Did You Feel It? - 7 of 12

Did You Feel It? FAQs - 12 Found

How is my "Did you feel it?" input used?

You are one of almost 1 million people who have completed a Did You Feel It? questionnaire, and your input is used in a variety of ways. How it helps us:


    • Immediate high quality and large quantity of data.


    • Cost-effective means of collecting data (replaced expensive and slow postal questionnaires).


    • Helps constrain instrumental data used for ShakeMap and PAGER.


    • Provides data in areas where there are no seismic instruments.


  • Provides data for smaller earthquakes that we can't normally record.


How it helps others:


    • Provides a rapid assessment of the extent of shaking and damage for emergency responders.


  • Confirms experiences of shaking for other people.


How it helps you:


    • You learn the difference between magnitude and intensity.


    • Helps you feel more in control of your experience.


    • Opportunity to share your experience with others.


  • Opportunity to contribute to the advancement of earthquake science.


Some interesting and unusual observations:


    • Mapped out the trajectory of a space shuttle re-entry across Southern California.


    • Sonic booms...


Tags: Seismology, Liquefaction, Tsunamis, Earthquakes, Faults, Tectonics, Magnitude, Prediction