Seismometer
Rotational Seismology with Tellus-R Seismometer
Rotational Seismology with Tellus-R Seismometer: engineering guidance from QuakeLogic covering structural health monitoring, applications, measurement w...
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Engineering articles on broadband seismometers, compact sensors, rotational seismology, deployment considerations, and seismic monitoring performance.
Seismometer
Choosing the Right Seismometer: Why One Size Doesn’t Fit All
Choosing the Right Seismometer: Why One Size Doesn’t Fit All: QuakeLogic engineering guidance on seismic sensors, applications, data quality, references, F...
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Seismometer
Galperin vs Orthogonal Seismometer Configurations: What’s the Difference and Why It Matters?
Galperin vs Orthogonal Seismometer Configurations: What’s the Difference and Why It Matters?: QuakeLogic engineering guidance on seismic sensors, applicati...
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Seismometer
Linearity, Repeatability and Phase Lag in Digital Sensors
Three performance metrics decide whether a digital sensor's data can be trusted in seismic and structural monitoring. Definitions, test methods and why…
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Seismograph
Dynamic Range of Analog Sensors and Data Loggers Explained
Dynamic range, decibels, gain and bit resolution explained for measurement systems: why seismic accelerometers of 130 to 140 dB are paired with…
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Seismometer
Seismometer vs Velocimeter vs Accelerometer: Key Differences
A plain comparison of the three ground-motion instruments: seismometers for broad research recording, velocimeters for velocity, accelerometers for strong shaking and structural…
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Acceleration or Velocity Data for Earthquake Monitoring?
Accelerometers excel at strong near-field shaking and PGA; broadband seismometers see small distant events with less noise. Here is how to choose,…
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Seismometer
Instrument Response and Phase Corrections in Seismic Data
Raw seismometer output is distorted by the sensor's own response. This explainer gives the deconvolution and phase-correction formulas and why they matter…
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Seismometer
Understanding Lippmann Correction in Seismometers and Its Importance
What Lippmann correction does inside a seismometer: detecting phase shifts, computing correction factors and realigning recorded waveforms with actual ground motion, automatically.
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