Data was used from three different stations. Where their data overlapped was where the epicenter was located.
it is called triangulation
Sure I can be your friend do you play video games
During a total lunar eclipse, the Moon located in the umbra.
The answer is letter A. For a total lunar eclipse to occur, the Sun, Earth and
Moon must be aligned in a straight line. The Earth’s umbra complete covers the
Moon. The earth’s umbra is about 870,000 miles wide.