Earth Fissures on Phoenix PBS Affiliate “Horizon” Show

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 […]

Visit Welcome to the USGS Geologic Hazards Team

Arizona State Geologist Lee Allison blogged about some recent news coverage of earth fissures as a result of the AZGS’ release of the first of their earth fissure maps. Here is what he said:

The East Valley Tribune published an extensive set of news features on earth fissures in their Sunday edition, including timeline, maps, videos, and an animation of how fissures form.

KPHO, CBS channel 5 in Phoenix, also has a nice video segment with great aerial shots of the 2005 fissure in Chandler Heights that triggered the recent interest in this hazard.

Here is the video he was referring to.

[…]