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Mendenhall Research Fellowship - Research Opportunity # S42. Improving regional earthquake-triggered landslide and liquefaction models for Southeast Alaska and beyond
The 2018 Anchorage, Alaska earthquake (M 7.1) was the largest earthquake to significantly impact the Anchorage area since the great 1964 (M 9.2) earthquake. The 2018 earthquake triggered landslides, liquefaction, and ground cracking over a broad region and caused significant damage to homes, buildings, roads, rail lines, and other infrastructure in southcentral Alaska. The 2018 earthquake provides a unique opportunity to evaluate and improve existing ground-failure models and to develop new approaches for ground-failure prediction for Alaska and elsewhere.
Current USGS near-real-time ground-failure models (https://earthquake.usgs.gov/data/ground-failure) are coarse in resolution and global in scale. As a result, the models for the 2018 earthquake missed important details of the ground failure that occurred. They also were not developed for ground-failure types such as lateral spreading and cracking that are not easily categorized as either landslides or liquefaction; many of these ground failure types occurred in Anchorage. The ground-failure-model accuracy is controlled mostly by the global resolution of the input data sets, including topography, geology, and global proxies for hydrological and geotechnical information. Although the models missed some details in the Anchorage earthquake, they did capture general trends in liquefaction and landslide observations and communicated the overall impact of ground failure through alert levels that are displayed on the USGS earthquake event pages. Acquiring and incorporating higher resolution data at regional—rather than global—scales should result in significant model improvement, as could the incorporation of novel or hybrid modeling approaches.
Proposed Duty Station: Golden, Colorado
Areas of Ph.D.: Geophysics, geology, civil engineering or related fields (candidates holding a Ph.D. in other disciplines but with knowledge and skills relevant to the Research Opportunity may be considered).
Qualifications: Applicants must meet one of the following qualifications: Research Geophysicist, Research Engineer
(This type of research is performed by those who have backgrounds for the occupations stated above. However, other titles may be applicable depending on the applicant's background, education, and research proposal. The final classification of the position will be made by the Human Resources Specialist.)
Physical/Environmental Demands: Work is usually performed in an office setting. The work area normally involves everyday risks or discomforts that require normal safety precautions typical of offices or meeting and training rooms.
Occasional travel - Overnight travel of 1 to 2 nights per month may be required.
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This job originated on www.usajobs.gov. For the full announcement and to apply, visit www.usajobs.gov/GetJob/ViewDetails/544760400. Only resumes submitted according to the instructions on the job announcement listed at www.usajobs.gov will be considered.