1, also to areas expected to undergo what is scientifically ... and the Kaetsu district of Niigata Prefecture, the 2011 quake measured only 4 or below on the seismic intensity scale but a grade ...

A 3.4-magnitude earthquake rattled the Northern California area, the U.S. Geological Survey reported. The 4-mile deep quake hit about 5 miles northeast of San Martin in the Santa Clara Valley at 12:35 ...

"That was nuts. Pretty cool." The alert from the United States Geological Survey (USGS) said: "Earthquake detected! "Drop, Cover, Hold on. "Protect yourself." ...