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Earth cracking up

Earth Quakes

Earthquakes
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Image from earthquake in Chile

Earthquakes are Big Movers and ShakersEdit

Some earthquakes are so powerful that they can actually move towns! The town of Calexico, California, which is located near the U.S.-Mexico border, moved as far as 2 ½ feet as a result of the 7.2 magnitude earthquake that occurred on April 4, 2010.

Earthquake-moved-california-city2-100624-02

A NASA aircraft flying above the fault system responsible for the April 4 earthquake in Baja California recorded how the quake deformed Earth's surface using radar. The resulting map, overlaid atop a Google Earth image of the region shows major fault systems (red lines), while recent aftershocks are denoted by yellow, orange and red dots. Credit: NASA/JPL/USGS/Google.


Calexico isn’t the only town that has been moved due to an earthquake. The city of Concepcion moved to the west at least 10 feet after the 8.8 magnitude earthquake that hit Chile on February 27, 2010. The Chile earthquake in February was the fifth most powerful ever measured. The earthquake measured at an immense magnitude of 8.8 and crated a tsunami across the Pacific Ocean that was headed towards Hawaii.

Earthquakes: University of Houston-Victoria (E-books by Teachers & Pre-Service Teachers)Edit

Hi, I am a professor at the University of Houston-Victoria. My graduate students (teachers) and pre-service teachers are editing/creating science content for Wiki e-books. We are just getting started.

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