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

Alaskan megathrust fault more active under Kodiak

October 23, 2014 rockman Geologic Hazards Comments Off on Alaskan megathrust fault more active under Kodiak

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 […]

3D liquefaction map of Seoul S Korea
Press Releases

KICT Develops 3D Liquefaction Hazard Map

April 20, 2023 rockman Press Releases Comments Off on KICT Develops 3D Liquefaction Hazard Map

Newswise — Korea Institute of Civil Engineering and Building Technology (KICT, president Kim Byung-suk), has successfully developed a “three-dimensional liquefaction hazard map” that visually presents ground liquefaction forecasts in the event of an earthquake. Liquefaction is […]

The proposed mitigation is to shift the road alignment 60 feet and to use the rock from the cut to buttress the toe of the slide
Geologic Hazards

Geotechnical investigation and recommendations complete for US 89 Bitter Springs Landslide

July 30, 2013 rockman Geologic Hazards Comments Off on Geotechnical investigation and recommendations complete for US 89 Bitter Springs Landslide

The geotechnical investigations and report are complete for the US 89 Bitter Springs Landslide south of Page, Arizona. ADOT published a news release with the results of Kleinfelder’s geotechnical investigation and a link to their […]