 | Term | Definition |
| |
epicenter |
point on earths surface directly above the focus/hypocenter |
| |
fault |
a huge crack in the rust at/below the surface |
| |
P wave |
first but weaker wave that comes first in a earthquake |
| |
S wave |
second but stronger wave that comes after the P wave |
| |
aftershock |
shaking of the crust after the original earthquake |
| |
hot spot |
very hot part of the mantle |
| |
vent |
opening in a volcanic area were magma may escape |
| |
crater |
cup-like hollow that forms at the top of the volcano around the vent |
| |
cinder-cone volcano |
a type of volcano made mostly of cinders and other rock particles that have been blown into the air |
| |
shield volcano |
A low, flat, gently sloping volcano built from many flows of fluid, low-viscosity basaltic lava |
| |
composite volcano |
Also called a Strato volcano. |
| |
geothermal |
of or relating to the heat in the interior of the earth |
| |
seismograph |
a measuring instrument for detecting and measuring the intensity and direction and duration of movements of the ground (as an earthquake) |
| |
continental movement |
idea that all continents were together but broke apart by moving plates |
| |
crust |
the inner layer of the Earth above the mantle |
| |
mantle |
area in the earth below the crust |
| |
earthquake |
calm or violent shaking of the earth |
| |
hypocenter |
it is also known as focus. It is the actual location or starting point of an earthquake underground. |
| |
plate tectonics |
the study of large scale movement and deformation of the earth's outer layers in terms of rigid plates over a partly molten layer of the upper mantle |
| |
The Ring of Fire |
a band of volcanoes circling the edges of the Pacific Ocean |
| |
Richter Scale |
a logarithmic scale of 1 to 10 used to express the energy released by an earthquake |
| |
tsunami |
extremely large wave/waves that often happen after a large earthquake |
| Add or remove terms from this set |
