Seismic Tools

Interactive tools to analyze earthquakes, assess seismic risk, estimate tsunami danger, and build emergency preparedness plans.

Seismic Risk Checker

Check the earthquake risk level for any location worldwide.

Convert earthquake magnitude to energy released in TNT or atomic bombs.

Calculate distance from an earthquake epicenter and estimate felt intensity.

Compare two earthquakes side-by-side on energy, depth, and impact.

Estimate tsunami risk based on earthquake parameters and coastal proximity.

Evaluate your building's earthquake vulnerability.

Build a personalized earthquake emergency kit for your household.

Calculate how far an earthquake can be felt and intensity at distance.

Estimate soil liquefaction probability based on earthquake and ground conditions.

Estimate Peak Ground Acceleration for an earthquake scenario.

Calculate aftershock probability and expected count after a mainshock.

Search the historical earthquake database by multiple criteria.

Compare two earthquake magnitudes and see the energy difference on the Richter scale.