Earth Science
Planning calculators for earth science — estimates from industry-style inputs.
Matches are ranked by relevance. Use CtrlK anytime to search the full site.
Earthquake Distance Calculator
Epicenter distance from P-wave and S-wave arrival times.
simple
Volcano Hazard Zone Calculator
Hazard radius from eruption type and VEI.
simple
Landslide Risk Calculator
Slope stability factor from soil, angle, and water table.
simple
Glacial Retreat Calculator
Retreat rate from historical measurements and temperature.
simple
Paleoclimate Proxy Converter Calculator
Temperature from oxygen isotope ratios (delta18O).
simple
River Meandering Calculator
Migration rate from channel width and discharge.
simple
Karst Feature Calculator
Sinkhole risk from limestone depth and water table.
simple
Magnetic Declination Calculator
Declination correction from location and date.
simple
Fossil Age Estimator Calculator
Age range from stratigraphic layer and index fossils.
simple
Continental Drift Calculator
Distance between landmasses from plate motion rate and time.
simple