GCSE Volcanoes and Earthquakes
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13 terms
Terms | Definitions |
|---|---|
 Earthquake | A movement of the Earth's crust caused by the release of seismic energy |
| Transverse wave (S - wave) | Where the land is shaken from side to side |
| Longitudinal wave (P - wave) | Where the land is shaken up and down caused by the first wave caused by an earthquake |
| Mount Pinatubo | An example of a volcanic eruption from a composite volcano |
| Seismograph | a measuring instrument for detecting and measuring the intensity and direction and duration of movements of the ground (as an earthquake) |
| Supervolcano | Giant volcanic caldera with many fissures |
| Yellowstone | An example of a supervolcano |
| Vent | a fissure in the Earth's crust through which gas and molten material erupt |
| Magma Chamber | A cavity in the Earth's crust where molten material is stored |
| Crater | A bowl shaped opening at the top of a composite volcano |
| Tsunami | a seismic sea wave usually caused by an underwater earthquake |
| Kobe | a city affected by an earthquake in 1995 - an MEDC |
| Sichuan | an area of China devastated by an earthquake |
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