Earth Fissures in the News
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 […]
Geologic Hazards
SR 87 Landslide Presentation at Roads and Streets Conference
Last week was the annual American Council of Engineering Companies of Arizona Roads and Streets Conference in my home town of Tucson, Arizona. Its a transportation themed conference as you might guess, but there are usually a few geotechnical-type presentations. This year, there was an excellent presentation on the SR 87 Landslide that occurred about 1-year ago on the highway between Phoenix and Payson. The presentation was given by Keith Dhalen, PE with AECOM , Wayne Harrison, RG also with AECOM and Scott Neely, PE with Terracon . Read on for my recap of the presentation. (Photo by ADOT via AZGS)
Available Resources
Online Geological Map of Arizona
The Arizona Geologic Survey has released an online version of the geologic map of Arizona. It uses a Google Maps interface, and allows you to zoom in on any area in the state to view […]