What earthquake faults around the San Gabriel Mountains mark all that apply?
The San Gabriel Mountains are an uplifted fault block, which is bounded to the north and northeast by the San Andreas Fault, and to the south by the Sierra Madre and associated faults (fig 2) (Miller, 1936).
Why are earthquakes mainly found at the edges of plates?
As plates continue to move and plate boundaries change over geologic time, weakened boundary regions become part of the interiors of the plates. These zones of weakness within the continents can cause earthquakes in response to stresses that originate at the edges of the plate or in the deeper crust.
What are the boundaries of tectonic plates drawn along?
There are three main types of plate boundaries:
- Convergent boundaries: where two plates are colliding. Subduction zones occur when one or both of the tectonic plates are composed of oceanic crust. …
- Divergent boundaries – where two plates are moving apart. …
- Transform boundaries – where plates slide passed each other.
What sort of geologic processes and landforms would you find along an ocean continent convergence zone quizlet?
What sort of geologic processes and landforms would you find along a ocean-continent convergence zone? (Mark all that apply). ocean trenches, earthquakes, accreted terrains, volcanic mountains, Which of the following landforms would you find along the Pacific Ring of Fire? (Mark all that apply).
What formed the San Gabriel Mountains?
The San Gabriel Mountains are part of the Transverse Ranges, which are steep mountain slopes formed by rapid tectonic uplift resulting from the collision of two tectonic plates estimated to have started over 6 million years ago.
How would the seismogram below change if the seismic station was farther from the earthquake epicenter choose all that apply?
How would the seismogram below change if the seismic station was farther from the earthquake epicenter? (Choose all that apply.) There would be a larger gap between the arrivals of the P- and S-waves. The P-waves would arrive later.
Why do volcanoes mountains and earthquakes form at plate boundaries?
Most earthquakes and volcanoes occur because of the movement of the plates, especially as plates interact at their edges or boundaries. At diverging plate boundaries, earthquakes occur as the plates pull away from each other.
Why those places in the map have active volcanoes earthquake epicenters and mountain ranges?
These features move because of movement at plates at the plate boundaries. Mountain ranges, ocean trenches, volcanoes, and earthquakes occur in patterns. The movement of plates causes these features to occur. They occur in patterns because certain features are formed at he site of the three types of plate boundaries.
What kind of plate boundary causes mountains to form?
convergent plate boundary Typically, a convergent plate boundary—such as the one between the Indian Plate and the Eurasian Plate—forms towering mountain ranges, like the Himalaya, as Earth's crust is crumpled and pushed upward.
What gives rise to the different geologic events to happen along the plates boundaries?
Plate Tectonics These tectonic plates rest upon the convecting mantle, which causes them to move. The movements of these plates can account for noticeable geologic events such as earthquakes, volcanic eruptions, and more subtle yet sublime events, like the building of mountains.
What sort of geologic processes and landforms would you find along an ocean continent convergence zone?
When oceanic crust converges with continental crust, the denser oceanic plate plunges beneath the continental plate. This process, called subduction, occurs at the oceanic trenches. The entire region is known as a subduction zone. Subduction zones have a lot of intense earthquakes and volcanic eruptions.
Which of the following statements best represents how Isostasy can explain the differences in regional elevation?
Which of the following statements best represents how isostasy Can explain the differences in regional elevation? The crust floats on the solid mantle, with most of the crustal thickness occurring at depth and less occurring near the surface.
What type of rock makes up San Gabriel Mountains?
granite rocks The San Gabriel Mountains consist of granite rocks of several kinds and a variety of other crystalline rocks, mainly schists, some of which were originally shales and sandstones but have been altered (metamorphosed) by great igneous intrusions and compression.
What does San Gabriel mean in English?
San Gabriel (Spanish for "St. Gabriel") is a city located in the San Gabriel Valley of Los Angeles County, California.
How would the seismogram below change if the seismic station was farther from the earthquake epicenter choose all that apply quizlet?
How would the seismogram below change if the seismic station was farther from the earthquake epicenter? (Choose all that apply.) There would be a larger gap between the arrivals of the P- and S-waves. The P-waves would arrive later.
Which of the following measures of an earthquake will decrease when observed farther from the epicenter?
Richter magnitude: The Richter magnitude is a measure of the amplitude of ground movement. Because the amplitude recorded on seismograms will decrease with increasing distance from the earthquake the distance must first be determined so that it can be corrected for.
Why do geological activities such as earthquake volcanism and mountain formation happen to be confined on certain places around the globe?
Geologic processes such as plate tectonics impact the entire surface of the planet and have major influences on the location of natural hazards like earthquakes and volcanoes. So far, we have only studied large scale patterns in plate tectonics.
What plate boundary causes mountains?
convergent plate boundary Typically, a convergent plate boundary—such as the one between the Indian Plate and the Eurasian Plate—forms towering mountain ranges, like the Himalaya, as Earth's crust is crumpled and pushed upward.
How do you describe the location of earthquake epicenters active volcanoes and moving plates in the Pacific Ring of Fire *?
Answer: The Ring of Fire also referred to as the Circum-Pacific Belt is a path along the Pacific Ocean characterized by active volcanoes and frequent earthquakes. … Along much of the Ring of Fire plates overlap at convergent boundaries called subduction zones.
What causes mountain ranges?
Mountains form where two continental plates collide. Since both plates have a similar thickness and weight, neither one will sink under the other. Instead, they crumple and fold until the rocks are forced up to form a mountain range. As the plates continue to collide, mountains will get taller and taller.
What geologic event causes the formation of mountain ranges?
The world's tallest mountain ranges form when pieces of Earth's crust—called plates—smash against each other in a process called plate tectonics, and buckle up like the hood of a car in a head-on collision. The Himalaya in Asia formed from one such massive wreck that started about 55 million years ago.
What are the geologic processes events that will occur because of this plate movement you can choose for answers?
The geologic processes/events that will occur because of this plate movement are:
- Major geological events (this is the new formation of rocks or island)
- Plate tectonic boundaries, divergent, …
- Plate tectonics.
- Fault lines.
- Earthquakes.
- Volcanoes eruption.
- Seafloor spreading.
- Oceanic spreading and movements.
Jul 8, 2019
What are the geologic processes events that will occur because of convergence of two oceanic plates?
If two tectonic plates collide, they form a convergent plate boundary. Usually, one of the converging plates will move beneath the other, a process known as subduction. Deep trenches are features often formed where tectonic plates are being subducted and earthquakes are common at subduction zones as well.
What causes mountain ranges to rise at convergent plate boundaries?
When two plates of continental crust collide, the material pushes upward. This forms a high mountain range. The remnants of subducted oceanic crust remain beneath the continental convergence zone.
How are mountains and volcanoes formed through subduction zones?
Movements of tectonic plates create volcanoes along the plate boundaries, which erupt and form mountains. A volcanic arc system is a series of volcanoes that form near a subduction zone where the crust of a sinking oceanic plate melts and drags water down with the subducting crust.
What causes isostasy?
Isostasy is the rising or settling of a portion of the Earth's lithosphere that occurs when weight is removed or added in order to maintain equilibrium between buoyancy forces that push the lithosphere upward and gravity forces that pull the lithosphere downward.
Why do some regions have high elevations?
If the lithosphere in some region is heated, it expands, becoming less dense, and so the region rises in elevation. Thinner lithosphere also yields higher elevations because in this case less dense asthenosphere is replacing more dense litho- sphere.
What tectonic plate are the San Gabriel Mountains on?
The San Gabriel Mountain block is bounded by the Frontal thrust faults (Sierra Madre-Cucamonga Systems), in the south and the San Andreas Fault System, a right-lateral transform fault system, that now forms the plate boundary between the Pacific and the North American plates, The mountains are dissected by right- …
Does it snow in Los Angeles?
The average temperature throughout the year is 65.8 degrees Fahrenheit (18.8 degrees Celsius). The temperatures are too high for snow formation; therefore, it does not snow in Los Angeles. The closest LA comes to snowing is in the mountains surrounding Los Angeles, such as Mount Baldy.
How do you draw San Gabriel Arcangel?
0:108:02Let’s Draw a CA. Mission Bell Colonnade! (San Gabriel) – YouTubeYouTube