Skip to content
Natural Environment Research Council
Grants on the Web - Return to homepage Logo

Details of Award

NERC Reference : NE/C518806/1

◀ Back to previous page

Determination of the rupture history of large earthquakes from analysis of broad band seismograms.

Grant Award

Principal Investigator:
Dr S Das, University of Oxford, Earth Sciences
Grant held at:
University of Oxford, Earth Sciences
Science Area:
Earth
Overall Classification:
Earth
Science Classification details
ENRIs:
Natural Resource Management
Science Topics:
Tectonic Processes
Properties Of Earth Materials
Geohazards
Abstract:
A complete picture of the processes occurring on seismically active faults is the essential prerequisite for the reliable assessment and mitigation of earthquake hazards. But earthquake parameters vary greatly over the fault in large earthquakes. For example, earthquake fault slip can range from 1-15 metres on different portions of the fault for any earthquake. Further slow slip has also been observed after a recent earthquake. In addition, earthquake damage depends directly on the speed at which the Earth's crust fractures. Our earlier studies showed that it is possible for this rupture velocity to be very high on some portions of the fault. Thus, sites close to regions of higher rupture velocity would be damaged more than other regions. Advance knowledge of such sites, based on earthquakes that have already occurred, is invaluable for making decisions on siting of critical structures (for example, dams, bridges, power plants, etc.). This proposal aims to quantify the distribution of slip, rupture speed, stress drops, and other fundamental source characteristics over the fault for several recent large earthquakes, by analysing seismograms. The results will also be used to increase our understanding of active tectonic areas. The relevant equations will be solved using a massively parallel computer cluster. The recent occurrence of several large earthquakes makes this investigation timely.
Period of Award:
1 Oct 2005 - 31 Mar 2009
Value:
£125,342
(FY details)
Authorised funds only
NERC Reference:
NE/C518806/1
Grant Stage:
Completed
Scheme:
Standard Grants Pre FEC
Grant Status:
Closed
Programme:
Standard Grant

This grant award has a total value of £125,342  

▲ top of page


FDAB - Financial Details (Award breakdown by headings)

Total - T&STotal - StaffTotal - Indirect CostsTotal - Equipment
£4,705£78,518£36,119£6,000

If you need further help, please read the user guide.