US Geological Survey

Landslides and mudslides: Why they happen

USGS: Magnitude 6.2 earthquake strikes Philippines

Magnitude 6.2 earthquake detected off New Zealand's south coast

Magnitude 7.1 quake strikes east of New Caledonia

Strong 7.2 Mexico quake cuts power and damages homes; no deaths reported

Magnitude-6.3 earthquake strikes northern Chile

2 dead as tsunami hits New Zealand after series of strong quakes