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Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
xGraben : A graben is a down-dropped block of the earth's crust resulting from extension, or pulling, of the crust.
Click on the word to find out!
A magnitude-8.1 earthquake and tsunami that killed 192 people last year in Samoa, American Samoa and Tonga was in fact a triple-whammy. The 8.1 "great earthquake" concealed and triggered two...Read more