| A | B |
|---|
| isthmus | a narrow strip of land having water on each side and joining two larger bodies of land |
| guerrilla | a member of an armed force that is not part of a regular army; relating to a form of warfare carried on by such an independent armed force |
| earthquake | a shaking of the ground caused by sudden movements in the earth's crust |
| tsunami | a huge wave caused primarily by a disturbance beneath the ocean, such as an earthquake or a volcanic eruption |
| landslide | a sudden drop of a mass of land on a mountainside or hillside |
| infrastructure | the basic support facilities of a community or country, such as roads and bridges, power plants, and schools |
| avalanche | a sudden fall of a mass of ice and snow |
| aftershock | tremor that occurs after an earthquake |
| seismic wave | vibration caused by movement of tectonic plates |
| epicenter | the point on the earth's surface directly above the focus of an earthquakes |
| archipelago | a group of islands |
| coral island | an island formed by the skeletal remains of tiny sea animals and the sand and sediment piling on top of them |
| windward | facing the wind |
| leeward | facing away from the wind |
