A Big Island tourism official says summer bookings are down 50 percent, thanks to fears over the eruption.
Joshua Holt said Saturday afternoon "thank you for the support, your prayers, and for never giving up and leaving us behind."
"We will remember him fondly as the great explorer who reached out to embrace the universe," NASA Administrator Jim Bridenstine said.
Ireland's Prime Minister described the result as the culmination of a "quiet revolution" in what was once one of Europe's most socially conservative countries.
The two leaders met at the demilitarized zone on the Korean border.