Earthquakes
Large sheets of rock and soil that make up the Earth's crust
What are Tectonic Plates?
Moving masses of soil and rock that flow/ slips/ slides down slopes
What is Landslide?
It happens post the weathering takes place on a rock.
When does Erosion take place?
Tsunami
What are enormous ocean waves caused by underwater earthquakes, landslides, or volcanoes called?
Indian Ocean, 2004
When and where did the deadly Tsunami in India occur?
Cracks in the Earth's crust along which seismic movement occurs
What are Fault lines?
Melted, liquid rock beneath Earth's surface
What is Magma?
This process creates new landforms
What does Deposition do?
Natural events that damage the human property
What are natural disasters?
Alaska, 1958
Where and when did the largest recorded tsunami occur?
Instrument that measures the strength of earthquakes
What is a Seismograph?
Dome-shaped and cone-shaped
What are the different shapes of a volcano?
Breaking down of rocks into sediments
What is weathering?
When magma from the mantle reaches the earth surface and comes out
What is volcanic eruption?
Mount St. Helens, Washington, 1980
When and where was the deadliest volcanic eruption recorded in the US?
Scale that measures the strength of earthquakes
What is Richter Scale?
Substances spewed into the air from the eruption of a volcano
Where do substances like gas, ash, lava come from?
Slow processes that carve the rocks
What are Weathering and Erosion?
Preparedness Response Recovery and Reconstruction
What are the 4 pillars/ guides of Disaster Management plan?
San Francisco, California, 1989
When and where did a major earthquake in the US occur?
The reading between 1-9
What does the Richter scale show?
Heavy vibration, Blasting, Earthquake
What are the triggers of Landslides?
Roots and ice formation in the cracks damage the rocks
What happens in Physical weathering?
The Philippines, China, Japan and Bangladesh
Which countries experiences maximum natural disasters?
Chile, 9.5 on the Richter scale
Which is the most destructive and powerful earthquake ever recorded?