“In the case of a football game, the source of the seismic waves are vibrations from activity associated with the game, such as the crowds of fans and the football players in the stadium, as they move ...
LUCENA CITY, QUEZON, Philippines — The Philippine Institute of Volcanology and Seismology (Phivolcs) on Monday reported an increase in seismic activity at Taal Volcano in Batangas province.