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8.6 NH Final Exam
Term | Definition |
---|---|
Mitigate | Become less harsh or hostile. |
Precursor | An event that occurs before a natural hazard. |
Seismometer | An instrument to measure earthquakes. |
Seismic Resistance Construction | The fabrication of a building or structure that is able to withstand the sudden ground shaking. |
Levees | An embankment built to prevent the overflow of a river. |
Mercalli Scale | It is based on observable earthquake damage. (magnitude scale) |
Enhanced Fujita Scale | Used to assign a tornado a 'rating' based on estimated wind speeds and related damage. |
Volcanic Explosive index | A scale that describes the size of explosive volcanic eruptions based on magnitude and intensity. |
Cone of Uncertainty | Represents the probable track of the center of a tropical cyclone. |
Saffir-Simpson Scale | A Wind Scale that is a 1 to 5 rating based only on a hurricane's maximum sustained wind speed. |
Monitoring | Observe and check the progress or quality of (something) over a period of time; keep under systematic review. |
Fault | A crack in the earths crust. |
Storm Surge | An abnormal rise in seawater level during a storm, measured as the height of the water above the normal predicted astronomical tide. |
Tectonic Plate Boundary | A boundary between two or more plates. |
Tectonic Plate | A massive, irregularly shaped slab of solid rock |