August 11, 2009August 11, 2009

Using the Data of the EarthScope in Education

Susan Eriksson, UNAVCO Director of Education and Outreach

Approach for todayApproach for today

• PurposePurpose• What types of data for EarthScope componentsWhat types of data for EarthScope components• What will What will youyou use it for? use it for?• Resources for dataResources for data• Resources for educational frameworkResources for educational framework• Plan for after the workshopPlan for after the workshop

Why EarthScope?Why EarthScope?

Scientific discoveries - the ‘content’Scientific discoveries - the ‘content’ things we knowthings we know things we don’t knowthings we don’t know How we go about ‘finding out’How we go about ‘finding out’

Skills of science -?Skills of science -? Exploration - inquiryExploration - inquiry

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Drillhole across San Andreas Fault875 GPS Instruments175 Borehole Strainmeters5 Long-Baseline Laser Strainmeters400 Seismometers at 2,000 sites100 Permanent Seismometers

SAFODSAFOD

A borehole laboratory on the San Andreas fault studying the physics of earthquake nucleation at the depths where earthquakes begin

Using Data in the Classroom

US Transportable US Transportable ArrayArray

• Includes 400 Transportable Seismometers• Station occupies a site for 1½ - 2 years• 10 years to leap-frog array across the US

1.1.7 Special Events1.1.7 Special Events

• 2008 Wells, Nevada 2008 Wells, Nevada EarthquakeEarthquake• Web fact sheetWeb fact sheet• Teachable moment Powerpoint for Teachable moment Powerpoint for

faculty usefaculty use• Ground motion visualization:Ground motion visualization:

Blue down Blue down Red up Red up

Charles Ammon, Penn State

Special Events

Community ProductsCommunity Products

• TA visualization TA visualization from Chuck Ammonfrom Chuck Ammon

• UsesUses• WorkshopsWorkshops• PresentationsPresentations• WebWeb•Automatically Automatically generated generated version available version available from IRIS DMCfrom IRIS DMC

• PlansPlans• Matlab versionMatlab version• Special events Special events

version for public and version for public and mediamedia

Community Products

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PBOPBO

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Plate MotionPlate Motion

Using Data in the Classroom

Cascadia

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Transient motion associated with Transient motion associated with faultsfaults

Parkfield Earthquake

Episodic Tremor and Slip

We can see what’s on the surface.

Cascadia Subduction Zone

How does the surface change as a response

to subduction?

How does EarthScope help us appreciate earthquakes, tsunamis,

and volcanic eruptions?

Cascadia Interpretive Workshop

Using Data in the Classroom

AnimationsAnimations

•Developing series to explain EarthScope-related concepts•Episodic tremor and slip

Animations

AnimationsAnimationsAnimations

• Developing series to explain EarthScope-related concepts– Episodic tremor and slip

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ETS Progression over ETS Progression over daysdays

http://www.pnsn.org/WEBICORDER/DEEPTREM/fall2006.htmlhttp://www.pnsn.org/WEBICORDER/DEEPTREM/fall2006.html Trem_movie_2008eq_time.mov

Using Data in the Classroom

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Propagation of Sumatra Propagation of Sumatra EarthquakeEarthquake

http://www.seismology.http://www.seismology.harvardharvard..edu/~ishii/sumatra/indexedu/~ishii/sumatra/index.html.html Ishii 2005 Ishii 2005

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Volcanic DeformationVolcanic Deformation

VolcanicVolcanicSignalsSignals

Sierra Negra, Sierra Negra, GalapagosGalapagos

Time

Dennis Geist, U. Idaho

GalapagosGalapagos

InSAR and GPS VectorsShowing trapdoor faulting event

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Fig. 2. (A) Temporal variation of vertical ground motions of labeled Yellowstone GPS stations

W.-L. Chang et al., Science 318, 952 -956 (2007)

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Yellowstone Ground MotionsYellowstone Ground Motions