A 700-mile fault could snap by 2075, sinking parts of Portland, Seattle & SF. The Cascadia megaquake may trigger a 100-ft ...

Microseismic (MS) technology is one of the effective methods for engineering fracture monitoring and has been widely used in coal mining. The accurate P-phase arrivals are critical for improving the ...

Slow-motion earthquakes, as you might guess from the name, involve the release of pent-up geological energy over the course ...

About 105,000 years ago, a volcanic flank collapse produced a 1,000-foot wave that crashed into Lanai and formed the island of Lanaihoy. Today, active volcanoes Mauna Loa and Kilauea continue to move ...

Imagine waking up one morning and finding the ocean rushing toward your neighborhood. According to scientists, that ...

Two small earthquakes struck the South Bay on Tuesday. The quakes hit less than two hours from each other. LOS ALTOS, Calif. ...

WASHINGTON, USA — A "swarm" of small earthquakes near the summit of Mount Rainier Tuesday is no cause for concern, according ...

Just off the coast of the Pacific Northwest is the Cascadia Subduction Zone, a complex collection of earthquake faults created by one tectonic plate pushing its way under another. Every 400-600 years, ...