EarthquakesEarthquakes

By: Nick, Alexa, and Keara.By: Nick, Alexa, and Keara.

What causes earthquakes to What causes earthquakes to occur?occur?

To begin with, plates shift and bump into To begin with, plates shift and bump into each other along the way. Earthquakes each other along the way. Earthquakes occur on faults. They occur when they occur on faults. They occur when they move and shift. Sometimes, on occasion, move and shift. Sometimes, on occasion, volcanoes erupt so hard that they shake volcanoes erupt so hard that they shake the ground and cause an earthquake.the ground and cause an earthquake.

What are the locations and dates of What are the locations and dates of famous earthquakes?famous earthquakes?

In addition, in India, there was one in In addition, in India, there was one in 1897. Another one was in San Francisco 1897. Another one was in San Francisco in 1906. There was also one in Long in 1906. There was also one in Long Beach California in 1933. Another one was Beach California in 1933. Another one was in Alaska in 1964. One was in Loma Pieta in Alaska in 1964. One was in Loma Pieta in 1989. The most recent one was in in 1989. The most recent one was in Beijing, China in 2008.Beijing, China in 2008.

How do earthquakes affect people How do earthquakes affect people on earth?on earth?

More over, people can die. Buildings and More over, people can die. Buildings and houses get destroyed. Animals Can die. houses get destroyed. Animals Can die. Fires can start. If houses are on faults can Fires can start. If houses are on faults can split in half. And, people can study them.split in half. And, people can study them.

What are ways people measure the What are ways people measure the strength or severity of strength or severity of

earthquakes?earthquakes?

People measure the severity and strength People measure the severity and strength of earthquakes by using a seismograph. of earthquakes by using a seismograph. Seismographs detect seismo waves and Seismographs detect seismo waves and make big and little humps and bumps. The make big and little humps and bumps. The small ones are better and the big ones are small ones are better and the big ones are bad.bad.

Some websites that we used.Some websites that we used.

http://www.thetech.org/exhibits_events/onlihttp://www.thetech.org/exhibits_events/online/quakes/ne/quakes/

http://www.pbs.org/wnet/savageearth/earthttp://www.pbs.org/wnet/savageearth/earthquakes/index.htmlhquakes/index.html

http://earthquake.usgs.gov/regional/neic/http://earthquake.usgs.gov/regional/neic/

http://pubs.usgs.gov/gip/earthq1/http://pubs.usgs.gov/gip/earthq1/

http://pubs.usgs.gov/gip/earthq3/http://pubs.usgs.gov/gip/earthq3/