Portable Broadband Seismology

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Portable Broadband Seismology
Part 3 Seismometer Overview

• Jakarta, Indonesia
• May 11-13, 2006
• Bruce Beaudoin
• Marcos Alvarez

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A Simple Seismometer
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Equipment InventorySeismometers
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Spectral Amplitude Response Characteristics
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Equipment InventoryBroadband Seismometers
Guralp CMG-3T
Streckeisen STS-2
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Equipment InventoryIntermediate Period
Seismometers
CMG-40T 30s active feedback
CMG-ESP 30s active feedback
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Equipment InventoryShort Period Seismometers
L4C 1Hz
Teledyne GS-13 1Hz 1 Element/Housing
L22 2Hz
Passive Sensors
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Streckeisen STS-2

• Tri-Axial
• 120 Second
• Low Power
• 1500 V/m/s

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Streckeisen STS-2
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(No Transcript)
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Transformation Equations
East North Vertical
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Transformation Equations
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Guralp CMG-3T

• 120 Second
• Low Power
• 1500 V/m/s

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Guralp CMT-3T
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Guralp CMG-3ESP

• 30 Second
• Low Power
• 2000 V/m/s

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Guralp CMG-40T

• 30 Second
• Low Power
• 800 V/m/s
• No locking