(ANSA) - ROME, SEPTEMBER 27 - The seismological measurement stations in both Sweden and Denmark on Monday recorded strong underwater explosions in the same area as the gas leaks.
This was reported by the Swedish national broadcasterSvt.
"There is no question that these are explosions," said Björn Lund, professor of seismology at the Swedish National Seismic Network.
The first explosion was recorded at 02.03 on Monday night and the second at 19.04 on Monday evening.
The warnings on gas leaks arrived ;; from the maritime administration respectively at 13.52 and 20.41 on Monday.