7 geographic terms

1. Albedo - The proportion of radiation reflected from a surface
2. Caldera - A bowl-shaped circular depression caused by the destruction of the peak of a volcano
3. Hinterland - The rural outlying region that supports a town or city with agricultural products and raw materials
4. Hypocenter - The point under the earth's surface where the energy of an earthquake is first released
5. Isthmus - A narrow strip of land that is bordered on two sides by water and connects two larger land masses
6. Karst - A landscape composed of limestone features including sinkholes, caves, and underground streams
7. Lahar - A volcanic mudflow