Lithosphere Vocabulary

3. pertaining to or exhibiting structural change.
5. a relatively small earthquake that precedes a greater one by a few days or weeks and originates at.
9. a small earthquake or tremor that follows a major earthquake.
12. magnetic polarization acquired by the minerals in a rock at the time the rock was deposited or solidified.
13. a point, directly above the true center of disturbance, from which the shock waves of an earthquake apparently radiate.
16. the hypothetical landmass that existed when all continents were joined, from about 300 to 200 million years ago.
18. a defect or imperfection.
19. a major geologic discontinuity or suture marking the juncture of lithospheric plates that have been joined by plate tectonics

1. the science or study of earthquakes and their phenomena.
2. the solid portion of the earth.
4. a large mass of stone forming a hill, cliff, promontory, or the like.
6. differing; deviating.
7. a vent in the earth's crust through which lava, steam, ashes, etc., are expelled, either continuously or at irregular interva
8. a central point, as of attraction, attention, or activity
10. molten material beneath or within the earth's crust, from which igneous rock is formed.
11. formed by the deposition of sediment, as certain rocks.
14. produced under conditions involving intense heat, as rocks of volcanic origin or rocks crystallized from molten magma.
15. a series of vibrations induced in the earth's crust by the abrupt rupture and rebound of rocks in which elastic strain has be
17. the molten, fluid rock that issues from a volcano or volcanic vent.