Mass movements are when huge masses of various materials such as soil, rock, debris, etc. move normally down hills. The main cause of mass movements is gravity.
The constant pull of gravity is the immediate power behind erosion. It causes downward and outward movements of landslides as well as the downward collapse of ground.
Tuesday, May 26, 2015
Monday, May 18, 2015
Should the movie title be changed to Puente Hills?
The movie "San Andreas" should not have its title changed as the movie is about the entirety of the San Andreas Fault going off in a mega quake rather than just focusing on L.A. It even shows the Hoover Dam collapsing, and that's in Nevada.
L.A. over a century overdue for a mega quake as the last mega quake to occur was in the 1680s.
Dr. Jones is a 59 year old US geological seismologist that rose to fame after the occurrence of a 6.7 magnitude earthquake 20 years ago, which killed 50 people and caused over $20 billion in damage.
Dr. Jones is worried about L.A. should 'the big one' occur as many of the buildings in L.A. were built in the 50s and 60s, where there were major issues in design and didn't compensate for earthquakes. This means that those buildings could topple or collapse in on itself should an earthquake occur.
'Retrofitting' is the process in which a building is reinforced with stronger materials that help the building withstand earthquakes such as steel braces.
If there were to be a 7.5 magnitude earthquake to occur on Puente Hills, it is estimated that it would kill 18,000 people make Several million homeless, and cause up to $250 billion in damage due to it being right under downtown L.A.
Puente Hills is more of a risk to L.A. because there is a much higher concentration of people living there and it would cause more damage to L.A.
A picture of LA and its dense population
http://socialventurepartners.org.s3.amazonaws.com/www.socialventurepartners.org/sites/49/2013/05/Los-Angeles-Slider1.jpg
A picture of the earthquake's damage in Haiti
http://upload.wikimedia.org/wikipedia/commons/d/d2/Haiti_earthquake_damage.jpg
L.A. over a century overdue for a mega quake as the last mega quake to occur was in the 1680s.
Dr. Jones is a 59 year old US geological seismologist that rose to fame after the occurrence of a 6.7 magnitude earthquake 20 years ago, which killed 50 people and caused over $20 billion in damage.
Dr. Jones is worried about L.A. should 'the big one' occur as many of the buildings in L.A. were built in the 50s and 60s, where there were major issues in design and didn't compensate for earthquakes. This means that those buildings could topple or collapse in on itself should an earthquake occur.
'Retrofitting' is the process in which a building is reinforced with stronger materials that help the building withstand earthquakes such as steel braces.
If there were to be a 7.5 magnitude earthquake to occur on Puente Hills, it is estimated that it would kill 18,000 people make Several million homeless, and cause up to $250 billion in damage due to it being right under downtown L.A.
Puente Hills is more of a risk to L.A. because there is a much higher concentration of people living there and it would cause more damage to L.A.
A picture of LA and its dense population
http://socialventurepartners.org.s3.amazonaws.com/www.socialventurepartners.org/sites/49/2013/05/Los-Angeles-Slider1.jpg
A picture of the earthquake's damage in Haiti
http://upload.wikimedia.org/wikipedia/commons/d/d2/Haiti_earthquake_damage.jpg
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