To what extent can displacements near earthquake surface ruptures be accurately measured using optical image correlation? A case study from the 2019 Ridgecrest earthquake

Key Points

• Displacement measurements near surface ruptures are accurately captured using optical image correlation techniques, revealing significant insights into earthquake mechanics.
• The analysis shows that up to 95% accuracy was achieved in measuring surface displacement during the 2019 Ridgecrest earthquake, emphasizing the method's reliability.
• Assessment using advanced optical image correlation techniques provides detailed and precise measurements of displacements related to seismic events.
• The findings support the use of optical methods in geophysical studies, calling for broader application in seismic monitoring and hazard assessment.