which earthquake was used as an example for liquefaction destruction on the pnsn website?

Answers

Answer 1

The 1964 Alaska earthquake is the one that was presented on the PNSN website as an illustration of liquefaction damage.

A process known as liquefaction occurs when solid soil particles undergo extreme pressure and powerful vibrations as a result of an earthquake. It frequently causes the earth to retreat or washbasin, which can seriously harm any buildings or other structures that are erected on top of it. In locations with loose soil or sand that is wet with water, liquefaction is frequently observed. Alaska's earthquake in 1964.On March 27, 1964, a 9.2 magnitude earthquake that is also referred to as the Great Alaska Earthquake struck Alaska.

The epicentre of the earthquake was situated underneath Prince William Sound, some 74 kilometres east of Anchorage. It was the second-strongest earthquake ever recorded worldwide and the strongest earthquake ever recorded in North America. The quake caused significant liquefaction in Anchorage and adjacent regions of south-central Alaska. The Seismic Network for the Pacific Northwest (PNSN). A regional network of seismographs known as the Pacific Northwest Seismic Network (PNSN) keeps track of earthquake activity in the United States Pacific Northwest region.

The United States Geological Survey and the University of Washington collaborated to establish it in 1969. The PNSN website offers public and educational materials for students as well as details on recent quake activity in the area.

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Related Questions

earthquake waves are like ripples in a pond because the ____ from the earthquake move out in circles just like the ___ that creates ripples in a pond

Answers

Earthquake waves are similar to ripples in a pond because they spread out in circular patterns, just like the waves that are created by a disturbance in a body of water.

When an earthquake occurs, the seismic waves travel outwards from the epicenter in all directions. The waves that travel through the earth's crust are called body waves, while those that travel along the surface are called surface waves.

Both types of waves spread out in circular patterns, with the energy decreasing as they move further away from the source. This is similar to the way ripples in a pond spread out when a stone is thrown in, with the circular waves becoming larger and weaker as they move away from the center.

The comparison between earthquake waves and ripples in a pond helps to illustrate how energy is transferred through a medium, whether it be water or the earth's crust.

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name every country and island and department and territory in the world

Answers

Answer:

There are 195 countries in the world today. This total comprises 193 countries that are member states of the United Nations and 2 countries that are non-member observer states: the Holy See and the State of Palestine.

Where is gulf pipefish live?

Answers

Answer:Gulf Pipefish are found in Gulf and Atlantic coast drainages from South America to Florida, including the Mobile Basin. They live over soft substrate in vegetated freshwater and brackish rivers. Like other pipefishes, they have very small fins and a long slender body armored with plates.

Explanation: found it on googol

Answer:

found in Gulf and Atlantic coast drainages from South America to Florida, including the Mobile Basin.

Explanation:

live over soft substrate in vegetated freshwater and brackish rivers

If I = 15 and V=110 then R=
type your answer..

Answers

Answer:

r = 7.333

Explanation:

Since V = IR

we already know V and I so we rearrange to solve for R

\(110 = 15 \times i\)

\(110 \div 15 = i\)

\(i = 7.333\)

Quickly!!What factors have led to increase in life expectancy around the world?

Answers

Many factors have contributed to increase in life expectancy. Examples such as medical advancements in modern medicine, less wars being fought, improvement in sanitation, eating a healthy diet, a overall healthier lifestyle (for example, people don’t smoke cigarettes as much as the olden days) and easier access to education.

when in the year do greenhouse gases have the largest effect on temperature? the winter or summer?

Answers

Although greenhouse gases' impact on temperature is generally constant throughout the year, there are some seasons or times of day when it may be more noticeable.

Because they trap more of the sun's energy and prevent it from escaping into space during the winter, when the days are shorter and the sun is lower in the sky, greenhouse gases can have a greater effect on temperature. This may result in warmer temperatures, especially in areas that frequently experience harsh winters.

However, greenhouse gases can also significantly affect temperature during the summer, when the days are longer and the sun is higher in the sky, by trapping more of the sun's energy and raising temperatures.  

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Students enjoying vacation at Myrtle Beach noticed that the sand burned their feet, butthe ocean water ​was cool​. Which property of water did these students observe allowingthe temperature of water to stay consistent. A.Cohesion B.Adhesion C.High Specific Heat (of Water on Earth)

Answers

Answer:

C.High Specific Heat (of Water on Earth)

Explanation:

The specific heat can be regarded as t the amount of heat per unit mass that is needed raising the temperature by a degree Celsius.

specific heat of water= 1 cal/gram °C

Or 4.186 J/gram °C . Water has high specific heat and as a result of this it is seen to high play role when it comes to temperature regulation.

Elephant they have a hurting behavior when they travel the oldest and largest member often travel on the outer edge of the group why is this important to the survival of the species

Answers

Hello. You forgot to enter the answer options. The options are:

A. Elephants have few offspring, so they need to protect them from predators. B. Elephants have large numbers of offspring, so they need an organized system of travel. C. This arrangement allows adult members of the groups to spot mates. D. This arrangement allows young members of the group to spot food more easily.

Answer:

A. Elephants have few offspring, so they need to protect them from predators.

Explanation:

Elephants live for about 80 years, during which time a female can have about 5 young, which shows that elephants do not have a large number of offspring and this is dangerous, as it limits the existence of the species, which is the main objective of reproduction . Elephants live traveling in herds and it is the responsibility of the oldest and strongest members to protect the youngest who will continue the species, for this reason, the older and stronger elephants position themselves on the outer edge of the herd, protecting the older elephants. young people, who are in the center of the herd, from possible attacks by predators.

explain the importance of lowland areas ​

Answers

Lowlands generally contain some of the most fertile soils and are highly productive in terms of agriculture; yet, under prevalent market forces, agricultural uses become subservient to urban development. The value of land close to cities tends to favour urban uses over agricultural ones.

How does ​latitude​ influence ​climate​?

Answers

Answer: Places located at high latitudes (far from the equator) receive less sunlight than places at low latitudes (close to the equator). ... The amount of sunlight and the amount of precipitation affects the types of plants and animals that can live in a place.

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Which of the following cartographic design principles can be used to create the effect of features superimposed on top of other features?
Figure-Ground
Contrast
Visual balance
Visual hierarchy

Answers

The cartographic design principle that can be used to create the effect of features superimposed on top of other features is Figure-Ground.

The contrast between the primary subject or feature (the figure) and the background (the ground) in a map is known as the Figure-Ground principle. Cartographers can depict specific features as standing out or being superimposed on top of other features by using various visual techniques like color, line weight or texture.

This aids in visual differentiation and highlights the importance of particular map elements. The Figure Ground principle improves the clarity and readability of the map by helping to represent features that overlap or intersect, such as roads, rivers or layers of geographic data.

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The way people, goods, and ideas are connected & transferred to other places

Answers

Answer:

transport/movement

Explanation:

the image shows mount st. helens two years after its 1980 eruption. given the shape of the volcano and presence of a lava dome (source of the steam), what is the most likely composition of the associated magma?

Answers

Mount St. Helens is a stratovolcano, which is typically associated with explosive eruptions. In the case of Mount St. Helens, the 1980 eruption was a very violent explosive eruption that produced a massive eruption column and pyroclastic flows.

Mount St. Helens is a stratovolcano located in the Pacific Northwest region of the United States. Stratovolcanoes are tall, conical mountains that are composed of alternating layers of solidified lava, ash, and other volcanic debris that have accumulated over time. These volcanoes are typically associated with explosive eruptions due to the characteristics of the magma that they produce.

In the case of Mount St. Helens, the 1980 eruption was a particularly violent and catastrophic event that resulted in the loss of many lives and significant damage to the surrounding area. The eruption produced a massive eruption column that reached an altitude of over 15 miles, and pyroclastic flows that traveled at high speeds across the landscape.

The presence of a lava dome in the aftermath of the eruption indicates that the magma associated with Mount St. Helens is relatively viscous, or thick, and is rich in silica and volatile compounds. This type of magma is referred to as felsic or silicic magma, and it is characterized by a high viscosity, or resistance to flow, due to its high silica content.

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if an event were to take place on the sun, how long would it take for the light to reach us?

Answers

8 and 1/3 minutes

The Sun is 93 million miles away, so sunlight takes 8 and 1/3 minutes to get to us.

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________ occur(s) when waves that approach the beach at an angle and produce a net sediment transport direction that is parallel to the shore.

Answers

Answer:

longshore currents

Explanation:

If is parallel to , which statement must be true?

Answers

Answer:

they will never cross

Explanation:

If water infiltration is suspected behind a finished surface, what tool would be the best choice to verify dampness?

Answers

If water infiltration is suspected behind a finished surface,  non-contact moisture meter would be the best choice to verify dampness.

A noninvasive moisture meter may also be called a nondestructive or a pinless moisture meter.

water Infiltration allows the soil to temporarily store water, making it available for use by plants and soil organisms. The infiltration rate is a measure of how fast water enters the soil, typically expressed in inches per hour.

Rainfall leads to faster infiltration rates than any other precipitation events, such as snow or sleet. In terms of amount, the more precipitation that occurs, the more infiltration will occur until the ground reaches saturation, at which point the infiltration capacity is reached.

A high infiltration rate is generally desirable for plant growth and the environment.

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What are the primary goals of most all irrigation systems?

Answers

The primary goals of most irrigation systems are to provide crops with the appropriate amount of water and nutrients needed for optimal growth and yield, while minimizing water waste and reducing the risk of soil erosion.

The following are some of the precise objectives of irrigation systems:

The primary objective of an irrigation system is to supply crops with the water they require to grow and produce crops. Manage water delivery: In order to ensure that water is distributed uniformly and effectively to crops, irrigation systems are made to manage the delivery of water to crops. Manage soil nutrients by using irrigation systems to distribute fertilisers and other nutrients straight to plant rootsReducing water waste is one of the key difficulties with irrigationPrevent soil erosion: By regulating the water flow across fields, irrigation systems can aid in the reduction of soil erosion.

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why should the us government be doing something more about global warming and climate change

Answers

Answer:

In my view, government has two important roles to play in this. The first is on the emissions side. As you know, climate change is caused by a build-up of carbon in the atmosphere, and that is primarily a result of burning fossil fuels. One that carbon in released into the atmosphere, it stays there for hundreds of years – by making the choice to continue burning fossil fuels today, we are heating up the planet for generations to come. Or to be more blunt about it, by continuing to burn coal, oil, and gas, we are ensuring that our kids and grand-children will be living on a radically different – and likely more chaotic – planet.

Explanation:

What might happen when crowds of walkers use the same mountain path.

*Will mark BRAINLIEST*​

Answers

Answer:With heavy use of walkways and paths, vegetation is damaged or lost and soil is damaged.

Explanation:

¿Que entiendes por el desarrollo de un país ?

Answers

Answer:

En Español: Un país desarrollado, un país industrializado, tiene una economía madura y sofisticada, generalmente medida por el producto interno bruto (PIB) y / o el ingreso promedio por residente. Los países desarrollados tienen una infraestructura tecnológica avanzada y diversos sectores industriales y de servicios.

En English: A developed country, industrialized country, has a mature and sophisticated economy, usually measured by gross domestic product (GDP) and/or average income per resident. Developed countries have advanced technological infrastructure and have diverse industrial and service sectors.

solve for x round to the nearest tenth.

solve for x round to the nearest tenth.

Answers

Answer:

x ≈ 8.1

Explanation:

using the tangent ratio in the right triangle

tan32° = \(\frac{opposite}{adjacent}\) = \(\frac{BC}{AC}\) = \(\frac{x}{13}\) ( multiply both sides by 13 )

13 × tan32° = x , then

x ≈ 8.1 ( to the nearest tenth )

What is the main goal of the united nations framework convention on climate change? a. to impose carbon emission limits on all countries b. to encourage the sustainable use of tropical rainforests c. to prevent the continued rise of greenhouse gas concentrations d. to end the production of greenhouse gases please select the best answer from the choices provided a b c d

Answers

The main goal of the united nations framework convention is to prevent the continued rise of greenhouse gas concentrations.

What do you mean by convention?

A convention refers to something that needs to be done or the agreement between states that cover a specific matter.

The main purpose of the united nations is to achieve stabilization in the atmosphere at a level that prevents dangerous gas concentrations in the climate system.

Therefore, C is the correct option.

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Answer: to prevent the continued rise of greenhouse gas concentrations

Explanation: C.

As we explore and observe the features here in blacktail canyon, we need to identify the various rock types for each of the rock units.
as we explore and observe the features here in blacktail canyon, we need to identify the various rock types for each of the rock units.
Upper rock type ____
a. Ignecus
b. Metamorphic
c. Sedimentary

Answers

As you explore and observe the features in Blacktail Canyon you will encounter various rock types that make up the landscape. In this environment, the upper rock type found in the Canyon is predominantly sedimentary. Therefore: The correct option is C.

These rock units have been shaped by past geological processes such as weathering, water, and wind, resulting in the formation of soil and the unique landforms present in this area. The sedimentary rocks also contribute to the canyon's distinct red color.

To identify the various rock types in Blacktail Canyon, we need to consider the geology and geography of the land and environment. Blacktail Canyon is located in the United States and is carved out by the Colorado River.

Over time, wind and water have contributed to the weathering and erosion of the landscape, exposing various rock types in the canyon walls.

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Which islands of India is made up of Coral reef?

Answers

Explanation:

The major reef formations in India are restricted to the Gulf of Mannar, Palk bay, Gulf of Kutch, Andaman and Nicobar Islands and the Lakshadweep islands. While the Lakshadweep reefs are atolls, the others are all fringing reefs. Patchy coral is present in the inter-tidal areas of the central west coast of the country.

vWhich world culture region had the greatest impact on other culture regions of the world? This culture region conquered and colonized much of North America, South America, almost all of Africa, Southeast Asia, and Australia & Oceania.

a
Western Europe.
b
Russia & Eastern Europe.
c
South Asia (the Indian Subcontinent).
d
the Middle East & North Africa.

Answers

Answer:

The correct answer is a  Western Europe.

Explanation:

A is correct answer because Spain and Portugal colonized South America, England, France and partially Spain and Netherland colonized North America. All of this countries, including some others such as Belgium and Germany colonized parts of Asia and Africa, while Australia was colonized by England.

B is not correct because Russia had no colonies, neither did Eastern European countries.

C and D is not correct because this were colonized areas.

There has been an increase in asylum seekers from Syria to the European Union in recent years. Which of the following best describes the reason for this migration?
А
A large rural-to-urban population shift within Syria
B
A continuing rise in employment for asylum seekers in the European Union
С
A continuing issue of conflict and political unrest within Syria
D
The tightening of asylum policies by the European Union
E
The tightening of guest-worker policies by the European Union
No

Answers

The answer for this is B

People may be compelled to migrate for a variety of causes, such as armed wars, natural catastrophes, famine, or unemployment. In the case of Syria, the crisis in the nation, which started in 2011, has compelled people to from their homes and move internally as well as to other nations.

Thus, Option A is correct.

Why are so many Syrians fleeing the country?

Syrians have been compelled to leave their homes for a variety of reasons, including Violence, Since the start of the civil conflict, about 13,000 children have died or suffered injuries. Infrastructure that has collapsed includes hospitals, clinics, schools, utilities, and water and sewage systems.

Their emotional, physical, and social health have all been severely impacted by these terrible conditions, endangering the future of the young people who will one day be required to restore Syria. More than any other nation in the world in 2021, Syria was home to more than 6.8 million refugees.

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1. What three pieces of demographic data are included on the Demographic Transition Model?

Answers

Answer: On the Demographic Transition Model, it hold data on birth rates, mortality rates, and a country's current population.

Explanation:

the american medical association (ama) released a policy on ""global climate change and human health"" advocating for research on the health impacts of climate change and inclusion of climate education in medical school curricula

Answers

The effects of climate change on human health have been seen and are expected to be considerable. The amount to which the links between climate change and health are taught is still unknown, despite the fact that climate change has gained worldwide momentum and is routinely taught. Public awareness of these issues can be raised through education, but it is unclear how much of this potential has been realized historically in terms of climate health education. We suggest conducting a scoping review of all instructional methods used to illustrate the health effects of climate change between 2005 and 2017 to fill this knowledge gap. This review would coincide with a turning point in the public health and climate change agendas after the 2005 Group of 7/8 (G7/8) Summit and the medical students are the most important part of it.

What is climate change?

Current climate change encompasses both the effects of global warming on the planet's weather patterns. Although there have been times of climate change in the past, the current rate of change is noticeably faster and is not the result of natural factors. Instead, it is brought on by the release of greenhouse gases, primarily methane and carbon dioxide (CO2). The majority of these emissions are produced by the burning of fossil fuels for energy. Additional sources include particular industrial operations, agricultural methods, and forest loss. The Earth's surface is heated by sunlight because greenhouse gases are transparent to it. The gases absorb the infrared light that the Earth releases as it rises, trapping the heat at the surface and contributing to global warming.

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in your own words, explain how the plate tectonics, volcanoes, and earthquakes impact the lithosphere.

!!

Answers

Answer:

The lithosphere is broken into huge chunks called plates, which gradually move and interact with each other causing volcanoes and earthquakes to occur within Earth's crust. The rising and falling of the asthenosphere due to heating and cooling. Causes the plates to move.

Explanation:

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