We've been watching earthquakes for 30 years in the Tahoe area and have never witnessed an earthquake 'swarm' anything like this Small earthquakes shake Lake Tahoe Aug 11, 2004
We've been watching earthquakes for 30 years in the Tahoe area and have never witnessed an earthquake 'swarm' anything like this
Sierra Nevada is a Spanish phrase meaning "snow-covered mountain range" (sierra is one of the Spanish words for "mountain range").
It may refer to any of the following: