MENDOCINO COUNTY, CA - A 4.4 magnitude quake was registered near Willits at midday on Tuesday, according to the U.S.

Moderate shaking was reported near the quake's epicenter, with light shaking reported as far east as Redding, north into Klamath Falls, Ore., and as far south as Sacramento, according to the USGS.

A swarm of a half-dozen earthquakes reaching up to magnitude 2.9 rattled San Ramon in California near San Francisco, the U.S.

The USGS estimated that a small area around the epicenter may have experienced light to moderate shaking. A larger radius, stretching as far as Reno and Carson City in Nevada, likely felt weak shaking ...