State of Dams and Levees
The GDACS Earthquake Impact report lists only one dam, the Cogoti dam, as at risk. The Cogoti dam is 92 km from the earthquake epicenter. Peak acceleration contour maps from the USGS following the earthquake suggest a peak ground acceleration between 0.2 and 0.3 g at the Cogoti Dam (approximately located at the red dot). Figure […]
Follow-Up to Preliminary Reconnaissance of the Northern South Island
Preliminary Updated Part 2 (16-17 November supplement to reporting on 15 November) Preliminary observations, Part 2
QuakeCoRE-GEER-EERI Earthquake Reconnaissance Report
EERI Reconnaissance Team Report on the Muisne, Ecuador Earthquake
Video: Ecuador Earthquake Briefing Webinar
The presentations include: • Introduction and Overview of the Earthquakeby Forrest Lanning (M. EERI, 2009) | Download Presentation PDF File• Geotechnical Observations from the GEER-ATC Teamby Sissy Nikolaou (M. EERI, 2004) | Download Presentation PDF File | 3D Models (download file and view in your device’s pdf reader)• Damage Observed in the Ground Zero Zone of Portoviejoby Ana (Gabby) Haro (M. EERI, 2014) | Download Presentation PDF […]
Oklahoma Dams Survive september 3rd Quake
The Army Corps of Engineers inspected seven dams following the 5.8 magnitude earthquake that hit the Pawnee region on September 3, 2016. No damage has been reported. Their inspection included the large Keystone dam, which is a close distance from the earthquake’s epicenter and capable of life-threatening consequences if it were to ever collapse. Most […]
GEER Report: The Geotechnical Aspects of the September 3, 2016 M5.8 Pawnee, Oklahoma Earthquake
Read the Report: The Geotechnical Aspects of the September 3, 2016 M5.8 Pawnee, Oklahoma Earthquake (PDF)
Geotechnical Sites of Interest