This strengthened its gravitational pull, said the study, which was written by Hazel Rymer and Geoff Brown.
Geoff Brown was killed when the 14,000 ft Mt Galeras erupted showering boiling ash and rocks from its crater.
Geoff Brown wrote in The Times:
Geoff Brown was peeved about the exposure of St Johnstone's interest in Paul Cook on the social networking sites.
He is best remembered as the last Frenchman to win the Wimbledon championships men's singles title in 1946, beating Geoff Brown in five sets in the final.
Geoff Brown has this report.
Geoff Brown reports.
Geoff Brown and Tony Aldgate (1989).
Geoff Brown (Washington) of Newport got the win, his second of the playoffs, while Dustin Ramey took the loss for Sanford.
Alex Kaminsky suffered the loss, while Newport's Geoff Brown was credited with a save.