Scientists have found that massive volcanic eruptions from the Pacific Ring of Fire significantly influenced past climates, correlating with major glacial advances and cold spells. Over eighty percent of glacial advances occurred near significant eruptions.

A magnitude 6.2 earthquake struck off the southern Philippines near Mindanao. The quake was recorded at a depth of 42.2 miles in the Pacific Ring of Fire.

A magnitude 7.7 earthquake in Japan has raised concerns in Bali, Indonesia, about the potential for a magnitude 9 'megathrust' quake, as both regions are on the Pacific Ring of Fire.