Thursday, February 25, 2010

Ring of Fire

date feb 25
author none

http://map.ngdc.noaa.gov/website/seg/hazards/viewer.htm
EARTHQUAKES & VOLCANOES
There is a relationship between plate boundaries of Earth and volcanoes. The reason is becames tehre are earthquakes and volcanoes along the west coast by the north american continent


http://geology.com/plate-tectonics.shtml
BOUNDRIES
Aleutian Islands: Ocean-continent convergent boundary
Cascades Volcanoes:Continent-continent convergent boundary
San Andreas Fault Zone:Ocean-continent convergent boundary

Plate tectonics

date feb 25
author none


http://highered.mcgraw-hill.com/sites/0072402466/student_view0/?chapter19/animations_and_movies.html
When Pangea was last formed as one conitnent it was about 235 million years ago.


http://www.geo.msu.edu/geogmich/rift_zone.html (Continental Breakup by Mantle Plumes)
This rift occured about 1.1 billion years ago. The lava turned into a rock called basalt.

http://www.scotese.com/earth.htm (Cambrian era)
The late Cambrian about 425 million years ago.

http://www.scotese.com/earth.htm (the future world)
The major mountain range which is now in North Africa is The Medditerranean Mountain Range. The two continents that North America will join are South America and Africa.

Sunday, February 21, 2010

blog for week of feb.8th

date:feb 8th
author: none

Top 10 Deadliest Tornadoes in Texas

There were alot of tornadoes that affected and destroyed Texas. The Waco was the worst!



The waco tornado happened on May 11th 1953. It happened around 4 pm. There was aboout 114 people killed and 597 injured. 600 gines were damaged and 1000+ cars as well. This tornado resulted of a cost of 41 million. Because of this people have no jobs, homes, or any way of transportation.


I enjoyed learning about the Waco Tornado!

Sunday, February 7, 2010

Earthquake Blog

2/7/10
Earthquakes
http://www.iris.washington.edu/servlet/eventserver/map.do- IRIS earthquake brower
http://www.iris.edu/seismon- Seinonesmic Monitor
author none


The most recent earthquake was in Febuary 1st in California.

All of the earthquakes that happen in South America usually happen all over the west coast. As you go more into South America the depth gets greater.