SEATTLE — Technology that detects strong earthquakes and alerts residents to their shaking got renewed attention after an earthquake struck near Orcas Island on Monday morning. The magnitude 4.5 ...

Earthquake alerts on smartphones offer precious seconds to seek safety by using built-in accelerometers to detect tremors. The Android Earthquake Alerts System, which Google expanded to India in ...

The largest active volcano in Washington state has been rocked by a series of earthquakes, putting experts on high alert. Mount Adams is a 12,000-foot-tall stratovolcano located in south-central ...