Sentences with phrase «sites near the epicenter»

A team of researchers at the University of Tokyo and their collaborators found that when stress exerted on Earth's crust was high, the levels of a helium isotope, helium - 4, released in the groundwater was also high at sites near the epicenter of the 2016 Kumamoto earthquake, a magnitude 7.3 quake in southwestern Japan, which caused 50 fatalities and serious damage.