The Department of Earth Science's EQ-1 Seismograph



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The Department of Earth Science at Rice University maintains an EQ-1 Seismograph System, which is designed to detect the vertical components of seismic waves generated by earthquakes and other events. The EQ-1 instrument is located on an isolated pad in the seismology lab in order to reduce background noise. The EQ-1 can detect magnitude 3.5 earthquakes at a distance of 150 km and larger events anywhere in the world.




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The EQ-1 Seismograph System recorded the magnitude 7.0 earthquake that struck Java, Indonesia, on September 2, 2009.
It took 19 minutes for the P-wave to travel from Indonesia to Houston.
For more information on recent earthquakes, please visit the USGS site at [You must be registered and logged in to see this link.]


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