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(The epicenter is the location on the surface of the Earth above the earthquake focus and is identified by latitude and longitude. #Download Alan L. Jones Seismic Eruption Program trial#Once a close epicenter is found, the depth of focus of the earthquake can be estimated by changing the trial depth and selecting additional trial epicenters. The user is guided in the selection of trial epicenters by graphical information generated by EqLocate from the previous trial location. Alan Jones of the State University of New York. Seismic-Eruption is a lightweight application intended for users who want to analyze and. L Braile,, revised, 9/18/09 Earthquake Catalog/Station Log. Download ppt 'Science for Planet Earth April 2010 A Decade of Earthquake. ~20 s period surface waves – M8.1 Samoa Islands earthquake, September 29, 2009. #Download Alan L. Jones Seismic Eruption Program software#The AmaSeis software to operate the AS-1 was written by Alan Jones. ![]() Massive eruption that throws fire and debris everywhere. Seismic Eruption, Free Download by Alan L. In EqLocate, a limited number of seismograms (3 to 10) and corresponding arrival times are used, and the solution is found by the user selecting trial locations on a map until an optimum location is found. In the standard method, tens to hundreds of arrival times (each from an individual seismogram corresponding to a seismograph station) are used by a computer program to automatically find an optimum solution (location and origin time of the earthquake determined such that the observed arrival times match the theoretical arrival times based on a well-known seismic velocity model for the Earth). The program uses a method that is similar to the approach that is used by seismologists to routinely determine the location of earthquakes from around the world. Braile Purdue University July 2002 About EqLocate: EqLocate is an interactive earthquake location program that uses actual seismograms and user-selected P-wave arrival times to locate the earthquake. ![]()
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