🌍 Calculators

Earthquake Time Richter Magnitude Duration

Estimates earthquake strong shaking duration in seconds by Richter magnitude.

Magnitude (3 a 9.5)

—

Related Tools

Compute annual rent adjustment by IGP-M or IPCA accumulated in the last 12 months (manually configurable).

Compute estimated due date (EDD), gestational age and trimester from the last menstrual period (LMP).

Compute fertile window and ovulation day from the first day of the last cycle and the average cycle length.