Non-volcanic tremor ramp up precedes slow slip in Cascadia by about a day, indicating that brittle-creeping process ...

After the House of Representatives passed a resolution on Tuesday to fund the federal government and avoid a shutdown, two Oregon state lawmakers are denouncing proposed cuts — jeopardizing ...

The last major Cascadia quake struck in 1700, and with an average recurrence interval of 550 years, so that means, the next ...