Earthquake Energy Calculator
Estimate the energy released by an earthquake from its magnitude.
Quick answer: enter your details below and click Estimate Quake Energy — your result appears instantly, right here in your browser. Nothing you enter is uploaded or stored.
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Enter your details below.
How to use
- Enter your values in the fields provided.
- Click Estimate Quake Energy.
- Read the result and adjust an input if you want a different outcome.
About this tool
Magnitude is logarithmic, so each whole step multiplies the energy roughly thirty-two times. Enter a magnitude and this tool estimates the released energy in joules and its equivalent in tonnes of TNT.
Frequently asked questions
What do I enter to get a result?
Fill in every field with your own numbers or choices, then run the tool. Empty number fields count as zero, so check them before you trust the output.
Can I reuse this result elsewhere?
Yes. The result is calculated in your browser from the values you entered, so you can copy the numbers into your own notes or plan.