Earthquake Info

• Real-time Earthquake Map
• Recent Earthquakes in the Pacific Northwest
• Recent Earthquakes for Yellowstone

Earth Science Info

• National Hurricane Center
• USGS Earth Resources Observation and Science (EROS) Center

Snow Pack Conditions

• California Snow Conditions
• Oregon Snow Conditions

Useful Geology Links

• GSA Geolgic Time Scale
• California Geological Survey
• Oregon Department of Geology and Mineral Industries
• Schlumberger Oilfield Glossary
• USGS Cascades Volcano Observatory
• Washington Geological Survey

Professional Organizations

• American Association for the Advancement of Science
• American Association of Petroleum Geologist
• American Geological Institute
• The Geological Society of America

Equipment, Tools, and Supplies

• Brunton
• Estwing
• Forestry Suppliers, Inc.
• Gfeller Casemakers

Geology Blogs

• Accidental Remediation
• Georneys
• Geotripper
• Looking for Detachment

Geology YouTube

• Shawn Willsey
• Nick Zentner

Geology Books and Maps

• Benchmark Maps
• Mountaineers Books
• Mountain Press (Roadside Geology)