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What is the meaning of this seismograph ? How to read?
I got the seismograph picture recorded in our home town on 26th Dec 2004 two hours before Tsunami struck our coast. The date is in American format, the time is GMT. That is 5 hours and 30 minutes should be added. Ok but I am unable to find the acceleration from it. The other data’s shown in the graph are BHE OFFSET = 2.6 E +0002 MAX = 5.1 E +0006 MIN = 4.5 E + 0006 on the top we found 8.0 E + 0006. Please explain the meaning of each word and Character.
3 Answers
- ?Lv 61 decade agoFavorite Answer
You can not measure seismic acceleration directly from the moment equation, you have to measure it locally or estimate it based on damage data or modeling.
- 5 years ago
I do not know what you mean by an "electric meter" but the others are as follows: seismograph = device to measure energy waves in the earth that produce earth quakes (seismic waves) electrocardiograph = device that measures the electrical impulses that are generated by your heart during its working cycle (The EKG or ECG) barometer = measures the relative atmospheric pressure speedometer = measures the velocity of a vehicle to which it is attached altimeter = measures the relative altitude of an aircraft spectroscope = measures the wavelengths of light that either pass through, given off by or are absorbed by an item.