earthquake, Richter magnitude scale

A preliminary 2.1-magnitude earthquake struck near San Joaquin Hills in Orange County, according to the U.S. Geological ...
A 5.0 magnitude earthquake was detected in western Texas Friday night, according to the United States Geological Survey.
A 5.0 magnitude earthquake struck West Texas, felt over 150 miles away with no immediate deaths or injuries reported.
The earthquake was centered in Hihifo at a depth of 103.5 kilometers (about 64 miles). The USGS said it received two reports ...
A 5.2 magnitude earthquake rattled parts of northern Alberta Thursday morning, with no record of it causing damage.
Multiple earthquakes shook California's Bay Area Thursday. They were recorded near Hayward, around 20 miles southeast of Oakland, the USGS reported.
LIVE: An earthquake measuring 4.0 on the Richter scale hit Bihar's Siwan, hours after strong tremors were felt in Delhi-NCR ...
According to the National Centre for Seismology, the earthquake measured 4.0 magnitude on the Richter scale and occurred ...