Seismological Grand Challenges

Images from the Seismological Grand Challenges in Understanding Earth's Dynamic Systems. From the Long Range Science Plan for Seismology Workshop in Denver, Colorado, September 18-19, 2008.

Photos

Schematic view of the Earth monitoring environment
Nankai trench off the Izu Peninsula, Japan
Slices from a 3D image of Okmok Volcano, Alaska
Topography of an exposed fault surface measured in Klamath Falls, Oregon
San Gabriel River Shallow Vs Transect
Seismic cross section of a subsurface clay-bounded channel
Comparison of seasonal variations in the distribution of long period “hum” sources
Infrasonic sources monitored across Europe using regional infrasound records for 2000–2007
Augustine volcano in the Aleutians, March 27, 2006
Tomographic image of the ratio between P velocity and S velocity in a subduction zone beneath Nicaragua
Seismic velocity discontinuities beneath the Sierra Nevada
Example of seismically imaged ancient continental lithospheric sutures
Seismic velocity contrasts possibly associated with the lithosphere-asthenosphere boundary under New England
Comparison of the idealized rigid plate boundaries
Students in the SCEC undergraduate internship programs visiting SAFOD site at Parkfield
Tomographic velocity models of the upper 1000 km of the Earth
Interpreted cross section from the Mantle Electromagnetic and Tomography (MELT ) experiment
Global 3D configuration of seismic velocity heterogeneities in the mantle as imaged by seismic tomography
Cross section through the mantle
Surface topography and bathymetry around South America
Cross sections in a 3D seismic migration image of S-wave reflectivity
Migrated S-wave reflector images of the core-mantle boundary
International Federation of Digital Seismograph Networks, 2008
The cumulative volume of seismic data archived at the IRIS Data Management Center, 2008
A map showing variation of Rayleigh wave group
The 2001 Kokoxili (Mw 7.8) earthquake
Properties of a recent 3D S-wave velocity
Seismicity
Earthquake Rapid Warning Systems
Ambient Noise and Fault Zone Healing
Episodic Tremor and Slip (ETS)
Building devastation from the 2008 Wenchuan earthquake in China 1
Building devastation from the 2008 Wenchuan earthquake in China 2
Building devastation from the 2008 Wenchuan earthquake in China 3
Building devastation from the 2008 Wenchuan earthquake in China 4
Physics-based Prediction of Ground Motions Using Realistic Fault Rupture Models and 3D Geological Structures
Underground Nuclear Explosion Monitoring and Discrimination
Gas Hydrates as an Energy Resource, Environmental Hazard, and a Factor in Global Climate Change 1
Gas Hydrates as an Energy Resource, Environmental Hazard, and a Factor in Global Climate Change 2
Remote Earthquake Triggering by the Denali Earthquake
Seismology and Probabilistic Hazard for Waste Repository Siting
Cryoseismology
Seismic Imaging of Ocean Structure
Exploration Seismology and Resources: Energy and Mining
Seismology Workforce Issues 1
Seismology Workforce Issues 2
Four-Dimensional Imaging of Carbon Sequestration
Four-Dimensional Monitoring of Volcanoes Using Ambient Seismic Noise
Intraplate Earthquakes
Plate Boundary Field Laboratories
Deep Earthquakes
Three-dimensional distribution of anisotropic fabric within the outer part of the inner core.
Core-Mantle Boundary Heat Flow
Plate boundary deformations, involving surface velocities, shear strains, and mean strains
Rupture zones of the 26 December 2004 (seismic moment magnitude Mw = 9.2) and 28 March 2005 (Mw = 8.7) great Sumatra earthquakes.
Buzz Aldrin deploying a seismometer on the Moon during the Apollo 11 mission

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