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This weeks 2 responses to students posts. Volcanoes: 1. What volcano type would you prefer to live by and why?
This weeks 2 responses to students posts.
Volcanoes: 1. What volcano type would you prefer to live by and why?
We kind of do live beside a volcano already. My husband is in the service and we got stationed here in Washington state. "Mount Rainier is an episodically active composite volcano" (2016) My husband and I don't actually live beside it but we are just about a few hundred miles away from it, which is close enough for me. A few years back, back in 2014, I was pregnant with our child and we wanted to take a last vacation trip to Seattle before I had the baby and we decided to go through the Cascade mountains. It was so gorgeous and we got to see Mount Rainier which was just breath taking. In the article I found it says "Mount Rainier also sits on a subduction zone where colliding continental and oceanic plates cause regular seismic and geothermal activity. A subduction zone is an area where one continental plate is being forced underneath another into the earth's mantle. Mount Rainier experiences about 20 small earthquakes a year, making it the second most seismically active volcano in the northern Cascade Range after Mount St. Helens" (2016) Very interesting stuff, that I didn't know.
United States. National Park Service. "Volcanoes." National Parks Service. U.S. Department of the Interior, 2016. Web. 01 Feb. 2016. <http://www.nps.gov/mora/learn/nature/volcanoes.htm>.
2.
- Where are sinkholes most common and how can you protect your house from sinkholes?
Florid is one of the most common locations in the United States to experience sinkholes and has seemed to be experiencing an increase in occurrences even though sinkholes have been happening for millions of years. Sinkholes are depressions in the Florida’s land surface caused by the dissolving of porous limestone and dolostone which is susceptible to sinkhole activity and underground caverns. Acidic groundwater and rainwater dissolve the rock particles, creating voids in the limestone bedrock. Over time, the voids get bigger and cave in the bedrock. Too much acidic water dissolves limestone at a faster rate. Sometimes sinkholes can be obvious but other times many sinkholes go undetected for months. There are some common signs that can help us to detect them like windows and doors that become difficult to close. Structural damage like cracks in the walls and slabs, even shifting lawns and sinking yards can be more obvious signs of sinkholes imminent threat. Aside from relocating a home all together away from a lot that is becoming victim to one of these gaping chasms, it is best to look for these signs before building or purchasing a home that may have some of these forms of evidence looming over them.
Work Cited:
Perlman, Howard. "Sinkholes." The USGS Water Science School. U.S. Geological Survey, 02 Dec. 2015. Web. 04 Feb. 2016.
*Thanks again, message me with any questions :)
