To estimate the location of the initial release of earthquake energy, use the pattern you drew. The cities closest to this location can be determined by examining the pattern and considering the direction of the waves.
When examining earthquake waves, the seismic waves spread outward in a circular or spherical pattern from the point of origin, known as the epicenter.
By analyzing the pattern of seismic waves on seismographs from different locations, scientists can triangulate to locate the epicenter.
To estimate the initial release point or epicenter, scientists look for the point on the seismic wave pattern where the waves seem to originate or radiate outward.
This is often identified as the center point of the concentric circles or the location where the waves start to diverge.
Cities closest to this location on the seismic pattern will likely be directly above or near the epicenter.
Analyzing the direction of wave propagation helps determine which cities are closest to the initial release point.
Those situated in the direction where the waves appear to originate from or where the waves travel most directly towards are likely closer to the epicenter.
This process of analyzing wave patterns assists in pinpointing the earthquake's epicenter, aiding in emergency response efforts, understanding the earthquake's magnitude and impact, and assessing potential risks for affected regions.