Fact of the day
Beyond 103° the S-waves disappear
On the far side of the Earth there is a seismic “shadow”: S-waves are not observed at angular distances beyond about 103° from the source. This is due to the liquid outer core.
Fact of the day
On the far side of the Earth there is a seismic “shadow”: S-waves are not observed at angular distances beyond about 103° from the source. This is due to the liquid outer core.