A growing wave of seismic unrest is sending shockwaves across the United States as earthquake activity intensifies from coast to coast, raising concerns among scientists, emergency agencies, and millions of Americans watching the ground beneath them become increasingly unpredictable.

From Alaska’s volatile tectonic zones to California’s infamous fault systems — and now unexpectedly into the Northeast — the United States is experiencing what many are calling a dramatic escalation in seismic activity. Federal earthquake monitoring systems have documented a surge of earthquakes across multiple states in recent weeks alone, prompting tsunami monitoring alerts, emergency assessments, and renewed scrutiny of long-dormant fault lines.…