Geologic Hazards

A 40 foot by 40 foot sinkhole at Austin Peay State University Governor's Stadium in Tennessee

40 Foot Sinkhole in Tenn. Stadium Endzone

January 16, 2015 rockman Comments Off

A 40 foot by 40 foot sinkhole at Austin Peay State University Governor's Stadium in Tennessee

A large 40 foot wide by 40 foot deep sinkhole opened up just outside the endzone of Austin Peay State University’s Governors Stadium in Tennessee. The stadium is currently undergoing upgrades for next year’s football season. Sinkholes are not unexpected on Austin Peay campus, and the video below shows one example of how the University has actually incorporated the remediated sinkholes into the landscaping. Representatives from the University and the contractor expect the sinkhole will be filled without any problems.

[Updated 1/19/2015] Click through for the video since I can’t figure out how to turn off the auto-play on this one. [/Updated]

[…]

Video: Massive Earthworks to Stabilize US 89 Landslide

November 21, 2014 rockman Comments Off

By April of 2015, the contractor for Arizona DOT’s US 89 Landslide Stabilization project will have move over 1 million cubic yards of material to build a massive stabilizing berm. They are using CAT 773 […]

Damage on Fourth Avenue in Anchorage Alaska after the Good Friday Earthquake of 1964

Alaskan megathrust fault more active under Kodiak

October 23, 2014 rockman Comments Off

The 1964 Alaska Earthquake was 9.2 in magnitude and caused dramatic destruction and dramatic examples of surface rupture, subsidence, and liquefaction. New paleoseismic evidence points to a previously unknown earthquake that happened on the same […]

A tsunami flowing into the city of Mikayo after the 9.0 magnitude Fukushima earthquake March 11, 2011 (JIJI PRESS/AFP/GETTY IMAGES)

Underwater landslide may have doubled 2011 Japanese tsunami

September 30, 2014 rockman Comments Off

A seismologist at the University of Tokyo believes that the monstrous tsunami that was responsible for so much damage and loss of life during the 2011 Fukushima earthquake may have been a result of a […]

Video: Construction Begins on Buttress for US 89 Landslide

September 11, 2014 rockman Comments Off

The Arizona DOT and their contractor have begun blasting and earthwork to realign a portion of US 89 in northern Arizona near Page that was cut off by a large landslide in February of 2013. […]

A magnitude 6.0 earthquake struck near Napa, California on August 24, 2014.

Magnitude 6.0 Earthquake in Napa, California

August 25, 2014 rockman Comments Off

Early Sunday morning, a 6.0 Magnitude earthquake struck near Napa California lasting 10 to 20 seconds, sending 120 people to the hospital and damaging buildings, breaking water mains, disrupting power distribution, and breaking gas lines […]

Two-fold failure event evident in the seismic data

Oso landslide: differences of opinion about the landslide mechanisms

July 31, 2014 rockman Comments Off

Professor Petley, the author of the Landslide Blog, has an interesting discussion about a controversy in the geoengineering / geology community regarding the Oso landslide in Washington State. The Geotechnical Engineering Extreme Events Reconaissance (or […]