volcano buried the town of Pompeii. 

  8. Mt.Mayon – The most active volcano in the Philippines

  9. Mt.Pinatubo –  It erupted in 1991 after being dormant for 600 years.

  10. Mt.Taal – It has a main crater lake which is blue-green in color and is 1.9 kilometers in diameter. The volcano has 47 craters in total.

  11. Earthquake – Shaking of the Earth’s surface that often causes a great damage

  12. Focus – A point where earthquake originates

  13. Epicenter – Part of the Earth’s surface that is directly
    above the place where earthquake starts

  14. Seismograph – Device used to record earthquake waves

  15. Magnitude – Measure of the energy released at the source of the earthquake

  16. Intensity – Measure of the strength of shaking produced by the earthquake at a certain location

  17. PHIVOLCS – Philippine Institute of Volcanology and Seismology

  18. Valdivian earthquake (1960) – The strongest ever recorded earthquake in the world (Magnitude 9.5)

  19. Moro Gulf earthquake (1976) – With a 7.9 magnitude and almost 3,000 casualties, this Mindanao earthquake is officially the strongest and deadliest earthquake in Philippine history. 

  20. Luzon earthquake (1990) – On July 16, 1990, one of the strongest earthquakes to ever strike the country occurred in several areas of Central Luzon and Cordillera region. This 7.8-magnitude tremor resulted in a total of 1,621 deaths and serious damage in properties. The epicenter is in Nueva Ecija. 

  21. Mountain – Large landform that rises above the surrounding land in a limited area, usually in the form of a peak

  22. Mountain range – Succession of many closely spaced mountains covering a particular portion of Earth

  23. Mountain belt – A group of mountain ranges with similarity in form , structure and alignment

  24. Himalayas – Located in Asia, highest and youngest mountain range in the world

  25. Andes – Located in South America, the longest mountain chain in the world

  26. Alps –  Major mountain range in central Europe

  27. Rocky Mountains – Also known as the Rockies, run from north to south in western North America

  28. Appalachian Mountains – Run parallel to the Atlantic Ocean coastline on the eastern part of the United States, the oldest mountains in the United States