In an earthquake, the opposing sides of a fault jolt past each other. Digging through layers of soil and sediment above a fault line, geologists can read the story of past earthquakes in the ...

PORTLAND, Ore. — The Cascadia Subduction Zone earthquake gets headlines around the Pacific Northwest, but geologists say the next big earthquake you feel will likely come from a fault somewhere ...

Scientists using lidar, a system that bounces laser flashes off the ground, have found hidden seismic faults in Oregon, including one on the northern flank of Mount Hood that appears to be active ...

Oregon earthquake MAP: Tremors felt as far as Portland; Ring of Fire MAP: ... Fault lines along the Ring of Fire extend from New Zealand, Asia’s east coast, Canada and the USA.

Other fault lines have small earthquakes “going off all the time” which help researchers map those zones; however, the Cascadia Subduction Zone is “very quiet,” making it difficult to ...

Scientists warn if a 1,000-ft ‘mega-tsunami’s spurs from an active fault line it could wipe part of America off the map - Alaska, Hawaii and areas along the mainland West Coast would be at ...