Expert: Southwest, East Coast Quakes Unrelated

From KOAT-TV.com - GOLDEN, Colo. -- The earthquake that struck Virginia on Tuesday hit an area that historically is not seismically active - and there's no connection with another rare quake that struck Colorado, a U.S. Geological Survey scientist said. USGS geophysicist Daniel McNamara said Tuesday's magnitude-5.9 quake that rattled much of the East Coast cannot be traced to a specific fault. The same applies to a magnitude-5.3 quake that struck southern Colorado late Monday, McNamara said. That area, too, has seen little seismic activity on such a large scale. McNamara stressed there was no connection between the two quakes. Neither was the direct product of tectonic plate movement, he said. Read more

Expert: Southwest, East Coast Quakes Unrelated