Related topics: earthquake

North American continent is a layer cake, scientists discover

(PhysOrg.com) -- The North American continent is not one thick, rigid slab, but a layer cake of ancient, 3 billion-year-old rock on top of much newer material probably less than 1 billion years old, according to a new study ...

Surfing for earthquakes

A better understanding of the ground beneath our feet will result from research by seismologists and Rapid -- a group of computer scientists at the University of Edinburgh. The Earth's structure controls how earthquakes travel ...

Not more quakes, just more people in quake zones

First the ground shook in Haiti, then Chile and now Turkey. The earthquakes keep coming hard and fast this year, causing people to wonder if something sinister is happening underfoot. It's not.

Deadly quakes are coincidence, scientists say

(AP) -- Experts say there is nothing unusual about the latest spate of earthquakes in Haiti, Chile and now Turkey, but their devastating effects illustrate how increased construction up and down the world's fault lines can ...

After Haiti, Worries About Other Big Quakes

In the last several days, while the attention of the world has been focused on the human toll of Tuesday's earthquake in Haiti, scientists have begun to look at the quake's geological toll. What is the danger to populations ...

Killer earthquakes shake scientific thought

A sudden cluster of massive earthquakes which has shaken Asia-Pacific communities and likely left thousands dead has also jolted some scientists, who are starting to question conventional thought.

New Sumatra quake takes seismologists by surprise

The huge earthquake that hit Sumatra occurred at a deep, unexpected location, illustrating the dangerously complex geological mosaic in this area, a seismologist told AFP on Thursday.

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