Westfield, Vermont PBR (IMAGE) Seismological Society of America Caption A precariously balanced rock at Westfield, Vermont. USGS seismologist Thomas Pratt stands on top. The 2-meter measuring stick is provided for scale. Credit Devin McPhillips Usage Restrictions Please include credit information License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.