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The Plate Boundary Observatory (PBO), part of the EarthScope Program that is funded by the National Science Foundation, studies the three-dimensional strain field resulting from active plate boundary deformation across the Western United States.

From a science perspective the PBO component of EarthScope is a geodetic observatory designed to study the three-dimensional strain field resulting from deformation across the active boundary zone between the Pacific and North American plates in the western United States. The observatory consists of arrays of Global Positioning System (GPS) receivers and Strainmeters which will be used to deduce the strain field on timescales of days to decades and geologic and paleoseismic investigations to examine the strain field over longer time scales.

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Graphic: PBO At Work Education and Outreach Education and Outreach Data Access Strainmeter Operations GPS Operations

Photo:A magnitude 8.8 earthquake occurred on February 27th, 2010 at 3:34 AM local time (06:36 UTC) off the coast of the Maule region of central Chile (Figure 1).
PBO Responds to Magnitude 8.8 Chile Earthquake
May 16, 2010
Photo:Figure 1a.  Airborne LiDAR imagery of Panamint Valley fault as viewed in newly released Google Earth KML file.  Resolution: 1 meter.  Illumination angle: 315 degrees.  Orange lines show fault locations from USGS Quaternary fault database.
New EarthScope Airborne LiDAR Data Products from California and Washington State Released in January 2010.
May 04, 2010
Photo:The above plot is a typical areal strain report (produced on Feb, 7th 2010) reported to YVO. Strain data earth tides were removed and the data detrended for the period observed. Barometric pressure was not removed but plotted against it to illustrate that this was the dominant signal during the swarm.
Yellowstone Earthquake Swarm Observed by PBO Strain and Seismic Network, January 17, 2010
Mar 05, 2010
Photo:January 10, 2010 Gorda Earthquake Recorded in PBO GPS 15-second Time Series
Gorda Earthquake Recorded in PBO GPS 15-second Time Series, January 10, 2010
Feb 26, 2010

Photo: P775 -  PURDUE_U__IN2010

4Char: P775
Region: East
Date: Aug 18, 2010
Photo: P797 -  Sagebrush_CA2010

4Char: P797
Region: SW
Date: Aug 12, 2010
Photo: AC79 -  Montague2_AK2010

4Char: AC79
Region: AK
Date: Jul 28, 2010
Photo: B946 -  sagebf946bcs2010

4Char: B946
Region: Anza
Date: Jul 22, 2010
Photo: AC80 -  YentnaRvr2AK2010

4Char: AC80
Region: AK
Date: Jul 21, 2010

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Plotting/Data Access Resources
  » BSM Data
  » SQUID
  » GPS Data (Single Chart)
  » GPS Data (Multi Chart)

Mapping Resources
  » PBO Network Maps
  » Network Progress (Static)
  » Network Status (KMZ)
  » Velocity Field (KMZ)
  » Other Google Earth Resources
  » GPS Station Coordinates (TXT)
  » BSM Station Coordinates (TXT)

Other resources
  » Network QC Statistics

Station Homepages

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Page Last Modified: Friday, March 12, 2010 13:40:11 MST