Showing posts from May, 2009

The 'Good Friday' Earthquake in Alaska

also read eyewitness accounts The 1964 Alaska earthquake, also known as the Great Alask…

What is an "Tsunamis"?

Tsunamis are long-wavelength, long-period sea waves produced by an sudden or abrupt mov…

Seattle sits on "Soil Liquefaction"

Soil liquefaction occurs when, because of the shaking, water-saturated granular materia…

What is an 'Aftershock"?

An aftershock is an earthquake that occurs after a previous earthquake (the main shock)…

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