Problem Statement:. Landslides Impact Thousands Of People

California’s unique geography as a state makes it a very appealing place to call home. From the odd east to west transverse San Gabriel mountain ranges of the Los Angeles Basin, to the bumpy coastal ranges of the Bay Area, any person can find a compatible topographic terrain to their liking. California may seem to be the perfect place to live with its ideal climate and extensive geographic features. However, due to California’s location over the shifting continental plates, coupled with its enormous and also multiple faults, at any time this great state can fall victim to a seismic disaster. After examining evidence from both Rong-Gong Lin’s II Los Angeles Times article of April 18, 2016 and the NOVA videos Killer Quake ( 2006), Earthquake (2007), as well as Geologic Journey II – Episode 3 (The Pacific Rim: Americas) – Part 3 (San Francisco) and The Great San Francisco Earthquake (American Experience ~ 2005), one can take a comparative account of the three major earthquakes of California’s past. Although each earthquake was very devastating on is own; the Great Quake 0f 1906, the Loma Prieta quake of 1989, and the NorthRidge quake of 1994 each amounted to an extensive forfeiture of property and life. Each of these earthquakes created much suffering and loss. It is imperative for each citizen of this great state to understand the damage that a California quake can actually do and be prepared; for the threat of one always looms.

Kathryn Schulz has provided insight of the dangers of the Cascadia Subduction Zone and the lack of our countries preparedness. Seismologist has detected and proven probability of an enormous earthquake and/or tsunami that is over due to take place along the western coast line and yet the lack of preparedness is evident. Thousands of lives will be lost due to unpreparedness.

• This earthquake may not have released all of the strain stored in its rocks next to the fault this reveals a potential earthquake in the Santa Cruz Mountains in the near future. The occurrence of the earthquake showed that the Earth did not exhaust all its strain and hence other earthquakes could be expected. However, the dates could not be predicted. The extent of the damage could have been much more devastating for the region, but with the earthquake occurring near the coast this made half of the felt area westward in the Pacific Ocean. The occurrence of aftershocks ten days later reinforces the unpredictability nature and hence makes Geology to be a study that is always evolving. In conclusion, the Earth and the study of cannot be exhausted as every natural occurrence provides a new puzzle to be solved.

Especially in the area around the Great Basin, since that covers most of the state. This area is surrounded by the mountain ranges and gets all the run off . This water helps with the water shortage throughout the year but at the time it is too much for the area to handle as there is no drainage to the ocean from this area. Groundwater is used throughout the state. Sometimes, the water is pumped out faster than it can be replenished. When this happens, the land surface can be affected. There are many cracks in the ground near Las Vegas, and in some places the land has sunken in over six feet within the last sixty years. An increase in the population of the state is to blame for the increased demand on the groundwater and therefore, the increased damage being done to the landscape as a whole. More people, more water, more land being developed, means less of the natural preservers being available. Also, with these floods the state sees landslides. The rocks of the area show the different ways the terrain was built

Many communities are suffering due to coastal erosion. One example is the village of Cocodrie, LA in Terrebonne Parish. This village’s small population and its 220 residential and commercial buildings are surrounded by marshes. In Cocodrie, there is no barrier against hurricanes. Local marinas play host to recreational and commercial fishing, and The Louisiana Universities Marine Consortium is located in Cocodrie. This facility of around 100,000 square ft houses laboratories, classrooms, and a research center. Infrastructure that will be affected by coastal erosion includes paved highway, dirt roads, a bridge, water supply systems, and natural gas lines. By 2050, Cocodrie will be surrounded by open water as the marshlands around the village give way to rising sea levels. Another community affected by this issue is Yscloskey, LA in St. Bernard Parish. The most important part of the economy here is fishing, and highways link the parish to New Orleans fishing communities. The Yscloskey area lies outside of the protective levees and is quite vulnerable to storms. Though losses in Yscloskey are not predicted to be as great as those in Cocodrie, a 16 percent loss by 2050 leaves the infrastructure of Yscloskey even more vulnerable (Coast 2050, 1998, p. 64-66). Local residents in these areas are watching the land disappear along with the beachfronts and Cyprus swamps that were on that land (Marshall, 2014).

In the United States alone, landslides are estimated to cause 25 to 50 deaths and over one billion dollars in damage every year (Landslides 101). Landslides may be caused by natural factors or man-made events. Natural factors include over steepened slopes created through erosion caused by rivers, heavy rains or snowmelt saturation slopes and

A ‘hazard’ can be defined as a geophysical process operating within the lithosphere, atmosphere, hydrosphere or biosphere which could potentially lead to the loss of human life or property. However, an earthquake only becomes hazardous and therefore needs management if it occurs within close proximity to a vulnerable population. To some extent, any human settlement around the world situated close to or on top of an area of seismic activity is vulnerable. However, not all nations suffer equal devastation.

Groundwater is one of the most important natural resource in the nation, specifically in the Central Valley. In California, many people are pumping a lot more water because of the California drought and groundwater is a good resource for the farmers to harvest their crops. However, the main issue today is that in the Central Valley is that the land is sinking faster and faster due to the demand of pumping more water from the ground. The ground sinking in California isn’t recent, but it has been going an ongoing issue for over decades. Therefore, the land sinking has background history, but many studies and researchers didn 't take it as a warning until recently, and as a result it has been getting worse. The land sinking occurring in the Central Valley can cause damages to our communities such as bridges and roads cracking and can even go as far as cracking irrigation canals. These damages can cost millions of dollars to recover and rebuilding damages. On the other hand, the ground sinking has already destroyed canal linings, which will cost millions of dollars to repair. With that being the case, imagine all the other damages that the ground sinking will cause and cost to fix them. For these reasons, the state of California needs to start finding possible solutions to prevent the ground sinking from further sinking and to prevent more damages to the Central Valley. Solutions that might include encouraging the community to

According to our textbook, it appears that an earthquake poses a greater threat to the Pacific Northwest than a volcano does. The text states that “California’s San Andreas Fault runs diagonally from southeast to northwest for nearly 800 miles.” In the lecture notes, it shows a diagram of the earthquakes that have occurred since 1977 along the Pacific coast, and the area is riddled with earthquakes. The likelihood of a massive scale earthquake occurring in the Pacific Northwest has been predicted; however, our lecture states that we are unable to predict an earthquake and are only able to gauge the probability of one occurring. Those who would be in harm’s way would be those people who fall within the Mercalli Intensity scale area, and those

There are many different types of geographic feature in California like mountains, deserts, and different water tremors. WIth these different geographic features there will come Earthquakes, Wildfires, Floods,Tsunamis,Landslides,and Coastal Changes.

Many a time the hazards that loom on the horizon present a striking and beautiful view. As humans, people cannot live their lives in fear of things they have no control over. Local communities plus the federal government, and global nations can prepare for disasters, create emergency supply kits and organize family emergency plans. Regional parks near volcanoes can keep lake and reservoir water levels low to mitigate mudslides and avalanches. But no matter what one may do to prepare for disasters, they will happen, and nothing can keep one from occurring. The residents of the area surrounding Mt. St. Helens must understand that the volcano still poses a threat and it could erupt at any

The extent to which tectonic processes represent a hazard depends upon when and where they are experienced (40)

Have you noticed the amount of natural disasters that have occurred lately? Recently, natural disasters have been happening such as hurricane Harvey, Irma, and the 7.1 magnitude earthquake Mexico experienced. Sadly, California could be next to be hit from an earthquake.

Discuss the view that the impact of earthquake hazards depends primarily on human factors (40)

Due to diverse geo-climatic conditions prevalent in different parts of the globe, different types of natural disasters like floods, droughts, earthquakes, cyclones, landslides, and volcanoes etc may strike according to the vulnerability of the area.