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September 26 @ 4:00 pm - 5:00 pm CDT

Current Research in EEPS Seminar: Dr. Donna Shillington – Lamont-Doherty Earth Observatory

Diet affects behavior: how ingested fluids and sediments influence Alaska subduction zone earthquakes

Subduction zones worldwide exhibit remarkable variations in seismic activity and slip behavior along strike and down dip, and many factors have been invoked to explain this variability. The subduction zone off the Alaska Peninsula exhibits pronounced changes in earthquake behavior over relatively small along-strike distances, making it an excellent place to examine controls on seismogenesis. Marine seismic reflection and refraction data acquired across this subduction zone with the R/V Marcus Langseth reveal substantial along-strike changes in incoming sediment thickness, normal faulting at the outer rise and hydration of the plate prior to subduction. These variations in the properties of the subducting plate correlate with changes in plate boundary properties, seismicity and earthquake rupture history. We propose the amount of water and sediment delivered into the subduction zone on the incoming plate are influencing seismic behavior throughout this system.

Details

Date:
September 26
Time:
4:00 pm - 5:00 pm
Event Category:

Venue

Keith-Weiss Geological Laboratories – Room 100
Rice University, 6100 Main Street, MS 126
Houston, TX 77005 United States
+ Google Map
Phone:
713-348-4880
Website:
earthscience.rice.edu

Details

Date:
September 26
Time:
4:00 pm - 5:00 pm
Event Category:

Venue

Keith-Weiss Geological Laboratories – Room 100
Rice University, 6100 Main Street, MS 126
Houston, TX 77005 United States
+ Google Map
Phone:
713-348-4880
Website:
earthscience.rice.edu

For outside visitors, the best way to get to our department is to come in on Rice Blvd and turn into entrance 20 (intersection of Rice and Kent St.). At the stop sign, you will see a visitor parking lot.  From there, walk east to the department.  The google map below shows exactly where our building is.