1 Water molecules have a. 2  because the electrons in each covalent bond between the oxygen and each hydrogen are unequally shared-the electrons are closer to the oxygen. 3  This means that each water molecule has a partial negative charge on the oxygen and partial positive charges on the hydrogens.
The 7.9 magnitude quake, which rattled the area Nov. 3, 2002, has been the subject of research and fascination since. Scientific studies of the quake, whose epicenter was about 90 miles south of Fairbanks, spawned new national standards for building bridges and are providing a deeper understanding of how earthquakes affect frozen ground.
Because of those tightened standards, Dean said, the effect of the Denali Fault earthquake was roughly a third of what the firmâs newest buildings were designed to withstand. When is the next one? A decade after the Denali Fault quake suddenly rattled the Interior, one thing still is tough to predict: Will Fairbanks ever see anything like that quake again?