Term
| A weak spot in the crust where molten magma comes to teh surface is called what? |
|
Definition
|
|
Term
| waht do we call the force that acts on rock to change its shape of volume? |
|
Definition
|
|
Term
| shearing stress causes waht kind of falut? |
|
Definition
|
|
Term
| the andes mountains are a reslut of waht kind of stress? |
|
Definition
|
|
Term
| what type of waves are the first to arive at a seismic station |
|
Definition
|
|
Term
| name the three types of scales used to measure earthquakes |
|
Definition
| Mercalli Scale, Richter Scale, Momentum Magnitude scale |
|
|
Term
| how many seismic stations are needed to locate the epicenter |
|
Definition
|
|
Term
| what is this process called? |
|
Definition
|
|
Term
| give an examle of volcanos formed by divergent boundaries |
|
Definition
|
|
Term
| violent shaking of the earth causes loose soil to change into liquid mud. What is this called? |
|
Definition
|
|
Term
| the folding of rock is caused by what kind of stress? |
|
Definition
|
|
Term
| the largest earthquake to occur in the lower 48 states happened in waht state? |
|
Definition
|
|
Term
| explain what occurs at a subduction zone |
|
Definition
| one plate sinks below another |
|
|
Term
| describe what a composite volcanoe is. |
|
Definition
| a tall coned shape mountain with layers of lava wich alternate with layers of ash and other volcanin materials |
|
|
Term
| define the focus of an earthquake |
|
Definition
| the point beneath earths surface where rock breaks under stress and causes an earthquake |
|
|
Term
| what is another name for a dome shaple fold |
|
Definition
|
|
Term
|
Definition
| a type of fault where the hanging wall slies upward causes by compression in the crust |
|
|
Term
| describe the movement of rock in a stirke slip fault |
|
Definition
| where rocks on either side move past each other sideways with little up or down motion |
|
|
Term
| where do faults usually occur |
|
Definition
|
|
Term
| waht is another name for primary waves |
|
Definition
|
|
Term
| magma that reaches the surface is called what |
|
Definition
|
|
Term
|
Definition
| an area where magma from deep in the mantle melts through a week point in the crust |
|
|
Term
| a normal fault is caused by waht kind of stress |
|
Definition
|
|
Term
| what is another name for the basin of a fold? |
|
Definition
|
|
Term
| explain how a tsunami works |
|
Definition
| when an earthquake occurs on the ocean floor, the plate movements causes the ocean floor to rise and to displace the water |
|
|
Term
|
Definition
| a change in the volume or shape of earths crust |
|
|
Term
|
Definition
| stress that squeezes rock until it folds or breaks |
|
|
Term
| waht two examples of hot spots are in your notes |
|
Definition
| yellowstone park in whyoming and ocean of hawaiian islands |
|
|
Term
| explain how a normal fault works |
|
Definition
| the hanging wall slides down and the footwall goes up caused by tension in the crust |
|
|
Term
| thicker soil will cause more or less violent shaking during an earthquake |
|
Definition
|
|
Term
| give some examples of convergence between two oceanic plates |
|
Definition
| japan, new zealand, phillipeans, cariibean islands |
|
|
Term
| describe a cinder cone volcano |
|
Definition
| a steep cone shaped hill or mountain made of colcanin ash,cindesrs,and bombs piled up around a volcanin opening |
|
|
Term
| describe a strike slip fault/transform |
|
Definition
| a type of fault where rocks on either side move past each other sidewys with little up or down motion |
|
|
Term
| what is another name for swaves |
|
Definition
|
|
Term
| waht can be determined from one seismograph |
|
Definition
| the pwaves and swaves in one area |
|
|
Term
| explain how a shield volcano works |
|
Definition
| have eruptions were lava flows gradualy across teh land forming a flat surface |
|
|
Term
| what is the illinois basin? |
|
Definition
| a giant syncline that stretches from the western side of indiana abotu 250 km across the state of illinois |
|
|
Term
| describe how primary waves move through rock |
|
Definition
| compression waves in which the material in the wave moves |
|
|
Term
| when do after shocks occur |
|
Definition
| when an earthquake occurs after another earthquake in teh same area |
|
|
Term
| explain what a base isolated building is |
|
Definition
| a building mounted on bearins designed to absorb the energy of an earthquake |
|
|
Term
| what is a laser-ranging device |
|
Definition
| uses a laser beam to detect even tiny fault movements. ut calculates any change in time for teh laser beam to travel and then bounce back |
|
|
Term
| give an example of a strike slip fault |
|
Definition
|
|
Term
| exlain what happens to cause an earthwquake |
|
Definition
| the plates slide next to or over each other |
|
|
Term
| waht happens when continental plates come together |
|
Definition
| mountains form convergent boundaries |
|
|
Term
| what are some examples of this proccess? |
|
Definition
|
|
Term
| according to the notes where do most volcanos occur |
|
Definition
|
|
Term
| describe what a creep meter is |
|
Definition
| uses a wirte streched across a fault to measure horizontal movement of the ground |
|
|
Term
| how are the epicenter and focus connected |
|
Definition
| the focus is wehre the earthquake occurs and the epicenter is directly above it |
|
|
Term
| what geological feauture is the grand canyon on? |
|
Definition
|
|
Term
| what is an exapmle of a shield volcano |
|
Definition
|
|
Term
| where is the highest risk for earthquakes in the US |
|
Definition
| along the pacific coast. california, washington, alaska |
|
|
Term
| explain waht a tiltmeter is |
|
Definition
| measures the tilting of the ground |
|
|
Term
| acording to the notes what would be an example of a cinder cone volcano |
|
Definition
| Mount Paricutin in Mexico |
|
|
Term
| of the 3 seismic scales which did we use in a lab that had people callin in to a radio staion |
|
Definition
|
|
Term
| explain how a mechanical seismograh works |
|
Definition
| use a pen supported by a string with a wieght attactched to the pen. This allows the drum to move but the pen to remain stationary |
|
|
Term
| according to the notes whats an example of an anticline and syncline |
|
Definition
| the illinois basin adn teh black hills of south dakota |
|
|
Term
| define magnitute acording to teh notes |
|
Definition
| a measure of earthquake strength based on seismic waves |
|
|
Term
| what is an example of a compostie volcano |
|
Definition
|
|
Term
| How does the mercalli scale measure earthquakes |
|
Definition
| rate on earthquake on intensity by how much damage is done |
|
|
Term
| according to the notes where would you find examples of reverse fautls |
|
Definition
| part of the appalachin mountains |
|
|
Term
| define friction according to the notes |
|
Definition
| the force that opposes the motion of one surface as it moves across another surface |
|
|
Term
| define tension as it relates to rock stress |
|
Definition
| stress that stretches rock so that it becomes thinner in teh middle |
|
|
Term
| according to the notes where would you find examples of normal fautls |
|
Definition
| rio grande rift valley in new mexico |
|
|
Term
| waht do we call energy that is stored in rocks |
|
Definition
|
|
Term
| what other waves besides P & S waves do earthquakes produce> |
|
Definition
|
|
