All about earthquakes and geologic hazards of the Pacific Northwest
Catalogs and Data
Catalogs Trace Data PNSN Stations Focal Mechs Intensities Historic EQs Reports Info Products
Trace Data PNSN Stations Focal Mechs Intensities Historic EQs Reports Info Products
PNSN Stations Focal Mechs Intensities Historic EQs Reports Info Products
Focal Mechs Intensities Historic EQs Reports Info Products
Intensities Historic EQs Reports Info Products
Historic EQs Reports Info Products
Reports Info Products
Info Products
ABOUT FOCAL MECHANISMS
Focal mechanisms (also called "Beach Balls") help determine the angle and orientation of the fault.
