Hawk Rock Subsidence Feature 2004 - 2008 Interferogram
Geologic Hazards

Arizona Land Subsidence Monitoring Report

The Arizona Department of Water Resources has an excellent program to monitor a somewhat unique geologic hazard – land subsidence. Caused by compaction of valley sediments in areas of declining groundwater table, it can create […]

Crux Subsurface employees drilling geotechnical holes for the US 89 landslide investigation
Geologic Hazards

U.S. 89 Landslide Exploration

Specialty drilling contractor Crux Subsurface recently completed geotechnical drilling for Kleinfelder at the site of a large landslide near Page, Arizona. Crux completed 17 holes to depths up to 250 feet using a combination of […]

Water rushes into the Carey Tunnel (previously the Brooklyn Battery Tunnel)
Geologic Hazards

GEER Report for Hurricane Sandy

The Geotechnical Extreme Events Reconnaissance or GEER group funded by the NSF puts experts on the ground in the aftermath of natural disasters to collect geotechnical data that can used in case studies and ultimately […]

A landslide severed an oil pipeline in Ecuador on May 31, 2013.
Geologic Hazards

Landslide Severs Oil Pipeline in Ecuador

This is definitely a sad story, and one that highlights the importance of an adequate geological investigation when designing pipelines. A landslide cause a rupture in the Trans-Equador oil pipeline on May 31st. The volume […]