🌍 Seismologist Focal Sphere Tool

Harvard EPS55

Compression (Up)
Dilation (Down)

Station Placement

Click on the focal sphere to place seismic stations, then assign polarity.

Analysis Tools

Analysis Status

Stations Placed: 0
Compression: 0
Dilation: 0
Nodal Planes: 0
Place stations to begin analysis

Real Data Examples