according to a new geologic map of the island developed by a University of Washington team. Overall, the map shows about 16 percent more hazardous ground than an older, less accurate geologic map ...

The agency's interactive map shows reports of the shaking ... A second quake with a 2.8 magnitude was recorded in Washington County near Marietta, according to the USGS. Monday marked another ...

The agency shared new maps Wednesday ... including in Washington, D.C., Philadelphia, New York and Boston. USGS geophysicist Mark Petersen considers the new model "a touchstone achievement ...