'Origin time' presentation slideshows

ShakeAlert Testing Procedure Discussion Philip Maechling 26 March 2010

ShakeAlert Testing Procedure Discussion Philip Maechling 26 March 2010. ShakeAlert Testing. SCEC has the opportunity to define a testing approach for the CISN ShakeAlert System. Testing approach should be consistent with USGS interests in the ShakeAlert System.

1.23k views • 110 slides

630 views • 62 slides

FUNDAMENTALS of ENGINEERING SEISMOLOGY

FUNDAMENTALS of ENGINEERING SEISMOLOGY. LOCATING EARTHQUAKES. The release of the accumulated elastic strain energy by the sudden rupture of the fault is the cause of the earthquake shaking. Ground Motion Deconvolution. (Steidl). Earthquakes are not located randomly around the Earth.

665 views • 47 slides

GG 450 April 3, 2008

GG 450 April 3, 2008. Refraction, Diffraction, Energy, Sources, and Sensors. Critical Angle: Recall: (Snell's law)

698 views • 46 slides

The Rupture Process of the August 23, 2011 Virginia Earthquake

The Rupture Process of the August 23, 2011 Virginia Earthquake . Martin Chapman Virginia Tech. Circles show mainshock and early (August 24-26) aftershock epicenters from a 7 station temporary deployment of instruments by VPI &SU. The beachball diagram indicates the

595 views • 42 slides

Aim: How can we locate the epicenter of an Earthquake?

Aim: How can we locate the epicenter of an Earthquake?. Although a seismogram tells scientists the distance between the seismograph station and the earthquake epicenter; it does not actually give scientists enough information on how to locate the epicenter.

575 views • 16 slides

Instructions for Locating an Earthquake Epicenter

Instructions for Locating an Earthquake Epicenter. Earthquake Waves. By determining the time of arrival for both the P and S waves at a location we can determine how far away the Earthquakes epicenter is from the seismograph. This does NOT tell us what direction the waves are coming from.

813 views • 16 slides

QuakeML An XML schema for seismology

224 views • 11 slides