More earthquakes shake The Geysers

<p>Two earthquakes registering a magnitude of 3.0 and 3.1 shook The Geysers area early Sunday within minutes of each other, reported the U.S. Geological Survey.</p><p>The first, the 3.0 quake, struck at 4:31 a.m. </p><p>The second came 18 minutes later and was a 3.1-magnitude temblor, according to initial reports from the geological agency.</p><p>Both quakes were centered two miles north of The Geysers and four miles west of Cobb, in Lake County.</p><p>The Geysers steamfields are in hills separating Sonoma and Lake counties. Earthquakes there are a daily occurance, although most quakes are in the 1- to 2-magnitude range.</p><p>Many, however, register in the 3-magnitude range, and a few of late have registered a reading of magnitude 4 or more</p>