Fact of the day
The fastest wave arrives first
P-waves travel faster than S-waves, so seismic stations record them first. From the time difference, scientists work out the distance to the source.
Source: United States Geological Survey
ShelterShelterFact of the day
P-waves travel faster than S-waves, so seismic stations record them first. From the time difference, scientists work out the distance to the source.
Source: United States Geological Survey