Spectrogram

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Tectonic: Portland 08/19/2014 11:10(UTC)

Portland_20140819-1110
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Map boundaries

 The red polygon is the reporting region for  this map; the black polygon is the authoritative region of the PNSN. Events inside the authoritative network are rendered as cirlces; events outside the authoritative region but inside the reporting region are rendered as squares. Explosions are always rendered as stars.  More

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Cross Section

 Create a custom cross-section or depth-time plot. Click on "Custom Plot" to start.