(AP) - Scientists say they're encouraged by signs that the southern sea otter population in California is slowly recovering, but say there are still reasons for concern.
(AP) — Federal scientists say the chance of damaging earthquakes hitting east of the Rockies has increased significantly, much of it a man-made byproduct of drilling for energy.
(AP) - The U.S. Geological Survey has awarded $4 million to four universities in the Pacific Northwest and California to boost the development of earthquake early warning systems.