STRATIS
WAVEFORM PURITY
Simulataneous 6 Degrees of Freedom output, from a single geometric centre, for translation data unpolluted by the rotation
Full 6 Degrees of Freedom motion analysis
From a single sensor
Compact and portable for easy deployment
Measures just 240 mm ∅ with a height of just 92 mm including feet
Robust anodised aluminium casing
With low-power and an integrated digitiser, Stratis is suitable for field and vault installations
Transverse and vertical rotations
For a complete representation of seismic wavefields
Improved earthquake source characterisation
To better understand fault orientation, rupture direction and slip distribution
Advanced structural response modelling
Improve understanding of torsional responses and enhance Finite Element Models
FEATURES
TRADITIONAL SEISMIC + ROTATION WITH A SINGLE GEOMETRIC CENTRE
- Z, N and E ground translation proportional to velocity
- Rotation in the Z, N and E planes proportional to velocity in the rotation (Radians/Second)
Visualization of rotational motions for different seismic phases modified from Kislov, K. V., and V. V. Gravirov. “Rotational seismology: Review of achievements and outlooks.” Seismic Instruments 57 (2021): 187-202;
COMPACT DESIGN FOR EASY DEPLOYMENT
- Stable low-profile design
- Compact 240 mm diameter casing manufactured from robust anodised aluminium casing
- Integrated digitiser
COMPLETE REPRESENTATION OF SEISMIC WAVEFIELDS
- Increased accuracy for fault orientation, rupture direction and slip distribution
- Greater accuracy for earthquake early warning algorithms
- Resolve wavefield ambiguity
- Analyse wave polarisation, crucial for determining seismic anisotropy or sediment layer behaviour
- Reduction in translational self-noise
VOLCANO MONITORING
Stratis compact size makes it suitable for volcanic studies including:
- Volcanic tremor analysis
- Inflation of volcanic reservoirs
- Tracking of dyke intrusions
STRUCTURAL HEALTH MONITORING
- Increased understanding of torsional responses for the design of more resilient structures
- Validate and improve Finite Element Models of critical infrastructure
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