[OBSICtec] USGS Mendenhall post-doctoral Fellowship Research Opportunity: Using ocean bottom seismograph (OBS) data for natural hazard studies, USGS Woods Hole, MA

[Masako Tominaga]

*USGS Mendenhall post-doctoral Fellowship Research Opportunity:* *Using 
ocean bottom seismograph (OBS) data for natural hazard studies, **USGS 
Woods Hole, MA*

We seek a postdoctoral scientist with a background in passive seismology 
to work with experienced geophysicists at the USGS in Woods Hole, MA and 
other USGS offices on problems related to natural hazard assessment in 
the marine environment. This two-year position is at the GS-12 grade 
level with a possibility for extension.Detailedseismic observations of 
subduction-zone related processes, including major hazards such as great 
subduction earthquakes, tsunamis, and island volcanic eruptions, require 
the use of ocean bottom seismographs (OBS) for accurate imaging and 
detailed earthquake localization. Passive margins like the U.S. 
Atlantic, the North Slope of Alaska, and the Gulf of Mexico, host major 
oil, gas, and hydrate reservoirs and are prone to submarine slope 
failures and potentially landslide-generated tsunamis. Shear-wave 
measurements, which can only be recorded directly by on-bottom 
instruments, provide valuable in situ constraints on mechanical 
properties of marine sediments, enabling us, for example, to model 
forearc deformation and tsunami generation during large subduction 
earthquakes, assess the potential for submarine slope failures, and 
measure natural gas hydrate concentrations.**The advent of passive 
seismological techniques such as beam forming, seafloor compliance, and 
ambient noise imaging provide new tools to analyze data and learn new 
information about the seafloor and the hazards it contains. The USGS 
Woods Hole Science Center (WHSC), located within the campus of the Woods 
Hole Oceanographic Institution (WHOI), owns many of the short-period OBS 
in the academic fleet, and two intermediate-period seismographs, and has 
access to additional intermediate-period seismographs. It maintains a 
close working and technical relationship with the National OBS facility 
(OBSIC) located at WHOI. The USGS is also building jointly with WHOI a 
new fleet of lightweight, state-of-the-art OBS for rapid-response 
capability in response to earthquakes and volcanic events. Data from 
these short-term rapid-response deployments will also be available for 
analysis. In the immediate term, this Mendenhall post-doctoral position 
provides an opportunity to conduct independent innovative research on 
two existing passive seismology data sets collected by the OBS and to 
participate in the collection of new data sets.

Potential candidates can view the full project information at

https://www.usgs.gov/centers/mendenhall/18-24-using-ocean-bottom-seismograph-obs-data-natural-hazard-studies__

Applicants are encouraged to contact the research advisors listed in the 
project description and discuss potential postdoc project ideas. 
Preference is given to U.S. citizens. Applications must be submitted 
through USAJOBS.gov at:

https://www.usajobs.gov/GetJob/ViewDetails/547363600

Closing date for applications is January 6, 2020.

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