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MoskJ_M5_A1.docNaturalDisasters.docx

MoskJ_M5_A1.docNaturalDisasters.docx - Natural disasters...

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Natural disasters Joanna R. Mosk Argosy University on line SCI-215 Contemporary Applications of the Sciences Module 5, Assignment 1 Karen Olivero
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They say that March can come in like a lion or come in like a lamb. I don’t know about the rest of the country, but, March, here in Pennsylvania came in a like a very grump, very angry lion. As I sit and type Nor’easter number three is doing its thing. All though this is the third in less than two weeks, it is nothing compared to the first two. The brunt of it is hitting New England as I type. Good luck, Guys, you can’t say that you did not know this was coming. Our local weather team told us all about it last week and they gave us plenty of time to prepare for the first two. They even gave us a heads up on the chance of power outages, which they nailed, all thanks to the very accurate, very powerful technology that our local weather team uses. All I can say to everyone that wants Spring to show up now is that it will be here in in just about a week and everything will start to balance out and warm up by May. Just hold on. Nor’easters are not the only phenomena that happen in the world, though they are a bit more localized to the north-east cost. Earthquakes, for example, happen all over the world with Japan having the most earthquakes due to the fact that the entire country is in a very active seismic area and they have the densest seismic network in the world( www.usgs.gov ) How do scientists keep track of active fault lines around the world? How can they predict when or where an earthquake will strike? According to the US Geologic Survey website, seismologist use several different technologies to help keep property and lives safe. The most popular instrument seems to be what is called a “strain meter” which gathers information about the risk of earthquakes. These “strain meters” are highly sensitive pieces of equipment with precision of less than 1 part per billion (less than 1 inch in 16,000 miles.) They monitor the change in “crustal strain” near active faults and volcanoes associated with fault slips, earthquakes and volcanic activity. The USGS currently has numerous instruments installed along the San Andreas fault and in the Long Valley Caldera in Mono County, Eastern California. Other institutions have equipment set up near active faults in Japan, China, Iceland, Italy and Taiwan. A network of dilatational and tensor strain meters have been installed in San Juan Bautista and Parkside, Southern California back in the early 1980’s. Plus a network of six dilatational strain meters and two tensor strain meters were installed along the Hayward
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